Sunday, July 15, 2012

History of the keyboard, keyboard functions, and the meaning of the symbols on the keyboard

keyboard functions
The keyboard is an input device that is used for typing information into the computer, and run a variety of instructions or commands into the computer. Creation of a computer keyboard is inspired by the creation of a classic manual typewriter, the basic design is created by Christopher Latham, in 1868, and heavily marketed in 1877, by the Remington Company. When you hear the word keyboard, then our minds can not be separated from the presence of a computer, because the keyboard is a board consisting of the keys, to type sentences and other special symbols on the computer.

The keyboard used to type text and numbers into a word processor, text editor or other program on the computer. The keyboard is also used to play computer games, either with regular keyboards or by using a keyboard with special gaming features, which can expedite frequently used keystroke combinations. The keyboard is also used to give commands to the computer operating system, such as the key combination Control-Alt-Delete in Windows operating system, to display the Task Manager window.

The first computer keyboard adapted from the pit card (punch card), and distance delivery technology writing (Teletype). In 1946, ENIAC computer using a card reader manufacturer's hole (punched card reader) as a means of input and output.

History of the keyboardHistory of computer keyboard is closely associated with the history of classic typewriters, first discovered by Christopher Latham Sholes (1868). When creating a classic typewriter, people can type faster. Too quickly, the possibility of typing, so often have problems in that time. Often when the button is pressed, the trunks of letters (slug) is stomping on the ink ribbon having a mechanical failure, which is more often caused because the rods each hook (jamming). Confused thinking about the solution at the time, Christopher Latham Sholes would mess up the sequence of letters on the classic typewriter, be such, until it was a combination of letters that are considered the most difficult to use in typing. The goal, to avoid mechanical errors that often occur earlier. Finally, the composition of the typewriter keyboard is revealed in the modern as a computer input, and in 1973 opened as a standard keyboard ISO (International Standards Organization).

There are several standard keyboard layout used today. ASK (American Simplified Keyboard), commonly called Dvorak, who was discovered by Dr. August Dvorak around 1940. Dvorak arrangement allows us to type more efficiently. But perhaps because of late, finally Dvorak should not compete with the QWERTY keyboard, which was first used in the market.

Data port is the communication bridge between the computer keyboard. Currently, the PS2 keyboard port adopted, at the same time, some products use a USB port. Keyboard functions are related, according to different methods of data communication, the keyboard is classified into the keyboard with the cable, and wireless keyboard. Most keyboards are connected to the computer via a data cable connected to a PS2 port or USB port. Keyboard to communicate wirelessly with a computer via infrared or other radio waves.

On the keyboard, there are buttons the letters A-Z, a-z, digits 0-9, and the special characters such as: `~ @ # $% ^ & * () _ - + = <> /,. ? :; "'\ |, And other special keys that the total number is 104. Meanwhile, the classic typewriter, the number of buttons there are 52 buttons. Keyboard generally rectangular shape, but the current model, the keyboard is very varied. The most famous keyboard is a QWERTY keyboard, which has 101 keys. Most keyboards have a button that has been compiled is specified, namely, Alphanumeric Key, Numeric Key, Function Key, Modifier Key, Cursor Movement Key.

Function keys on the Keyboard
F1 = widely used to help
F2 = rename, change volume
F3 = searching
F5 = refresh, slide show on powerpoint
F6 = addressing
F12 = save as
Prt Scr SysRq = print screen (to shoot at each display monitor)
Scroll Lock = locks the functionality of a mouse scroll glidder
Pause Break = change the computer into stand-by condition
Tab = skip some characters
Caps Lock = convert letters to uppercase
Shift = change character and turn on the function symbols in
certain conditions
Num Lock = activate the numeric keypad on the right in
Home = restore cursor position at the beginning of a sentence
End = melrtakkan cursor at the position at the end of the sentence
Page Up / Pg Up = raise the screen per paragraph
Page Down / Pg Dn = lower screen per paragraph
Del = delete a character from the front
insert / ins = to replace a character
Backspace = mengahapus per character from behind
Space = jump one character
arrows keys = navigation keys
Escape = cancel an order phase
[Windows symbol] = enable the start menu

Moreover, in using Microsoft Office applications (especially MS. Word) there are some keyboard keys, has the function when combined with other buttons, like the example below:

