wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Y10rev

Total questions: 144

Worksheet time: 4hrs 12mins

Name
Class
Date
1.
Convert 65 to binary
a)
01100001
b)
00100001
c)
01000001
d)
00100101
2.
Convert 37 to binary
a)
00100101
b)
00100011
c)
00100111
d)
01000101
3.
Convert 11001100 to decimal
a)
224
b)
134
c)
104
d)
204
4.
What are the only two numbers you can use in binary?
a)
0 and 1
b)
1 and 2
c)
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
d)
1, 2, 4, 8, 16
5.
Which of these is the correct sequence for the place values for binary numbers?
a)
1, 2, 4, 8, 16, 32, 64, 128
b)
1, 2, 4, 6, 8, 10, 12, 14, 16
c)
1, 2, 3, 4, 5, 6, 7, 8
d)
0, 1
6.
Convert 11111111 to decimal
a)
255
b)
245
c)
235
d)
225
7.
Calculate the binary addition:
1001
1011
Use binary addition rules + whiteboards!
a)
10100
b)
010101
c)
011100
d)
01010011
8.
Calculate the binary addition:
1111
1011
Use binary addition rules + whiteboards!
a)
110101
b)
11110
c)
11011
d)
11010
9.
Calculate the binary addition:
01101111
01101111
Use binary addition rules + whiteboards!
a)
11011110
b)
11011111
c)
11111110
d)
11111110
10.
Calculate the binary addition:
Use binary addition rules + whiteboards!
a)
10100100
b)
10010100
c)
11000100
d)
01011110
11.
In a logical _____ shift we multiply by 2 for each shift place.
a)
Left
b)
Right
c)
Right and Left
12.
In a logical _____ shift we divide by 2 for each shift place.
a)
Left
b)
Right
c)
Right and Left
13.
Shift 01101000 to 3 places to the right
a)
00110100
b)
00001101
c)
00011010
14.
True or False: The binary number for a capital 'A' is the same as the binary number for a lower-case 'a'?
a)
True
b)
False
15.

What issue can occur when performing a left shift?

a)

Get the answer wrong

b)

The number is lost

c)

Loss of accuracy due to overflow

d)

Loss of accuracy due to lost data

16.
Which of the following is an 'analogue device'?
a)
Hard disk drive
b)
Vinyl record
c)
Smart phone
d)
Keyboard
17.
What is this an example of?
a)
Overflow error
b)
8 bit binary addition
18.
If you tried to connect an analogue microphone to a computer - an analogue to digital conversion (ADC) would need to take place.  True or False?
a)
True
b)
False
19.
What is the largest integer that can be represented using 8 bits?
a)
115
b)
235
c)
255
d)
256
20.
How high can you count in binary?
a)
As high as you want
b)
Up to 100
c)
Up to 2
d)
Up to one million
21.

What is Denary?

a)

Numbers between 1-16

b)

Decimal numbers (0-9)

c)

0s and 1s

d)

Adding numbers in binary

22.

1 0 1 1 0 - 1 1 0 1

a)

0 1 1 0 1

b)

1 0 0 0 1

c)

0 1 0 0 1

d)

1 1 0 0 1

23.

1 1 0 1 1 - 1 0 1 1

a)

11000

b)

01010

c)

11111

d)

1 0 0 0 0

24.

What does the 1 and 0 in Binary represent?

a)

On and Off

b)

Yes and No

c)

Up and Down

d)

Left and Right

25.
Convert 85 into Hexadecimal
a)
01010101
b)
55
c)
5A
d)
A5
26.
Denary = 255
Hex = ?
a)
AF
b)
1F
c)
FA
d)
FF
27.
Binary = 1101
Hex = ?
Dec = ?
a)
D, D
b)
13, 13
c)
D, 13
d)
13, D
28.
Which does not affect playback quality of a sound file?
a)
Amplitude
b)
Bit rate
c)
Sample frequency
d)
Sample resolution
29.
How does increasing colour depth affect an image file?
a)
Increases number of colours in image
b)
Increases resolution of image
c)
Increases image width
d)
Decreases metadata for an image 
30.
Convert B2 from hex to denary
a)
178
b)
14
c)
256
d)
10011110
31.
What would you NOT find in a bitmap file
a)
mathematical expressions to describe the shapes in the image
b)
metadata
c)
code for the colour depth
d)
a series of pixels coded as binary
32.
In binary, 11 + 11 =
a)
110
b)
111
c)
22
d)
100
33.
The ASCII code for a letter A is 01000001 what is the code for a C
a)
01000011
b)
01100001
c)
11000011
d)
01001001
34.

