introduction to computer systems

Un it 1: Introduction to computer systems.

The difference between data and information is that data is information in a special form ready to be processed by a computer. Information can be text or a picture
Anything that has a meaning to a person is information.

A computer is anything that can process data. An example of a computer is a laptop or PC

CPU, Central Processing Unit. The main processing chip of a computer.
The central processing unit is a chip inside a computer, which processes the data going in and out of a computer system.
In most CPUs, this task is divided between a control unit that directs program flow and one or more execution units that perform operation...