Ctrl+ A Select all
Ctrl+ B Bold
Ctrl+ C Copy
Ctrl+ D Font
Ctrl+ E Center alignment
Ctrl+ F Find
Ctrl+ G Go to
Ctrl+ H Replace
Ctrl+ I Italic
Ctrl+ J Justify alignment
Ctrl+ K Insert hyperlink
Ctrl+ L Left alignment
Ctrl+ M Hanging indent
Ctrl+ N New
Ctrl+ O Open
Ctrl+ P Print
Ctrl+ Q Normal style
Ctrl+ R Right alignment
Ctrl+ S Save / save as
Ctrl+ T Left indent
Ctrl+ U underline
Ctrl+ V paste
Ctrl+ W Close
Ctrl+ X Cut
Ctrl+ Y Redo
Ctrl+ Z Undo
Ctrl+ 1 Single spacing
Ctrl+ 2 Double spacing
Ctrl+ 5 1,5 spacing
Ctrl+ Esc Start menu
Alt + F4 or ShutDown close the current program
Shift + F10 right-click Alternative
[Emblem Windows] + M to minimize all programs
[Emblem Windows] + Shift + M to maximize all of the programs
[Emblem Windows] + E to open Windows Explorer
Ctrl + Alt + Del to restart
Alt + (each letter in the system which underlined character) to the command that is on the menu.

The following table shows the symbol characters, names and Latin-1 number on a standard keyboard in their approximate positions on the keyboard. Most of the Roman character based languages ​​can be made on any computer using the American Standard Code for Information Interchange, or ASCII using a single byte. Most computers and standard software also recognized American National Standards Institute (ANSI) format as well.

Character Description
Horizontal tab
Line feed
! Exclamation mark
" Quotation mark
# Number sign
$ Dollar sign
% Percent sign
& Ampersand
' Apostrophe
( Left parenthesis
) Right parenthesis
* Asterisk
+ Plus sign
, Comma
- Hyphen
. Period (dot)
/ Solidus (slash)
0 - 9 Digit 0 - 9
: Colon
; Semicolon
Less than
= Equals sign
Greater than
? Question mark
@ Commercial at
A - Z Capital A -Z
[ Left square bracket
\ Reverse solidus (backslash)
] Right square bracket
^ Caret
_ Horizontal bar (underscore)
` Acute accent
a - z Small a - z
{ Left curly brace
| Vertical bar
} Right curly brace
~ Tilde
Non-breaking Space
¡ Inverted exclamation
¢ Cent sign
£ Pound sterling
¤ General currency sign
¥ Yen sign
¦ Broken vertical bar
§ Section sign
¨ Diæresis / Umlaut
© Copyright
ª Feminine ordinal
« Left angle quote, guillemot left
¬ Not sign
Soft hyphen
® Registered trademark
¯ Macron accent
° Degree sign
± Plus or minus
² Superscript two
³ Superscript three
´ Acute accent
µ Micro sign
Paragraph sign
· Middle dot
¸ Cedilla
¹ Superscript one
º Masculine ordinal
» Right angle quote, guillemot right
¼ Fraction one-fourth
½ Fraction one-half
¾ Fraction three-fourths
¿ Inverted question mark
À Capital A, grave accent
Á Capital A, acute accent
 Capital A, circumflex
à Capital A, tilde
Ä Capital A, diæresis / umlaut
Å Capital A, ring
Æ Capital AE ligature
Ç Capital C, cedilla
È Capital E, grave accent
É Capital E, acute accent
Ê Capital E, circumflex
Ë Capital E, diæresis / umlaut
Ì Capital I, grave accent
Í Capital I, acute accent
Î Capital I, circumflex
Ï Capital I, diæresis / umlaut
Ð Capital Eth, Icelandic
Ñ Capital N, tilde
Ò Capital O, grave accent
Ó Capital O, acute accent
Ô Capital O, circumflex
Õ Capital O, tilde
Ö Capital O, diæresis / umlaut
× Multiply sign
Ø Capital O, slash
Ù Capital U, grave accent
Ú Capital U, acute accent
Û Capital U, circumflex
Ü Capital U, diæresis / umlaut
Ý Capital Y, acute accent
Þ Capital Thorn, Icelandic
ß Small sharp s, German sz
à Small a, grave accent
á Small a, acute accent
â Small a, circumflex
ã Small a, tilde
ä Small a, diæresis / umlaut
å Small a, ring
æ Small ae ligature
ç Small c, cedilla
è Small e, grave accent
é Small e, acute accent
ê Small e, circumflex
ë Small e, diæresis / umlaut
ì Small i, grave accent
í Small i, acute accent
î Small i, circumflex
ï Small i, diæresis / umlaut
ð Small eth, Icelandic
ñ Small n, tilde
ò Small o, grave accent
ó Small o, acute accent
ô Small o, circumflex
õ Small o, tilde
ö Small o, diæresis / umlaut
÷ Division sign
ø Small o, slash
ù Small u, grave accent
ú Small u, acute accent
û Small u, circumflex
ü Small u, diæresis / umlaut
ý Small y, acute accent
þ Small thorn, Icelandic
ÿ Small y, diæresis / umlaut

Thursday, July 12, 2012

ASUS Motherboard reliability is assured

ASUS motherboard
ASUS Motherboard is the motherboard that has a big name. ASUS since it first appeared on the market by producing motherboards, ASUS motherboard are committed to creating the highest quality. By computer gamers, artificial Motherboard ASUS, a recommendation for use. Advantage given the resilience and good performance. Stability is the most visible of this motherboard. Many years into the motherboard manufacturers ASUS, but have not had a bad image to the present. In fact, this motherboard manufacturers continue to make inofasi, to the satisfaction of customers.

