WorksheetsYear 8 Term 1 review
Total questions: 21
Worksheet time: 11mins
Gaining illegal access to a computer system.
Hacking
Spam
Malicious Software
Virus
The work must be destroyed
Which of the following is used to store programs installed on a computer?
DVD Drive
CD Drive
Video Card
Hard Drive
_____ is used when computer programs are turned on. It is cleared once the machine is shut off.
The optical disk
Random Access Memory (RAM)
The network interface
Read Only Memory (ROM)
What is the main function of the motherboard?
It allows a computer to display video
It ties together all of the functions of a computer
It connects a computer to the internet
It processes the instructions given to a computer
Tiny squares called ___________ are the building blocks of all digital images.
dots
Colour depth means ________________
the relationship between picture width and its height.
the (fixed) number of binary digits used to represent each pixel’s colour is the colour depth
________ is a series of instructions that are followed to complete a task or solve a problem.
instructions
algorithms
computers
recipe
An algorithm should be in the right order.
True
False
what's the next line of merge sort? no spaces, only commas
(a)
during the first comparison of the final stage, the two numbers compared are 1 and _
2
4
1
3
True or False:
NOT gates can only have one input
True
False
Which logic gate is this?
AND
OR
NOT
Which logic gate is this?
AND
OR
NOT
What will this gate's output be?
0
1
