A451 – Input and Output devices

An input device is a piece of computer hardware equipment which is used to enter data and provide signals to an information processing system like a computer. And output device is any piece of computer hardware equipment used to communicate results of data. Well will be looking at input and output devices in a supermarket, […]

A451 – Memory

This post contains information regarding memory in computing hardware, including: The difference between RAM AND ROM Explaining why we need ROM Describing the purpose of RAM How the amount of RAM affects the performance of a PC Why we need Virtual Memory Describing Cache and Flash memory Discussing how changes in memory technologies are leading […]