There are several motherboard manufacturers go bankrupt due to competition. But ASUS is able to survive until today. Even more attractive to gamers. Which makes the motherboard is still consumer demand, quality and reliability. Not infrequently assembled computers that use other brands were damaged. But the majority of computers that use ASUS motherboards still continues to survive in the latest emerging technologies. So worn by itself without damage.

When used, ASUS motherboards rarely have problems. Especially when used to play games. Ability is very satisfying. Durability can be reliable, even to play games all day, ASUS motherboard is able to survive.

In terms of price, the ASUS motherboard is not cheap. But that is commensurate with the quality provided. Many people choose a cheap price, but does not consider the quality, whether ensures reliability and durability.

Wednesday, July 11, 2012

Assessing the laptop based on the brand

Various brands of laptops on the market. Brands, new brands popping up. Each competing brands provide their own advantage. We as users become confused consumers choose from many brands available. According to one brand A is better than brand B. But it's not a guarantee. Because each manufacturer to favor Sanya on one side only. There is a favor low prices, others favor an attractive and elegant design, quality, display, features, and durability. There is also offering it.

Basically, all the same laptop. That's because the specifications of the laptop, use the same processor, Intel or AMD, memory, hard drive / SSD, has a keyboard, and operating systems. What distinguishes only the features, specifications, purpose of use. Nevertheless, we still have to selectively choose a laptop with a good brand.

I will convey the advantages of famous brand laptops, based on my own judgment.

Sony Vaio
Most of the Sony Vaio laptop has the Operating System directly on the laptop package. That is, the average of the laptop is now a Genuine Windows. In addition, the laptop features a gorgeous design, high performance, and complete specifications. Just like Apple, Sony Vaio quite expensive. And has good durability.

Apple Macintosh
This laptop uses the Macintosh operating system. The advantages of this laptop is a high specification and elegant models. But this laptop is very difficult to be found in small towns. In addition, the price offered is also quite high. Operating systems that use this laptop has a way of working is complicated for novice users.

Toshiba is a good laptop that is economical. For those of you who want to have a good laptop that is economical, Toshiba can not answer. Why Toshiba seem cheap? Most of the Toshiba is not accompanied by the Operating System. So you have to buy the operating system separately. Is the average laptop has a classic design, the box-shaped.

Hewlett-Packard, Compaq
The advantages of HP Laptop (usually the kind of pavilion), is a model and an elegant design. In addition, the sensor light multimedia use. The key is the volume, adjust the screen brightness, and others. Most laptops are made of metal. Average performance is not too special. But, still in a state standard. HP Pavilion is a laptop with cool design. Performance offered by the average is very special. The classical model is not suitable for the style.

This laptop is the most durable among all. This laptop could last up to 6 years (the life of a well groomed). In addition, the performance is also very special. The price is quite affordable. But rarely use the VGA card. The gamers do not choose this laptop. However, if it is not used to the style, this weakness will not be a problem for you.

Laptop gamers, who deserves the nickname carried by ASUS. Almost all ASUS laptops are equipped with a video card. In addition, almost all games recommend ASUS. But this laptop has slow performance. If it is used to open a similar weight program Corel and PhotoShop. It is not suitable for an office employee.

All of the above is based on my opinion of me. Do not mean to discredit a particular product. All depends on you.

Can install the cooling fan at the bottom of the notebook?

Can install the cooling fan at the bottom of the notebook?
Notebook is a portable computer, which is currently very popular with many people, beat the popularity of desktop computers. Prices are getting cheaper, more readily available, with increasingly sophisticated technology. However, conditions that often make notebook users cema, s is the temperature of the notebook. Sometimes the temperature of a notebook gets very hot during use. Moreover, a notebook with a high specification.

To overcome this, many notebook users to install a cooling fan under the laptop. These fans are sold in the market. Using the power of USB. This fan is like a small table, made ​​of plastic, decorated with colorful lights, and have a fan over a fan. But, is good for the notebook when using this type?

Actually, a good notebook and quality, thermal conditions are common. The heat must have been taken into account issued by the notebook maker.

In my opinion, the installation of the cooling fan at the bottom of the notebook is not a good thing. Therefore, it can be bad for the notebook. Because the flow of air from the fan rotation, lead dust into the notebook. Dust into the air circulation through the gap below the casing. Dust driven by the air flowing through the fan. The more frequent use of the cooling fan at the bottom of the notebook, the more dust that enters the computer components. So can result in decreased performance notebook.

Besides dust, the installation of a cooling fan that uses electric current from the USB, it can shorten battery life. Because the fan is drawing power from the notebook battery. Cooling may also interfere with the performance of the notebook. Because they interfere with the electrical system fan.

