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ICT

GENERAL THEORY NOTES

TermDefinition
Hardweare Hardweare is any physical part of a computer.
Hardweare hardweare is made up of the CPU and the main menory,input devices, output devices, storage devices.
Hardweare main memory: stores programms and data for processing.
Haedweare CPU:controls all operations/jobs, it reads all data into main memory.
Hardweare input device:These devices read incoming data and pass it on to the CPU.
Hardweare output devices: trhese accept information form the CPU and display the results for the user.
Hardweare storsge devices: these keep information and instrucyions in the computer so thay can be used again.
Hardweare mouse:used to select text, insert text or an icon on page.
Hardweare keybord: used to type words on the page.
Hardweare bar code: they read or scan the zebra like bars that you see on most products.
Haedweare Terminal: they are used to collect information on a product by scanning the bar code.
Hardweare digitiser:used for drawing illustretion or c
Hardwear recorder:used to input voice or visual pictureson to your computer.
Haedwaear Vioice dadt enter: it can accept human speech and convert it to the spoken word onto your screen.
Haerdweare OCR: They are device that scan the document and turn it into readable f