Please enable JavaScript.
Coggle requires JavaScript to display documents.
LO1 - Coggle Diagram
LO1
Computer Componets
8 Main parts Motherboard, CPU, Video card, RAM, Power supply, Hard drive, Optical Drive
-
-
RAM - Random access memory stores all data of currently used sites/ applications. This data is violate once closed and not saved
-
1.1 Computer Hardware
Input Devices
Example include: Keyboard, Concept keyboard, numeric pad , mouse, scanner, barcode reader, touch pad and remote controls.
Definition: A hardware device that sends a signal to a computer, which then inputs the data. Micro phone picks up speech and the computer send it to the recepitor.
Keyboard: A keyboard is an input device that inputs the keys typed. It send this data to the computer and this can be seen at text on a monitor.
A barcode reader is typically used in stores to identify items by reading the barcode for ever specific item. An disadvantage is that if the barcode is damage or slightly obscured it can no longer read the code.
Output device
An output device is a piece of hardware that makes data understandable for humans. Forms include: Text,graphics,tactile and audio.
Examples include: Crt Monitor, TFT Monitor, 3d Printer, Plotter and laser printer
-
-
-
-
-
-