So use the notebook cooling fan is not recommended. Because it can interfere with the performance of the notebook. And age of the notebook will be reduced.

Black Element Cyclone has a unique fan

Technological development is increasingly rapid. But there are several complementary technologies, which is very difficult to be developed, because of constrained functions may not be changed anymore. Producers are looking for unique inofasi memikap consumers. As in the mouse. Some time ago, a manufacturer of mouse, Thermaltake, launching a mouse that comes with the cooling fan's hand. This fan face in place the mouse out of your fingers. Mouse was named Black Element Cyclone.

Black Element Cyclone is a mouse that is equipped with an external fan. Mouse is intended for computer game enthusiasts. Perhaps the purpose of mounting the fan to keep the temperature of the fingers, making the mouse the user feel comfortable all the time. With the unique design, this mouse is expected to attract interest in the game lovers. In addition, the presence of an external fan will increasingly make good gamers.

Playing computer games for too long, make sure hands are tired and hot. Especially if you play games all day. possible with these considerations, Thermaltake made Black Element Cyclone mouse equipped with a fan guard finger temperature.

This mouse is very unique look, there are a variety of color options, and may feel strange view, because it has a fan in front of him. Mouse is equipped with a 6500 dpi sensor. Mouse that is claimed to be the first mouse with an additional fan has a choice of five colors. Of red, blue, cyan, green and purple.

But in terms of convenience whether being reliable? And flexibility of use of the mouse can be guaranteed? Not necessarily, because computer users are familiar with a simple mouse, which has many in the market.

According to the maker mouse, the mouse has a fan size of 30 mm. This fan was not noisy, so it will not interfere with the activity of the game. With speeds of 6,000 rpm, this fan can relieve hot at hand.

But the user's mouse is still in luck, because the fan is mounted on the mouse can be removed. If users get annoyed with the fans, only with manarik fan toward the front, then the mouse is released.

It is not known how much the mouse is, as the manufacturer still has not raised the price of this unique mouse. We wait for further news.

Samsung Ultrathin 5 series 535U3C equipped with an AMD Trinity A6

Competition is more incentive to make the thinnest notebook. Many notebook manufacturers compete with each other, gidandeng by the processor manufacturer. Samsung is currently coupled with AMD's turn to make the thinnest notebook. Samsung Ultrathin 5 series, 535U3C, is the latest notebook from Samsung products. Samsung Ultrathin notebook using AMD A-Series APU second generation, or more commonly known by the name of the Trinity. Consumers are expected to be able to get a new notebook with an alternative different processors from Intel.

Notebook Samsung 535U3C, using an A6-4455M APU AMD Trinity has integrated graphics card AMD Radeon HD7500G. Samsung 535U3C available with screens measuring 13.3 inches and 14 inches, and data storage capacity of 500GB. For Samsung 535U3C with 14-inch screen, still get the optical drive. As for the 13.3-inch screen, is equipped with SSD storage.

Ultrathin Notebook, Samsung 535U3C, with a 13.3-inch screen, a thin dimension, and weighs 1.5kg. Capacity of four-cell battery, claimed to be able to survive for 6 hours, and have the charging cycle of up to 3 years. The screen is in use is quite interesting, considering that Samsung uses anti reflective screen, with 300nit superbright display, so it can be used outdoors without damaging the display image on the screen.

Samsung Ultrathin 5 series 535U3C, has three colors, Mocha brown, pink pop, and titan silver. For now just use a processor 4455M APU AMD A6 series, but soon Samsung will soon sell a used AMD A8. Samsung sells this notebook Ultrathin 5 series 535U3C starting price of U.S. $ 700, -.

Tuesday, July 10, 2012

Logitech K760 solar keyboard

Logitech K760 solar keyboard

Logitech K760, a wireless computer keyboard, which can be operated dengann solar power. The shape is small, with the same key as the keyboard in general. The difference, K760 is equipped with solar panels at the top.

K760 can be paired with the Mac, iPad, and iPhone. The design mimics Apple's wireless keyboard, with silver and white colored surface. The material is made of plastic material, lighter and practical time travel.

Very easy to use, just turn on the Bluetooth menu, then select one of three key options available devices. Mac, iPad, or iPhone, the keyboard is connected to the device.

Kingston Digital DataTraveler 101 Generation 2 - 16 GB Flash Drive DT101G2/16GBZET

With DataTraveler 101 G2, budget-conscious users get a combination of useful features, large capacity (up to 64GB) and an easy way to store, carry or transfer data between computers and other devices. With optional urDrive Software, you can take advantage of a convenient built-in Internet browser and AppZone for new apps to try. DataTraveler 101 G2 features a capless, swivel design and is customizable with your company's logo — a great way to promote your business. It's available in multiple colors, depending on the capacity.

