By SaMiYa BeGUm

Hard drive

Hard drives are one of the components of computer hard ware. The hard drive is what stores all your data.  It houses the hard disk, where all your files and folders are  located. The data is stored on a stack of disks that are mounted inside a solid encasement. The data is stored on the hard drive magnetically, so it stays on the drive even after the power supply is turned off.

Touch Screens

Touch screens is a display device which allows the user to interact with a computer by touching areas on the screen phisically. Instead of using a pointing device such as a mouse or light pen, you can use your finger to point directly to objects on the screen. 


A moniter is a device used for observing, checking, or keeping a continuous record of something. A device or arrangement for observing, detecting, or recording the operation of a machine or system, especially an automatic control system.

Optical devices

An optical drive is a type of computer disk drive that reads and writes data from optical disks through laser beaming technology.These types of drive allows a user to retrieve, edit and delete the content from optical disks such as CDs, DVDs and Blu-ray disks. Optical drives are among the most common computer components. An optical drive may also be known as an optical disk drive.


CPU is the main function and the brain of technology e.g computers , where most of the calculations take place.


RAM stands for Random access memory. A type of computer memory that can be accessedrandomly; 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 others Devices, such as printers .


A printed circuit board containing the principal components of a computer or other device, with connectors for other circuit boards to be slotted into. An important feature of a motherboard is the socket used to house the CPU.

input / output devices

An input device is anything that information into a computer. A mouse is an example of input device. When you move or click the mouse it tells the computerwhat to do. You can see the mouse arrows moving around. Output Device is anything that display information. A moniter is an example of an output device becuase it displays and takes information for you to look at.