Question

what are the basic organisation of a computer system?

Answer 1

Arithmetic/Logic Unit[edit] The Arithmetic/Logic Unit (ALU) is capable of performing basic arithmetic operations such as adding, subtracting, multiplying, and dividing two numbers. This unit is also capable of performing logical operations such as AND , OR , and NOT .

Answer 2

A computer system comprises of three important parts  - input unit , CPU and an output unit to perform the functions .