Computer Hardware

2nd year ICT

Hard Drive/SSD

Hard Drive:

A hard drive is something that stores all the computer data in it, when-ever you save a application or a file it saves it on the hard drive and you can get it back whenever you like! In the hard drive when something is saved, the arm writes the information on the disk.

SSD (solid state drive):

The SSD is practically the same as the hard drive except the SSD works much faster and is much smaller. The only difference is that the SSD doesn’t have any moving parts

Optical Drive

A Optical drive is a piece of equipment that uses a laser to read and write information on it. The optical drive reads CD’s, DVD’s and Blu-Ray.


A monitor is basically the screen of a computer, phone etc! It can control what you see on the screen.


CPU stands for central processing unit, it is the brains of the computer, it performs the calculation and logic for the computer, it also known as a processor is the hardware within a computer system which carries out the instructions of a computer program by performing the basic arithmetical, logical, and input/output operations of the system.


Random Access Memory is a new DRAM (Dynamic random access memory) memory based on single-transistor capacitor-less cells. Some people call it A-RAM (advanced access memory).