Computer Keyboards by Elizabeth Morgan
A computer keyboard, just like a typewriter keyboard, performs the basic function of providing input to the central processing unit of the computer through the pressing of relevant keys. In addition to this, it also helps in controlling functions of a computer. ... One can download free software for changing the functions of a traditional QWERTY keyboard to turn it into a Dvorak keyboard. ... Most computers use the QWERTY keyboard, though there is always an option of using the alternative Dvorak keyboard also.

Activating Virtual SmartDust Keyboards by Lance Winslow
SmartDust are tiny electronic particles which are connected together electronically using those nodes or motes. There should be away to sprinkle the use tiny SmartDust onto a surface and use the SmartDust as a virtual keyboard for data input into a computer. ... In this way you can type the data into the device without looking at the surface where the smart to dust is located, but rather at the input device. ... Such a system would allow you to input data into a very tiny device such as something the size of an iPod Nano with a one and one half inch LED screen, a wristwatch computer or PDA.

Personal Digital Assistants: The Size Consideration by Jeremy Maddock
When buying a new PDA or any other handheld device, one of the first things you need to consider is its size and ergonomics. It is important to remember that mobile devices vary enormously in terms of size. Some are tiny enough to slip easily into a small pocket, while others can be almost as... For smartphones and PDAs without a built-in keyboard, you should try out whatever type of text input it does have. ... Before you buy any device it is a good idea to try out different sizes, and decide which general “build” of device you are more comfortable with.

New Wireless Keyboard is a Great Addition to a Media Center by Julia Hall
When it comes to getting the most productivity or enjoyment out of your computer, wireless devices go a long way. After all, with wireless input devices, you can move around easily to find a more comfortable position when you get too cramped in the same position you've been in for the past three... One in particular is the inclusion of a pointer device similar to the pointer device on a laptop computer, though smaller, that can be used in place of the mouse. ... It's easy to picture the cord of your keyboard getting caught in the built in foot rest of your Lay-Z-Boy or being tripped over...

Understanding Your Computer - Basic Terminology by Dennis DEntremont
Have you ever wondered what the names are of the devices connected to, and in, your computer? There are many people out there who have never owned a computer or who have a computer but do not know what the proper terms are for the things that come with it. ... Keyboard – The keyboard is one of the most basic input devices. ... Mouse – This is the other most basic input device. ... Printer – This is the device that lets you turn what you see on your computer, into hard copies on paper. ... Computer – This is the device that houses the “Guts” of your computer.

Why Laptops are Different than Desktops by Bonnie Archer
Laptops are different from desktops in the these ways; 1. Power supply: As desktops can be plugged in an outlet in the wall (AC Power) so can laptops with an AC adapter. But how a laptop is different from a desktop is that it is portable because batteries can also power laptops. ... Input Devices: On a desktop computer you usually use a mouse and keyboard to enter data and navigate. ... Instead they have one of three input devices in place of the mouse. ... With laptops keyboards are built in but since they are portable so they don't have a mouse.

How Notebooks are Different than Desktop PCs by Bonnie Archer
Laptops are different from desktops in the following ways; Power supply: As desktops can be plugged in an outlet in the wall (AC Power) so can laptops with an AC adapter. But how a laptop is different from a desktop is that it is portable because batteries can also power laptops. ... Input Devices: On a desktop computer you usually use a mouse and keyboard to enter data and navigate. ... The docking station comes with many peripheral devices: full size computer monitor, full size keyboard and mouse, disk drives and printer.

What are the Main Components of Any Computer, and Which are the Most Critical to Its Performance? by George Chamoun
Computers are everywhere, and vary in specification, brands, sizes, shaped, and prices. However, there is one common characteristic among all computer systems. whether we are talking standalone home pc, high performance networked servers, Unix computers, Linux, Windows, or Macs, they all have... 2-The output device is used to redirect the processed data to a device connected the output connection of the computer. ... Here is why: The keyboard does all the stuff you need, although some keyboard have more keys and functions to them, it depends what kind of application you are using, some...

Tablet PC- No Longer a Failure by Jakob Culver
A tablet PC is a refined and mechanized version of what the Egyptians used to write on clay tablets with a writing stick. Tablet PC has replaced the clay tablet with a screen and the writing stick with a stylus. The main advantage of using a PC Tablet whose idea was conceived by Alan Kay of... In this type of computers the data input is not through the traditional mouse and keyboard but through a stylus or a virtual keyboard on the screen. ... It also has the facility of data input through wireless keyboard and mouse.

Computer – Electronic Device that Makes Your Work Easy by Sumit Sehghal
A computer is an electronic machine that changes input in the form of some result. A computer consists of hardware and software and available in different sizes and designs. Today, computer is used in each and every field whether it is an educational institution, hospital, home, business etc. ... There are different I/O devices like keyboard, mouse, monitor, printers etc. ... A computer mainly consists of four main sections: Arithmetic and logic unit (ALU), control unit, memory unit and input and output devices.