This versatile USB Flash drive carries on the Kingston tradition of quality and reliability. It’s preloaded with urDrive software to give you active storage that allows you to easily access and organize your files, photos, videos, music and more. Most USB Flash drives offer passive storage, which simply allows users to store and retrieve their data. urDrive’s engaged, active storage means you can make this Flash drive as unique as you are. Customize it with your favorite photo and then organize all your data just the way you want it.

urDrive also features a Photo Viewer and music player, as well as a Web browser that lets you browse the Internet on any public or private PC while taking your favorites and bookmarks with you — and leaving no trace behind on shared computers.

For kids, urDrive features Fooz Kids, which offers the freedom to discover the Internet in a secure, entertaining environment.

urDrive helps you navigate your digital world and lets anyone on the go take their personal music library and other data with them, wherever life takes them.

Plus, urDrive provides access to casual, social and multiplayer games to play as well as fun apps. It even comes with a bonus online storage account that lets you securely backup, share and access your files from anywhere.

Youth killed while playing video games

A student in Singapore died while playing a computer game. He plays computer games all night without sleep a day. The 25-year-old student, named Xu Kaixiang, lecture at the National University of Singapore. He died at the computer she used to play computer games. When found dead, his computer was still turned on.

Xu's father said his son play a computer game to spend a holiday. He has often played computer games all night without stopping. When the father and his mother woke up at 6:45 in the morning, they found her son lying on the floor, with the computer still on. Xu Kaixiang body lay still. Although paramedics quickly arrived, life has not helped. No mention of what video games are being played.

Xu's father claimed his son did not even like to leave the house and likes to play the game, he was in good health. Rarely complain of pain. Therefore, the death of her son made ​​her sad and shocked.

Since young, Xu Kaixiang already high achievers and just play the game when it was done to study or holiday. The death of a young boy suddenly this kind is rare. Chances are, the victim had a heart defect that was not detected.

Events gamer dies when playing games happened a few times. In Taiwan, ever gamer was found dead in a cafe booth.

Tips on buying the right laptop

Tips on buying the right laptop
Tips on choosing a laptop is very important you know. To avoid wrong in buying a laptop. Buying a laptop according to exact requirements. If false, then the laptop you buy will not make you feel happy when using it. Buying a laptop, would not only look from the brand alone. Some people said the laptop brands have a good quality of the laptop is not well-known brand. Actually, the brand does not guarantee the quality of the laptop would be very nice. Depending on its use. If the laptop's specifications intended to type, but forced to playing a game, the laptop must be broken. There is a low end laptop class, middle class, and high end. Of course for high end laptops in the classroom will have a high spec and very expensive.

In buying a laptop, we must adapt to the needs and the amount of money they had. Would not be a problem for people who have a lot of money. Laptops can certainly buy whatever expensive. But it would be better if we buy a laptop as needed. If you need a laptop just to type, would not need a notebook with a high specification. In contrast, if you need a laptop to play games, or create a graphic design, specification of medium to high specification is required.

So, buy the best laptop is customized to the needs, and of course must have good quality, not just buy a laptop at a cheap price. Most importantly, the brand of laptop are we going, have a very good reputation in the market.

1. When buying a laptop for gaming or graphic design, choose a laptop with a high specification, and has a strong resistance guarantee. Choose a laptop with a suitable graphics card for image processing berkuakitas high, with large memory. Since both activities are classified as severe, if using a computer with lower specifications, it is feared the performance will be slow or may even damage the computer. Keep the minimum specs are 1 GB RAM, type DDR3, VGA 512 MB, 3.0 GHz dual core processor, minimum 500 GB HDD. If using the specifications of the suggestions below, your computer must be worked very slowly, if used for heavy game and graphic design.

But, if you want to use the laptop for 3D modeling. These specifications will not be enough. Required computer specifications even higher, with the latest technology.

2. If the intended use of the notebook for mobile (carried everywhere), then choose a smaller size, say 10 or 12 inch, lightweight, long battery life, availability of connectivity features wifi, bluetooth, network card, etc..

3. When the notebook needs to be used at home, then back to the purpose, whether for regular computing activities, and connected to the internet, or to play games and graphic design. If just typing and open a web browser, with low specification computers was enough.

4. Adjust the financial condition. How do you prepare a budget to buy a laptop? Try you get the best laptop price range within your budget.

5. Consider the after-sales service. Whether its service outlets within easy reach, spare parts easily obtained, or difficult to obtain. And also consider the return on sales price, just in case if in the future want to buy a laptop with a higher spec. Try not buying laptops that are difficult to reach its service outlets, or hard to find spare parts. And also avoid buying a laptop that the selling price falls, or even did not sell if you want to resell, except when to wear forever and not for resale.

6. Check the warranty, because every laptop manufacturer may provide a different warranty period. For example, the warranty for ASUS brand laptops is two years, while the Toshiba brand is just one year. The full information can you ask your computer store that you flown.

