Lesson 1-1 What is a computer?
A machine changes information from one form to another by performing four basic actions.
Raw information that is entered in to a computer.
A number that is a building block for computer languages;short for binary digit.
A task a comuter carries out with data.
A group of bits combinede into groups of 8 or more.
The result of a computers processing displayed on screen,printed on paper or heard through a speaker.
Devices such as hard drives and CDROM drives, that permantly hold data and program to use.
The computers phisical parts
Central Processing Unit
This is a device for processing data.
Random Accessing Memory
To store data and instructions while the computer is working