What is the introduction to computer system?
What is input and output model of computer?
- Computer is an electronic device that receives input, stores or processes the input as per user instructions and provides output in desired format. Input-Process-Output Model. Computer input is called data and the output obtained after processing it, based on user’s instructions is called information.
How does a computer input data into the system?
- Here are some common ways of feeding input data into the system: Typing on a keyboard. Computer keyboards operate in much the same way as electric typewriter keyboards. The computer responds to what you enter; that is, it "echoes" what you type by displaying it on the screen in front of you.
What do you call the first program that starts a computer?
- Starting a computer or a computer-embedded device is called booting. The first program or set of instructions that run when the computer is switched on is called BIOS or Basic Input Output System. BIOS is a firmware, i.e. a piece of software permanently programmed into the hardware.
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