Computers, Data and Information

A computer is an information processing machine. Computers process data to produce information.

The sets of instructions that humans give computers are called programs or software.

Software that carries out a particular type of task for a user is often called applications software.

There are many reasons for using computers:

• Computers can work much faster than humans;
• Computers never get tired or need a rest;
• Computers can do jobs that it would be dangerous for a human to do;
• Computers can store large amounts of information in a very small space;
• Computers can find information very quickly;
• Computers never lose or mispl ...

  To continue enjoying this article for free you need to login or register with Revision World. Registration is free and only takes a minute. Once you have registered you will have full access to all the Revision World content in full.

  To get access even quicker you can sign in driectly with Facebook