Wednesday, 8 October 2014

P1 explain the function of computer hardware components



Peripherals and Backing Storage
Input devices
An input device is a peripheral use to provide data and control signals to a computer system, these are things like keyboards, mouse, and scanners that all send data to the computer.
Output devices
An output device is a peripheral that displays data and communicates the results of data processing to the end user. It converts the electronically generated data into human-readable information; these are things like projectors and monitors.
Cabling
Cabling is used to connect peripherals in a computer system such as the keyboard cable and mouse cable. They are used to transfer the data between the computer system and the peripheral device.
Disks
 Disks are a storage mechanism used to store data magnetically on these disks. Different types of disks include the HDD and FDD, which are the Hard Disk Drive and Floppy Disk Drive.
Flash memory cards
A flash memory card is a storage device used to digitally store data and is often used with digital cameras and mobile phones.
Portable drives
Portable drives are disk drives that have the ability to be moved and connected to different computer systems via a USB port. They use disks to store data and are encased in plastic for protection.

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