What is inside a computer?

Hard Drive

A hard disk drive, hard disk, hard drive or fixed disk is a data storage device used for storing and retrieving digital information using one or more rigid rapidly rotating disks coated with magnetic material.

Mother Board

A motherboard is the main printed circuit board (PCB) found in computers and other expandable systems. It holds many of the crucial electronic components of the system, such as the central prosecing unit(CPU) and memory, and provides connectors for other peripherals.


CPU is the abbreviation for central processing unit.

It is sometimes referred to simply as the central processor, but more commonly called processor, the CPU is the brains of the computer where most calculations take place. In terms of computing power, the CPU is the most important element of a computer system.


RAM is an acronym for random access memory, a type of computer memory that can be accessed randomly; that is, any byte of memory can be accessed without touching the preceding bytes. RAM is the most common type of memory found in computers and other devices, such as printers

Optical Disc Drive

In computing, an optical disc drive (ODD) is a disk drive that uses laser light or electromagnetic waves to read data on such things such as DVDs and CDs