Select the Twos Compliment for -5

a)

11111011

b)

11111010

c)

0000 0101

d)

01111011

35.

Select the Twos Compliment for -1

a)

11111110

b)

11111111

c)

0000 0101

d)

01111011

36.
Makes the file smaller by deleting parts of the file permanently (forever)
a)
Lossy Compression
b)
Lossless Compression
37.
Makes the file smaller by giving repeated patterns/colours a specific code
a)
Lossy Compression
b)
Lossless Compression
38.

Which of the following would not be suitable for Lossy Compression?

a)

Images

b)

Sounds

c)

Videos

d)

Text

39.

MP3 is a lossless file format for sound. True or False?

a)

TRUE

b)

FALSE

40.

What are the main reasons to compress data? (select all that apply)

a)

To reduce secondary storage space

b)

To maximise the available RAM memory

c)

To speed up network transmission times

d)

To optimise the data

e)

To reduce packet congestion on networks

41.

Which of these image file formats support lossless compression techniques? (select all that apply)

a)

JPG

b)

PNG

c)

GIF

d)

BMP

e)

SVG

42.

Which of these audio file formats support lossy compression?

a)

FLAC

b)

MP3

c)

WAV

d)

OggPCM

e)

WMA

43.

Asymmetric encryption is when ...

a)

a message is encrypted and decrypted using two different keys: a public one and a private one

b)

only one message can be encrypted at a time

c)

An encrypted message is received, but there is no requirement to return an encrypted message

d)

There is no key available to decrypt an encrypted message that has been received

44.

Which is a Caesar cipher?

a)
b)
c)
d)
45.

Select all the statements that are true about the Caesar cipher

a)

It was first used by Roman Emperor Julius Caesar

b)

It is a very secure form of encryption

c)

It does not provide much information 'leakage' for a cryptographer

d)

It can be easily cracked using frequency analysis techniques

e)

It is an example of a substitution cipher

46.
A bitmap image is made up of
a)
Pixels
b)
Colours
c)
Sounds
d)
Samples
e)
Characters
47.
Additional Information about the image file is stored as
a)
Metadata
b)
Properties
c)
File summary
d)
Pixels
48.
The number of pixels per inch in an image is known as the
a)
Dimensions
b)
Colour depth
c)
Resolution
d)
Megapixels
49.
Which of the following file types is an example of a compressed archive?
a)
ZIP
b)
WAV
c)
BMP
d)
CO
50.

The row in a database that holds information about a single item is called a .....

a)

Record

b)

Grid

c)

Field

d)

Table

51.

An individual piece of information in a database is called a .....

a)

Grid

b)

Row

c)

Table

d)

Field

52.

Which of the following is not a valid data type?

a)

Address

b)

Text

c)

Date/Time

d)

Number

53.
An image is 50 pixels wide by 300 pixels high.  The colour depth is 2 bit, what is the file size in bytes?
a)
3000 bytes
b)
3250 bytes
c)
3750 bytes
d)
4000 bytes
54.
How many characters does ASCII data set hold?
a)
10
b)
128
c)
2
d)
356
55.

What is the correct Run-length encoding for the data: cccmmmmmsssssdcccccc

a)

3c5m5s1d6c

b)

c3m5s5d1c6

c)

cmsdc35516

d)

cccmmmmmsssssdcccccc

56.

ROM stands for

a)

Random Access Memory

b)

Read Only Memory

c)

Read Online Memory

d)

Ready Only Memory

57.

RAM stands for:

a)

Random Account Memory

b)

Read Only Memory

c)

Random Access Master

d)

Random Access Memory

58.

