WorksheetsGCSE - Mixed question computer science revision
Total questions: 24
Worksheet time: 15mins
Covers a small geographical area on a single site
LAN
PAN
WAN
SAN
The process of removing unnecessary details so that only the main, important points remain.
Abstraction
Algorithm
Application Software
Array
A step-by-step procedure for solving problems that can be followed by humans and computers.
Abstraction
Alpha testing
Argument
Algorithm
A digital circuit in the CPU used to perform arithmetic and logic operations.
Abstraction
ALU
Accumulator
Argument
Software designed to prevent, detect and remove malware.
Assigning
Argument
Assembler
Antivirus Software
A program that translates assembly language into machine code.
Authentication
ALU
Assembler
Abstraction
A trojan would typically...
hide on USB memory sticks.
be disguised as an email attachments.
be disguised as legitimate software.
spread through dodgy web links
Select ALL the malware
Worm
Trojan Horse
WAN
Virus
Which storage device stores data using magnetic technology?
Solid state
Internal Hard disk
USB
External hard disk
Which of these is not a sorting algorithm?
Bubble
Insertion
Merge
Binary
Which sorting algorithm is described by: moving through a list repeatedly, swapping elements that are in the wrong order.
Merge
Bubble
Insertion
None of these
Which sorting algorithm splits a list of items into individual lists?
Merge
Bubble
Insertion
None of these
Die1 = 3, Die2 = 4
Which is the smallest form of data?
Bit
Byte
Nibble
8 Binary Digits
How many bits per pixel do you need to make 4 colours?
colour depth of 1
colour depth of 2
colour depth of 3
colour depth of 4
What does volatile mean for a computers memory
Data and instructions remain stored even when the computer is switched off
Data and instructions may cause the computer to crash
Data and instructions are lost when the computer is switched off