7. If you are considering the issue of brand, specifications, and after-sales service, the next step is a survey of prices. Because from one store to another, could have been the difference in price. Try and have a look around and ask prices from one store to another.

Tips on choosing a laptop so that I can point out to you.

Sunday, July 8, 2012

SATA technology advantages, compared to IDE

SATA technology advantages, compared to IDE
IDE (Integrated Drive Electronics) is a standard interface between a computer motherboard data bus with disk storage. IDE interface is made based on the IBM PC Industry Standard Architecture (ISA) 16-bit bus. Interface of the IDE is the interface to storage devices that can teringrasi to disk or CD-ROM drive. Although the IDE is a general technology, most people use the term IDE, to refer to the ATA specification. While the AHCI (Advanced Host Controller Interface), a hardware mechanism that allows software to communicate with SATA. AHCI has been supported by various operating systems like Windows Vista and Linux Kernel 2.6.19.

SATA technology advantages, compared to IDE.
- Connection / installation very easy, compared to IDE.
With IDE, we need to create a "jumper setting" must be right, and rules of master-slave prosedut be true, but, with SATA, you just connect it to follow the correct port.
- SATA suitable for large-capacity hard disk read.
- SATA uses less power, compared with the IDE. That's why ATA hard drive heat faster than SATA.
- Installation of SATA is more simple and neat. Given a more spacious room in the casing, so that the air flow inside the casing better.

Differences ATA cable and SATA cable

Differences ATA cable and SATA cable
ATA connector types, based on the standards in 1986, using 16-bit parallel, and continues to grow with the addition of transfer speed, and size of a disc. Last standard is ATA-7, was first introduced in 2001. Type ATA-7 has a data transfer 133 MB / sec. Later, during the year 2000, set the standard for parallel ATA, which has a data rate of 133 MB / sec, but there are many problems of parallel ATA. Then, the industry attempted to solve the problem that caused by the parallel ATA, and made ​​a new standard called Serial ATA (SATA).

1. ATA
ATA (Advanced Technology Attachment), using 16-bit parallel, is used to control computer equipment, and has been in use for 18 years as a standard. The difference between SATA and ATA is the most simple, data and power cables are different.

ATA standard, a two-inch ribbon cable with 40 pin data connections, and requires a 5V, for every pin, 4-pin connection. While SATA has a half-inch wide, 7 connector data connection, so it is thinner, and easier to manage kebel data. SATA data cable has a maximum length of 1 meter (39.37 inches), longer than the ATA, which is only 18 inches.

15-pin SATA power cable, with 250 mV, requiring more power, compared to 4 pin ATA, but in fact the same. SATA is the best ability is, the achievement of maximum bandwidth, which amounted to 150 MB / sec.

Other advantage of SATA is made ​​by the SATA hot-swap capability so that it can turn off and turn without shut down the computer system.

Conclusion, has the advantage of SATA over ATA than in the connector, power, and most importantly performance. ATA standard has now started on the left, choose the manufacturer of the SATA standard.

Lenovo ThinkPad X131e, AMD Brazos Based Notebook

Lenovo's latest netbook prepared using AMD APU (Accelerated Processing Unit) Brazos 2.0, namely Lenovo ThinkPad X131e, the successor of Lenovo ThinkPad X130. Lenovo ThinkPad X131e powered by the latest generation of AMD APU, a netbook is different.

LenovoThinkPad X131e processor is available in two options, namely AMD APU E1-1200 and E2-1800. E1-1200 dual-core processors with speeds up to 1.4 GHz which is reinforced by the graphic AMD Radeon HD 7310. While E2-1800 is equipped with a speed APUdual-core 1.7 GHz, which is reinforced by the higher graphics, AMD Radeon HD 7340. Both of these AMD processors using TDP (Thermal Design Power) 18W.

Lenovo will also release Lenovo ThinkPad X131e is powered by Intel Core ii ULV (Ultra-LowVoltage) which also have a graphical Intel HD 3000. Maximum RAM memory, 8GB DDR3, and the storage capacity of 320 or 500GB hard drive. Lenovo also provides storage using SSD (Solid State Drive) capacity of 128GB. Two USB3.0 port, HDMI port, Ethernet, VGA output, card reader and WiFi. With a 6 cell battery, the netbook is claimed to support up to 8.5 hours.

Estimated price Lenovo ThinkPad X131e netbook around $ 500.

Characteristic of RAM is damaged

Many things can lead to faulty RAM. Such as, PC frequent shocks, so the RAM is not properly connected to the motherboard. Shorted electrical current can also be damaged of RAM. Damage to other components on the motherboard, causing the affected RAM.