How many bits make a byte?

a)

2

b)

4

c)

6

d)

8

59.
CPU stands for...
a)
Central Programming Unit
b)
Centrally Processing Universally
c)
Core Processing Unit
d)
Central Processing Unit
60.
CPU carries out a cycle called___. 
a)
Execute-decote-fetch
b)
Fetch-decode-execute
c)
Fetch-execute-decode
d)
Decode-execute-fetch
61.
The part of the CPU that gets instructions from the memory is...
a)
Storage
b)
Fetch
c)
Decode
d)
Execute
62.
The part of the CPU that carries out instructions is...
a)
Storage
b)
Fetch
c)
Decode
d)
Execute
63.
The part of the CPU that understand what the instructions mean is...
a)
Storage
b)
Fetch
c)
Decode
d)
Execute
64.
Clock Speed means...
a)
How many cycles it does in a second
b)
How many cycles it does in a minute
c)
How many cycles it does in a hour
d)
How many cycles it does in a day
65.
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.
66.
Which of the following is a job of the control unit?
a)
To start up the computer
b)
To manage the fetch decode execute cycle
c)
To create presentations
d)
To carry out calcul
67.
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
68.
What is cache memory?
a)
A very large, temporary memory
b)
A very small but expensive memory
c)
It is used to store data and programs permanently
d)
It is a type of payment
69.
What does ALU stand for?
a)
Arguable Logic Unit
b)
Arithmetic Larger Unit
c)
Arithmetic Logic Unit 
d)
Arithmetic Logic Utility
70.
What are the 3 parts of the Von Neumann computer architecture?
a)
Processor (CU & ALU), Memory Unit & Input/Output
b)
Processor, RAM & ROM
c)
Processor, RAM & Hard Disk
d)
Memory (CU & ALU), Hard Disk & Input/Output
71.

Carries the addresses of data between the processor and memory

a)

Address bus

b)

Data bus

c)

Control bus

d)

System bus

72.

Carries data between the processor, the memory unit and the input/output devices

a)

Address bus

b)

Data bus

c)

Control bus

d)

System bus

73.

Carries control signals/commands from the CPU (and status signals from other devices) in order to control and coordinate all the activities within the computer

a)

Address bus

b)

Data bus

c)

Control bus

d)

System bus

74.

How is the storage area that holds small set of data in a processor called?

a)

Register

b)

Bus

c)

Drive

d)

Memory

75.

Which of these statements is TRUE about a LAN?

a)

A LAN connects computers in a small area such as an office

b)

A modem is needed to connect a computer to a LAN

c)

A LAN consists of only one computer

76.

Which of the following networks is LEAST likely to be a WAN?

a)

The Internet

b)

A school network

c)

A network of bank cash dispensers

77.

Which type of network needs 'terminators' to function correctly?

a)

Bus

b)

Ring

c)

Star

78.

Which type of network needs a 'hub' or 'switch'?

a)

Star

b)

Ring

c)

Bus

79.
What does LAN stand for?
a)
Local Area Network
b)
Legal Access Network
c)
Legendary Access Node
d)
Local Admin Network
80.
What does WAN stand for ?
a)
Weak Access Node
b)
Working Area Network
c)
Wide Area Network
d)
World Access Net
81.
What type of network is this?
a)
Star
b)
Mesh
c)
LAN
d)
WAN
82.
What type of network is this?
a)
Star
b)
Bus
c)
LAN
d)
WAN
83.
What type of network is this?
a)
Star
b)
Bus
c)
LAN
d)
WAN
84.
What are the red arrows pointing at?
a)
Terminator
b)
Node
c)
Bus
d)
Network
85.
If a cable fails on a star what happens?
a)
Network fails
b)
One computer fails
c)
Nothing
d)
Not sure
86.
If the main cable on a bus fails what happens?
a)
Nothing
b)
Some of the computers will still work
c)
The whole network fails
d)
One computer fails
87.

Which Network Topology is this?

a)

Star

b)

Bus

c)

Mesh

88.
what is the task of the DNS?
a)
translate a domain name into the correct IP address
b)
translate an IP address into a domain name
c)
Gives names to websites which aren't named
d)
Leaves websites alone
89.
A computer that is connected to a network is called a ___________.
a)
Stand alone
b)
Mainframe computer
c)
Workstation or node
d)
Personal computer
90.
The suite of protocols and programs that supports low-level network communication.
a)
HTTP
b)
P2P
c)
gateway
d)
TCP/IP
91.
Exchange of World Wide Web documents.
a)
HTTP
b)
FTP
c)
MIME type
d)
SMTP
92.
The network protocol that breaks messages into packets, reassembles the packets at the destination, and takes care of errors.
a)
Telnet
b)
TCP
c)
DSL
d)
UDP
93.
The rules that specify how data is transmitted.
a)
Protocols
b)
Parallels
c)
Bandwidth
d)
Mulitiplexers
94.
The data transfer rate of a network.
a)
Bandwidth
b)
Broadband
c)
Capacity
d)
Topology
95.
Before sending data over a network it is divided into small chunks named?
a)
Packets
b)
Blocks
c)
Bytes
d)
Packages
96.
A __________________ is a group of computers that are connected together to share data, hardware and software.
a)
Laptop
b)
Tablet
c)
Computer Network
d)
Digital portfolio
97.
The Internet is an example of ____________ type of network.
a)
LAN
b)
WAN
c)
MAN
98.

