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Saturday, 7 January 2012

What is computer Hardware?

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Computer Hardware : In a simple way - What you can touch or see called as computer hardware. This is the simplest definition of computer hardware.  
Here I am going to give you some more examples of computer hardware.

Computer Hardware Parts
Hardware is any part of your computer that has a physical structure, such as the computer monitor or keyboard.

Wiki definition of computer hardware : 

Personal computer hardware are component devices which are typically installed into or peripheral to a computer case to create a personal computer upon which system software is installed including a firmware interface such as a BIOS and an operating system supporting application software that performs the operator's desired functions. Operating systems usually communicate with devices through hardware buses by using software device drivers.
Computer Hardware
Computer accessories which you can define as  a computer hardware are listed below.
  1. C.PU (Central Processing Unit) 
  2. Monitor
  3. Keyword
  4. Printer
  5. Scanner
  6. Joystick
  7. Motherboard 
  9. Mouse
  10. Microphone
  11. Speaker
  12. Light Pen
  13. Touch pad
  14. Hard Disk
  15. SMPS (Switch Mode Power Supply)

Sunday, 1 January 2012

Input and Output Devices of computer.

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In computing, input/output, or I/O, refers to the communication between an information processing system (such as a computer), and the outside world, possibly a human, or another information processing system. Inputs are the signals or data received by the system, and outputs are the signals or data sent from it. The term can also be used as part of an action; to "perform I/O" is to perform an input or output operation. I/O devices are used by a person (or other system) to communicate with a computer. For instance, a keyboard or a mouse may be an input device for a computer, while monitors and printers are considered output devices for a computer. Devices for communication between computers, such as modems and network cards, typically serve for both input and output.

Here are some images of Computer's Input and Output Devices.

Input and Output Devices

Printer - An Output Device

Images of Input and Output devices

Keyboard - A input device of computer

Mouse - A input device of computer

Monitor - A input device of computer

Printer - A input device of computer
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