WorksheetsAQA GCSE computer science
Total questions: 30
Worksheet time: 17mins
Name
Class
Date
1.
What is the result of 7 MOD 5?
a)
1.5
b)
2
c)
1
d)
1.4
2.
What is the result of 10 DIV 3 ?
a)
3
b)
3.33
c)
4
d)
4.0
3.
10 > 3 AND 6 < 8
a)
TRUE
b)
FALSE
4.
5 == 6 OR 10 > 5
a)
TRUE
b)
FALSE
5.
Which of these is NOT a type of compression?
a)
Run Length Encoding
b)
Huffman Coding
c)
Encryption
d)
Lossy
6.
19 in binary is?
a)
10000
b)
10001
c)
00001
d)
10011
7.
What is the aswer to this binary addition?
00110011 + 01000110
00110011 + 01000110
a)
11001110
b)
10000110
c)
01111001
d)
00011100
8.
What is an example of an output device?
a)
Mouse
b)
Microphone
c)
Speakers
d)
DVD
9.
What computer component is displayed?
a)
Expansion Card
b)
CPU
c)
Motherboard
d)
Memory
10.
In terms of computing, what does CPU stand for?
a)
central pc unit
b)
clean processing unit
c)
computer processing unit
d)
Central processing unit
11.
A computer which is attached to a network is called a
a)
Personal computer
b)
Stand alone
c)
Work alone
d)
Work station
12.
What are some examples of Optical Formats
a)
CD, DVD, Blu-Ray
b)
CD, DVD, Tape
c)
DVD, CD, Disk
d)
90hjxz8 erDVD, TV, Mouse
13.
Their are only two types of storage drives; Solid State and Hard Drives.
a)
True
b)
False
14.
RAM is a type of primary storage
a)
True
b)
False
15.
Which one of these devices is solid state?
a)
USB flash memory
b)
CD
c)
DVD
d)
Magnetic stripe
16.
Which type of device is a QWERTY Keyboard?
a)
Input Device
b)
Output Device
c)
Storage Device
17.
What is the purpose of the CPU?
a)
To process all the data and instructions.
b)
To turn the computer on.
c)
To create PowerPoint presentations.
d)
To provide power to the computer.
18.
What are registers used for?
a)
To check that students are in school.
b)
To temporarily hold bits of data needed by the CPU.
c)
To make sure that the CPU runs properly.
d)
To make the CPU faster.
19.
What is the main function of the boot program?
a)
To load programs that are being used.
b)
To shut the computer down.
c)
To get the computer up and running and get the operating system loaded.
d)
To load Microsoft Office.
20.
Which of the following CPU's will have a better better performance:
A: 3 GHz Quad Core CPU
B: 3 GHz Duel Core CPU
A: 3 GHz Quad Core CPU
B: 3 GHz Duel Core CPU
a)
A
b)
B
21.
What is a bus?
a)
A circuit that connect one part of CPU to other components.
b)
A type of long term memory
c)
A type of permanent memory
d)
A method of transport
22.
The ALU is found inside the CPU True or False?
a)
True
b)
False
23.
Bitmap or 'raster' graphics are made up of _______
a)
Shapes and lines
b)
Pixels
24.
A pixel is the _______ part of an image.
a)
Smallest
b)
Largest
25.
What is meant by the term 'colour depth'?
a)
Width and height of an image.
b)
A pixel in an image.
c)
Quality of the colour.
d)
Number of bits used to encode each pixel.
26.
How many colours can be used for each pixel if the colour depth is 8 bit?
a)
8 colours
b)
9 colours
c)
255 colours
d)
256 colours
27.
Additional Information about the image file is stored as
a)
Metadata
b)
Properties
c)
File summary
d)
Pixels
28.
What does the bit rate of a sampled sound refer to?
a)
The number of bits used for 1 second of audio
b)
The number of bits used for every sample
c)
The final file size of the sampled sound
d)
The speed at which the sampled sound is played back
29.
What is the standard sampling frequency for CD audio?
a)
20,000 Hz
b)
44,100 Hz
c)
33,300 Hz
d)
96,000 Hz
30.
What is an operating system?
a)
A program that manages the operations of the computer
b)
Application software
c)
A program that manages the fetch-decode-execute cycle
100 %