A company would normally own all of the equipment for their WAN, including the cables.

a)

False

b)

True

99.
In computing, a bit is
a)
8 bytes
b)
a single    0 or 1     on or off
100.
a kilobyte is
a)
1024 bits
b)
1024 bytes
101.
how many bits are in 2 kilobytes?
a)
2
b)
2 x 1024 x 8 = 16384
c)
2 x 1024 = 2048
102.
how many megabytes are in 4 gigabytes?
a)
4
b)
4 x 1024 = 4096
c)
1024
103.
Each song on an mp3 player is 5 megabytes.
how many songs will fit on a 500 gigabyte hard disk?
a)
(500x1024) divided by 5 = 102400
b)
(500 divided by 1024) x 5 = 2.44
c)
5 * 1024 * 1024 = 5242800
104.

What is a storage device?

a)

A device use for calculating data

b)

A device used to store data temporarily

c)

A device used to supply power to the computer

d)

A device used to store data permanently

105.

What does a lower case b stand for?

a)

Bit

b)

Byte

106.

What does an upper case B stand for?

a)

Bit

b)

Byte

107.

Which image correctly lists largest to smallest?

a)
b)
c)
d)
108.

How many bits in a kilobit?

a)

1,000

b)

1

c)

8

d)

1,000,000

109.
Define the term 'sampling'.
a)
Snapshots of sound are taken as the wave cannot be represented as a series of continuous changes.
b)
The number of samples taken each second
c)
 The number of bits used per second of audio
d)
 The number of bits available for each clip
110.
Define the term 'bit rate'.
a)
Snapshots of sound are taken as the wave cannot be represented as a series of continuous changes.
b)
The number of samples taken each second
c)
 The number of bits used per second of audio
d)
 The number of bits available for each clip
111.
Define the term 'bit depth'.
a)
Snapshots of sound are taken as the wave cannot be represented as a series of continuous changes.
b)
The number of samples taken each second
c)
 The number of bits used per second of audio
d)
 The number of bits available for each clip
112.
How do you calculate the bit rate of a digital audio file?
a)
Frequency x channels
b)
Frequency × bit depth × channels 
c)
Bit depth x channels
d)
Channels x 2 x bit depth
113.
What unit is a sample rate measured in?
a)
Bits per second (bps)
b)
Hertz (Hz)
c)
Megabits per second (Mbps)
114.
The amplitude of a sound wave is....
a)
How high the wave is from the crest or trough
b)
The frequency at which it is sampled
c)
The speed at which it travels through air
115.
Random Access Memory; temporary memory.
a)
Motherboard
b)
CPU
c)
RAM
d)
ROM
116.
Read Only Memory. Memory that handles the automatic functions of a computer and cannot be changed.
a)
Motherboard
b)
CPU
c)
RAM
d)
ROM
117.
Gb
a)
Gigabit
b)
Gigabyte
c)
Gibbium
d)
Giggle Break
118.
Kilobit
a)
K
b)
KB
c)
Kb
d)
kg
119.
Kilobyte
a)
K
b)
Kb
c)
KG
d)
KB
120.
Stores instructions for the computer to start up
a)
RAM
b)
ROM
121.
Why is RAM temporary?
a)
Because it doesn't stay forever
b)
Because it has limited space
c)
Because it is non-volatile
d)
Because it is volatile
122.

What would be the result of shifting a binary number 2 places to the left?

a)

The number would be divided by 4

b)

The number would be multiplied by 2

c)

The number would be increased by 4

d)

The number would be multiplied by 4

123.

What would be the result of shifting a binary number 2 places to the right?

a)

The number would be multiplied by 4

b)

The number would be divided by 4

c)

The number would be increased by 4

d)

The number would be divided by 16

124.

