Fundamentals Of Hardware & Software

Computer

A computer is an electronic device operating under the controls of instructions stored in its memory.

Ipos

Ipos stand for :Input,processing,output and storage.

CPU

Central Processing Unit is the brain of the computer and it controls how the rest of the computer works.

ALU

Aritmetic and Logic Unit performs the calculations and logic operations . This is also part of the cpu.

CU

Control Unit carries out instruction in the software and directs the flow of data through the computer.

Input

Input devices get data into the computer. This can be a mouse, keyboard and a scanner.

Output

Output devices are devices that get data out of the computer . This can be a speaker, printer or monitor.

Software

This is name given to computer programs that tell hardware how to work.

System Software

This is usually called the operating system since it controls the hardware and how all other software works.

Utility Software

This is software that aims to protect and maintain the system software and maintain a smooth working.

Application Software

Application Software is software that instructs a computer to carry out a specific task.