is an electronic machine
Accept data
Process the data
Give the results of the processing
On the screen
In print form
Computer system
Hardware
Software
is any electronic or mechanical part you can see or touch
Is a set of instructions, called a program.
Sections
Peripherals
Its fuction
Execute program instructions
Coordinate the activities of all the units
Holds the instructions
Data which are being processed by the CPU
The physical units attached to computer
Include
Storage devices
Input/output devices
Are classified according to their function
Programming
App
System
Provide a permanent storage of both data and programs
Input devices enable data to go into the computer's memory.
Output devices enable us to extract the finished product from the system.