Computer Hardware
Second Year ICT
What is inside a computer?
iMac Book Pro
This is the screen of an iMac Book Pro
Computer insides
This is what there is in computer.
SSD/Hard Drive
A Hard Drive is used to store memory, files, application, etc. on the computer and other software’s, when you save or change data. And has moving parts to write information on the hard drive.
A SSD (Solid State Drive) = it is also to save memory, but it is much smaller and more expensive to buy than a hard drive. And it has no moving parts.
A Hard Drive = it is also to save memory, but it is much smaller and more expensive to buy than a hard drive. And it has no moving parts.
SSD
This is a SSD, it has no moving parts.
Hard Drive
This is a hard drive, there are moving parts.
CPU (Central processing unit)
CPU
This is what the front of the CPU looks like.
CPU
This is what the back of the CPU looks like.
Optical Drive
Optical Drive
These are what an optical drive looks like.
Optical Drive
This is the outside of an optical drive.
Optical Drive
This is the inside of an optical drive.
RAM
Monitor
Motherboards
Inputs/Outputs
An input device is something that puts information inside a computer. E.g. A mouse on a computer is an input device as when you move the mouse and click on things it tells the computer what to do.
An output device is something that can display information. E.g. A monitor is a output device as it takes information and display it on the monitor for you to look at.
Touch Screens
A touchscreen is when you can use some object to move or control a screen. Without a mouse, point, etc. E.g. An iphone 5 is a touch screen.