The characteristics of the RAM is damaged:
A. Sound when rebooting.
2. Sounds when replacing the slot.
3. On the fan saying "crick crick crick".
4. Computer often restarts itself.
5. If you turn on the computer, HDD LED remains on, but can not boot, then there is no sound other than the fan.
6. RAM is damaged, will be detected by the CPU with a resounding "beeeeeppp ... ', ERROR CODE.
7. RAM Damage to approximately 30%, will qualify tested hardware at boot time, but will error when used to perform installation or frequent blue screen.

Saturday, July 7, 2012

RAM capacity is right for your computer

RAM capacity is right for your computer
Depending on what you do with your computer. To run an operating system like Windows XP, you need 128 MB of RAM, then if you start an application for browsing, for example with IE, you need extra RAM, then to open your e-mail with the Express, will grow again, and the last Office applications to run 128 MB will increase again, not to mention the data is opened. That was just the application alone. So for those needs, you must provide a minimum of 256 MB memory.

Whereas if you're running a very heavy multimedia applications, this number will increase many times over. Therefore, caution in buying memory you need it later on your computer.

Not that you can add a maximum RAM capacity, adjust well to the conditions of the motherboard you have. Typically, a motherboard has a maximum capacity of the additional RAM.

Friday, July 6, 2012

AMD Launches AMD Radeon HD 7970 GHz

AMD Launches AMD Radeon HD 7970 GHz
AMD launches graphics processing unit (GPU) fast, AMD Radeon HD 7970 GHz Edition. AMD Radeon HD 7970 GHz using architecture Graphics Core Next  Edition (GCN) of AMD, to provide performance and stunning picture quality. GPU computation provides a breakthrough functionality through the App Acceleration AMD advanced technology, allowing users to enjoy a very fast game play and physics effects that realisis.

AMD Radeon HD 7970 Ghz Edition equipped with GDDR 5 memory, 3GB of ultra-fast power, AMD Eyefinity 2.0 technology, and has supported PCI Express 3.0, multi-GPU, with AMD Cross Fire technology.

AMD Radeon HD 7970 GHz Edition will be available as soon as possible, from partners and add-in board (AIB), including ASUS, Gigabyte, HIS, MSI, Sapphire, TUL and XFX with prices starting at USD $ 499.

Fixing Damaged RAM

Fixing Damaged RAM
Beep sound, the sound on the computer, when the RAM problem, usually a long beep three times, but depending on your PC. These things can be done to heal the RAM is not detected by the CPU, is to clean the RAM that can not be used by using a pencil eraser.
Use a pencil eraser, to clean up dust, which is attached to the foot of RAM (gold finger), so that electric current can run well. If you do not have a pencil eraser you can use a cloth, by rubbing the feet of RAM to clean, if necessary, use special cleaning oil, which can be purchased at computer stores, or by using thiner.

If the RAM is clean, installed RAM returned to memory slot, the motherboard. Try pressing the power button. If not well managed, have multitester. The aim is to stimulate the RAM, so get up again, by way of an electric discharge.
1. Ohm point scale, to 1K, 10K, 100K, etc., up to you.
2. Place the tip of the black cable (-) to one foot of RAM (gold finger), and the red wire (+) or rubbed on the legs IC chipset contained in RAM, usually numbered eight.
3. try to reconnect to the PC RAM.
If the computer still does not turn on, meaning the RAM should be replaced with new ones.

RAM capacity

What about capacity, does adding RAM can speed up the capacity of the computer work. The answer is, Yes. Of course. Think of it like this: if the front of the library space is getting larger, of course, a book that can come and go to more and more? So that a librarian does not always have to look for other books (which do not fit in the front) to the warehouse / rear, which of course will take much longer.

Same thing with the RAM, the larger the size of RAM used in computers, then the capacity of the tasks on the computer will be greater. So as to speed up tasks that dikejakan by the computer.

Function of RAM (Random Access Memory)

Function of RAM (Random Access Memory)
A computer needs a RAM for storing data, and instructions needed to complete a command (task). Data or instructions are available in RAM, allowing the processor or CPU (Central Processing Unit) to access it quickly. CPU when opening an application program from the hard drive, such as word processing, spreadsheet, or games, he will deliver to your memory. This allows applications to work more quickly, than to go directly to the hard drive is much slower. Because it served as a storage hard drive data, not as a memory. By accessing data or applications available on the RAM, speed up PC in completing its work.

Simple analogy to understand this, it's easier if you take on real events, in daily life. For example in the work environment. Where there is a desk and a filing cabinet. Filing cabinets can be assumed as a hard drive, available files and information needed. We began to work, the files information will be excluded from the closet to the desk. This is to facilitate and accelerate access to required information. Thus, the desk can be analogous to memory on the PC.

With a simple analogy is, of course you can already imagine the difference in speed of access, between memory and hard drive. Also is looming, the importance of the availability of the amount of RAM, which is sufficient to serve the data and information required by the CPU.

