Computer Systems
What is hardware?
Physical components that make up a computer system
What is the Fetch Decode Execute Cycle?
Essentially the process the CPU follows to carry out instructions
What is RAM?
Used as Main Memory in the computer
What is a LAN?
Covers a small geographical area on a single site
What is network forensics?
Investigations to find the cause of an attack on a network
What is an embedded system?
A computer system built into another device
What is the memory address register?
Holds the memory address about to be used by the CPU
What is ROM?
Can only be read and is non-volatile
What is bandwidth?
Amount of data that can be transferred in a given time
What is the computer misuse act?
The law that covers unauthorised modification of computer material
What is a general purpose system?
A computer designed to perform many tasks
What is the control unit?
Executes instructions in the CPU and follows the fetch- decode- execute cycle.
What is a core?
Each one of these in the CPU can process data independently
What is a router?
Directs packets of data on the Internet to their destination
What is creative commons?
Licence that allows you to legally share media and software online.
What is the purpose of a computer system?
Take data - process data and output data
What is the ALU?
Carries out arithmetic operations in the CPU
What is clock speed?
Number of instructions a single processor core can carry out per second
What is a client-server network?
A network with central file storage on a server rather than individual devices
What is a brute force attack?
Cracking passwords through trial and error
What is a control system?
Monitors and controls machinery to achieve the desired result
What are registers?
Super fast memory that store tiny amounts of data that the CPU can access quickly
What is a GPU?
Specialised circuit for processing graphics and images
What is a mesh network?
A network where each device is connected directly or indirectly to every other device
What is social engineering?
A way of gaining illegal access to networks by influencing people