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ICT exam December 2018 unit 1 Cheat Sheet (DRAFT) by

This is a draft cheat sheet. It is a work in progress and is not finished yet.

Issues relating to transm­utation of data

Factors Effecting Bandwidth And Latency
* Not being near a cell tower
* Other people using the network
* Perfor­mance of the device

Choosing IT Systems

User experience
How easy it is to use
User needs

The Role Of The Operating System

Control access to resources and devices and a network
managing printing
user management
backing up files
Run ongoing checks
Analysed and collected to create picture about system health
Memory Management
Multi-user OS runs from a server
allocate memory space to apps and tasks
scan viruses
scan the web
word processing
Allow each process to a tiny amount of processor power