The various types of RAM on a PC

The various types of RAM on a PC
- DRAM (Dynamic RAM) is a type of RAM must be periodically refreshed by the CPU so that the data contained therein is not lost. Dynamic random-access memory (DRAM) is a type of random-access memory that stores each bit of data in a separate capacitor within an integrated circuit. The capacitor can be either charged or discharged; these two states are taken to represent the two values of a bit, conventionally called 0 and 1. Since capacitors leak charge, the information eventually fades unless the capacitor charge is refreshed. Because of this refresh requirement, it is a dynamic memory as opposed to SRAM and other static memory.

- SDRAM (Sync hronous Dynamic RAM) is the most common type of RAM used in PCs today. RAM is synchronized by the clock system, and has more speed than the DRAM tanggi. Suitable for systems with a bus that has the speed to 100 MHz. Synchronous dynamic random access memory (SDRAM) is dynamic random access memory (DRAM) that is synchronized with the system bus. Classic DRAM has an asynchronous interface, which means that it responds as quickly as possible to changes in control inputs. SDRAM has a synchronous interface, meaning that it waits for a clock signal before responding to control inputs and is therefore synchronized with the computer's system bus. The clock is used to drive an internal finite state machine that pipelines incoming commands. This allows the chip to have a more complex pattern of operation than an asynchronous DRAM, enabling higher speeds.

- SRAM (Static RAM) is a type of memory that does not need a refresher by the CPU, so that the data contained therein remain well. This type of RAM has a speed higher than the DRAM. Static random-access memory (SRAM) is a type of semiconductor memory that uses bistable latching circuitry to store each bit. The term static differentiates it from dynamic RAM (DRAM) which must be periodically refreshed. SRAM exhibits data remanence, but is still volatile in the conventional sense that data is eventually lost when the memory is not powered.

- RDRAM (Rambus Dynamic RAM) is a type of memory that is faster and more expensive than SDRAM. Memory can be used on systems that use the Pentium 4. Direct Rambus DRAM or DRDRAM (sometimes just called Rambus DRAM or RDRAM) is a type of synchronous dynamic RAM. RDRAM was developed by Rambus inc., in the mid-1990s as a replacement for then-prevalent DIMM SDRAM memory architecture. RDRAM was initially expected to become the standard in PC memory, especially after Intel agreed to license the Rambus technology for use with its future chipsets. Further, RDRAM was expected to become a standard for VRAM. However, RDRAM got embroiled in a standards war with an alternative technology - DDR SDRAM, quickly losing out on grounds of price, and, later on, performance. By the early 2000s, RDRAM was no longer supported by any mainstream computing architecture.

- EDO RAM (Extended Data Out RAM) is a type of memory used in systems that use the Pentium. Suitable for having a bus with speeds up to 66 MHz. EDO DRAM, sometimes referred to as Hyper Page Mode enabled DRAM, is similar to Fast Page Mode DRAM with the additional feature that a new access cycle can be started while keeping the data output of the previous cycle active. This allows a certain amount of overlap in operation (pipelining), allowing somewhat improved performance. It was 5% faster than FPM DRAM, which it began to replace in 1995, when Intel introduced the 430FX chipset that supported EDO DRAM.

Monday, July 2, 2012

Acer Aspire AS5750Z-4835 15.6-Inch Laptop specification

The Acer Aspire AS5750Z Notebook meets daily computing needs with multitasking performance, the latest connectivity and impressive graphics. Enjoy rich HD entertainment on the gorgeous 15.6" widescreen LCD display with Intel HD graphics for stunning visuals.

Enjoy cinematic brilliance on the 15.6" HD CineCrystal widescreen LED-backlit Display with a true 16:9 aspect ratio. Intel's next generation HD Graphics delivers crystal-clear images and brilliant color for today's best entertainment and optimal gaming experience. Easily connecting to your HDTV via the HDMI port, delivering crisp high-quality visuals and high-fidelity audio through a single cable. Dolby Advanced Audio v2 thrills with vibrant sound over any pair of speakers or headphones. Advanced 1.3 Megapixel HD Webcam provides high pixel density for amazing video image quality and 24 frames per second.

Acer Aspire AS5750Z-4835 15.6-Inch Laptop specification

Screen Size
15.6 inches
Max Screen Resolution
1366x768 pixels
Intel® HD Graphics
Card Ram Size
128 MB
Pentium B940
2 GHz
RAM Size
4 GB
Memory Technology
Hard Drive Size
500 GB
Hard Drive Description
Hard Drive Rotational Speed
5400 RPM
Optical Drive Type
Number of USB 2.0 Ports
Wireless Type
Average Battery Life (in hours)
4.5 hours
1 Lithium ion batteries required. (included)
Operating System
Windows 7 Home Premium 64-bit
Item Length
15 inches
Item Width
9.90 inches
Item Height
1.30 inches
Item Weight
5.7 pounds

Check prices and full specifications: Acer Aspire AS5750Z-4835 15.6-Inch Laptop (Black)