What is the correct definition of a character set?

a)

...a collection of characters identified by a code

b)

Unicode

c)

ASCII

d)

...a collection of characters that a computer recognises from their unique binary representation.

125.

If I had an image that could represent 16 colours, how many bits are stored per pixel?

a)

2

b)

4

c)

3

d)

16

126.

What would be the binary representations of the second line in the image?


Assuming that black = 1 and white = 0.

a)

1110000000000111

b)

0001111111111000

c)

010001000100010

d)

111000000000111

127.

What is the correct name for the following description?


"The number of samples taken every second of the duration of the sound recording"

a)

Sample resolution

b)

Sample rate

c)

Sample

128.

Which of the following is the correct formula to calculate the file size of a sound?

a)

sample rate * sample resolution * length (in seconds)

b)

sample rate * sample resolution

c)

sample rate * sample resolution / length (in seconds)

d)

sample rate / sample resolution * length (in seconds)

129.

Lucy is recording a sound, using a sample resolution of 16 bits and a sample rate of 1000Hz, the sound is 2 minutes long.


What will be the file size of the sound file in bits?

a)

192,000

b)

1,920,000

c)

19,200,000

d)

32,000

130.

Using Run Length Encoding, what would be the correct representation of the top line of this image?

a)

4B, 33W, 4B

b)

8B, 33W

c)

B4, W33, B4

d)

4 0, 33 1, 4 0

131.

When is Run Length Encoding not very effective?

a)

When there are lots of the same colour pixels in a row

b)

When there are lots of colour changes in a row

c)

When there are only two colours per row

d)

When there are lots of colours in runs on the same row

132.
What base is the hexadecimal number system?
a)
6
b)
7
c)
12
d)
16
133.
If 'A' is ASCII 65, then 'T' is ASCII
a)
66
b)
99
c)
13
d)
84
134.
Define the term 'analogue'.
a)
Analogue uses continuous data. For example, a clock hand shows the time, with a smoothly moving seconds hand.
b)
Analogue uses discrete data, which has two states, either on or off.  This is represented by a 1 or a 0.
135.
Define the term 'digital'.
a)
Digital uses continuous data. For example, a clock hand shows the time, with a smoothly moving seconds hand.
b)
Digital uses discrete data, which has two states, either on or off.  This is represented by a 1 or a 0.
136.
What letters does hexadecimal use?
a)
A-F
b)
A-D
c)
P-W
d)
A-Z
137.
What does 'A' equal in denary?
a)
8
b)
9
c)
10
d)
11
138.

A cipher is _________________________.

a)

a person who makes up secret codes

b)

an algorithm that is used to scramble text so that it can be passed in secret

c)

a lock that can be used to lock a message in a lock box

d)

any puzzle, such as a crossword or Sudoku puzzle

139.

Encrypt the word alphabet using a Caesar cipher with a shift of 3

a)

DVSDULQV

b)

DOOFOHDU

c)

DOSKDEHW

d)

DORQHBHV

140.

The following word was encrypted using a Caesar cipher with a shift of 2: ecguct. What word is it?

a)

julius

b)

caesar

c)

romans

d)

cipher

141.
A tool used to organize, store, retrieve, and communicate groups of related information. 
a)
Spreadsheet
b)
Word
c)
Presentations
d)
Database
142.
Columns are called...
a)
rows
b)
fields
c)
table
d)
form
143.
A complete description of the fields related to one item in a table.
a)
record
b)
field
c)
table
d)
entry
144.
What does the term volatile mean in relation to memory?
a)
All content is stored even when power is switched off
b)
There is a danger of fire
c)
All content is lost when power is switched off.
d)
All information and programs are permanently stored

Similar Resources on Wayground

Conversion Quiz

149 questions

Conversion Quiz

quiz

Worksheet

•

9th - 12th Grade

Tong hop Vui

139 questions

Tong hop Vui

quiz

Worksheet

•

1st - 12th Grade

Trắc nghiệm cơ bản – Đề 16

149 questions

Trắc nghiệm cơ bản – Đề 16

quiz

Worksheet

•

9th Grade

Aligning Values with Financial Decisions

141 questions

Aligning Values with Financial Decisions

quiz

Worksheet

•

7th Grade - University

BIOS/UEFI TEST

149 questions

BIOS/UEFI TEST

quiz

Worksheet

•

9th - 12th Grade