Computer Hardware And Software

By Fahim Uddin 8R

Hard Drive (HDD/SSD)

HDD stands for Hard Disk Drive, SSD stands for Solid state drive. Hdd has more storage capacity than SSD however SSD is 34% faster than the HDD. HDD=£10-£30 SSD=£90-£150.
Understanding Tech:Difference between Hard Disk Drive and Solid State Drive (SSD)

Touch Screen

A touch screen is EVD (Electronics visual display) that can be control by your finger. This is a output and a input device £70-£100.
How Does a Touch Screen Work?

Moniter

A monitor is an output device which helps you visualize the screen.Monitor:£100-£125.
How LCD Monitor works- Beautiful Animated Description

Optical Drive

It’s a type of disc drive which processes DVDS, Blu-ray and floppy disc drive.Optical drive:£20-£30

CPU

CPU stands for central processing unit it’s a hardware which processes programs in to your computer. Windows 7:£106
How a CPU is made

RAM

Random access memory is volatile. It is temporary memory. It is better to have more RAM because when you run a program the microprocessor pulls the executable (.exe.)RAM:£40
Video - What Does Memory (RAM) Do?

Motherboards

A motherboard is the main part of the computer. It holds all the crucial parts of the computer system e.g. CPU and the memory. Motherboards:£120
How Motherboard Works

Input/Output Devices

Input is something which goes in to the computer e.g. joystick, scanner and webcam Output device is something which comes out of the computer e.g. monitor, printer and speaker. Monitor: £100-£150 webcam: £8  
Animated - Input and Output of Computers