2nd year ICT
Computer hard drives
Computer hard drives, also known as HDs, are a computers main storage media. They permanently store all data on the computer. Hard drives were first introduced on September 13th 1956. They can also be called HDDs (Hard Drive Disks).
Monitors display the most-used outlet device on a computer. The display instantly provides feedback by showing you text and graphics.
Optical drives store and retrieve data on optical discs, such as CDs, DVDs, and Blu-ray discs, they hold a lot more information than things like floppy discs.