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Line 54: − − [[Image:Introduction-Part3_html_1f9b3b92.png]]<br> − ''What does a computer do ?'' − − In this chapter you will − learn about computers, a new ICT tool. A computer is a device which − takes input, processes it and gives output which can be stored and − shared. When you enter data into your computer, it is called − as input. An input can be data like text or picture or an instruction − (what − to do with the data). This data is processed (process − means to perform a series of operations on a set of data) and you − will get the output. Data or information that the computer generates − is called the output. − − − Suppose − you want to add two numbers, 2 and 5. Any − input has two parts, data and the instruction '2 + 5' is the input. − The numbers 2 and 5 are called the 'data' and − the '+' is called the instruction. A CPU (or a software to add the − numbers) will do the addition, it is called the process. The answer − '7' is the output or the result from the input and the process. − − − A − computer lets you to do many tasks like writing a letter, watching a − educational film, playing games, listening to music and more. You can − also look for information on the Internet.
Introduction to ICT the computer (view source)
Revision as of 06:14, 3 June 2014
, 06:14, 3 June 2014→What does a computer do ?
also look for information on the Internet.
also look for information on the Internet.
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== History of computers ==
== History of computers ==