wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Y11 DataRep Revision mmd

Total questions: 92

Worksheet time: 58mins

Name
Class
Date
1.
What is the output of an OR gate if the inputs are 1 and 0?
a)
0
b)
1
c)
OFF
d)
2
2.
What is the output of an AND gate if the inputs are 1 and 0?
a)
ON
b)
2
c)
1
d)
0
3.
What is the output of a NOT gate if the inputs is 0?
a)
1
b)
0
c)
OFF
d)
2
4.
A NOT gate has…
a)
Two inputs and one output
b)
One input and one output
c)
One input and two outputs
d)
Two inputs and two outputs
5.
An OR gate has
a)
Two inputs and one output
b)
One input and one output
c)
One input and two outputs
d)
Two inputs and two outputs
6.
The output of any logic gate can have either of two _________ ?
a)
Gates
b)
States
c)
Inputs
d)
Outputs
7.
A logic state can only be….
a)
On or 1
b)
Off or 1
c)
1 or 0
d)
In and Out
8.
The output of a ________ gate is only 1 when both inputs are 1.
a)
OR
b)
NOT
c)
NAND
d)
AND
9.
What logic gate is this?
a)
AND
b)
OR 
c)
NOT
d)
TO
10.
What gate is this table for?
a)
AND
b)
OR
c)
NOT
d)
NOR
11.
What gate is this truth table for?
a)
AND
b)
OR
c)
NOT
d)
THE 
12.
What gate is this table for?
a)
AND
b)
XOR
c)
OR 
d)
NOT
13.

Which logic gate is this?

a)

AND

b)

OR

c)

XOR

d)

NOT

14.
What logic gate is this?
a)
AND 
b)
OR 
c)
NOT 
d)
THE
15.
A truth table lists every possible combination of input and the resulting output
a)
True
b)
False
16.

What is the function of a NOT gate?

a)

Inverts its input

b)

Outputs 1 if both inputs are 1

c)

Prevents errors

d)

Outputs 0 if both inputs are 0

17.

What is the output Y of this logic cricuit if A = 1, B = 1, and C = 1

a)

0

b)

1

18.
A AND B = Q, If A=1 and B=1 what does Q equal?
a)
1
b)
0
19.
NOT A = Q, if A equals 1 what does Q equal?
a)
0
b)
1
20.
(NOT A) AND B = Q, If A=0 and B = 1, what does Q equal?
a)
1
b)
0
21.
NOT(A OR B) = Q, if A=0 and B=0, what does Q equal?
a)
1
b)
0
22.
(C AND D) OR (NOT(A OR B)) = Q, If A=1, B=1, C=0 and D=1, what does Q equal?
a)
0
b)
1
23.

Which logic gate is represented by this truth table?

a)
b)
c)
d)
24.

Which logic gate is represented by this truth table?

a)
b)
c)
d)
25.

Which logic gate is represented by this truth table?

a)
b)
c)
d)
26.

Which logic gate is represented by this truth table?

a)
b)
c)
d)
27.

Which logic gate is represented by this truth table?

a)
b)
c)
d)
28.

4

a)

100

b)

101

c)

110

d)

111

29.

1100

a)

12

b)

13

c)

14

d)

15

30.

15

a)

1100

b)

1101

c)

1110

d)

1111

31.
Convert 128 to binary
a)
10000000
b)
01111110
c)
10000001
d)
11001100
32.
Convert 11111111 to decimal
a)
255
b)
245
c)
235
d)
225
33.
A bit is 
a)
a numerical label assigned to each device.
b)
the smallest unit of data in a computer.
c)
a keyboarding term for typing.
d)
is a numeral system made up of 16 symbols.
34.
A group of 8 bits is known as a gigabyte.
a)
True
b)
False
35.

What is 1010 + 0101?

a)

1011

b)

1001

c)

1111

d)

0111

36.

What is 00111011 + 00110011

a)

01101111

b)

01111110

c)

01101110

d)

11111110

37.
Add 3 binary numbers?
0100 0111
0000 1111
0001 1111
a)
0111 0101
b)
0010 1001
c)
0011 1111
d)
0010 0101
38.

Left Binary Shifts

a)

Multiply

b)

Divide

39.

Right Binary Shifts

a)

Multiply

b)

Divide

40.

Moving one place right will

a)

Multiply numbers by 4

b)

Divide numbers by 4

c)

Multiply numbers by 2

d)

Divide numbers by 2

41.

A two place left shift on 00001001

a)

10101110

b)

00000010

c)

00100100

d)

00010010

42.

Moving one place left will

a)

Multiply numbers by 4

b)

Divide numbers by 4

c)

Multiply numbers by 2

d)

Divide numbers by 2

43.

A two place right shift on 01001110

a)

00010011

b)

00000010

c)

00100100

d)

00010010

44.

Doing a 3 bit logical right shift has what effect?

a)

Divides by 2

b)

Divides by 4

c)

Divides by 6

d)

Divides by 8

45.
Which does not affect playback quality of a sound file?
a)
Amplitude
b)
Bit rate
c)
Sample frequency
d)
Sample resolution
46.
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 
47.
Compression helps when sending files over the Internet because...
a)
Less packets have to be sent so it is quicker
b)
Lossy compression is better
c)
Routers can recognise zipped files
d)
Lossless compression is better
48.
What is the biggest number that can be stored as 8 bits?
a)
255
b)
256
c)
8
d)
16
49.
The ASCII code for a letter A is 01000001 what is the code for a C
a)
01000011
b)
01100001
c)
11000011
d)
01001001
50.
Which of these statements about Unicode characters is true?
a)
Normally expressed in 4 bytes
b)
Normally expressed in 8 bits
c)
They were invented by unicorns
d)
They take up less storage space than ASCII codes
51.
What is a pixel?
a)
Tiny squares of colour on a screen.
b)
A fairy like creature thatlives in a forest.
c)
A whole picture.
d)
A binary code.
52.
When we have a 'one-bit' colour, which are the only two binary numbers that are possibilities?
a)
00 and 11
b)
000 and 111
c)
0 and 1
d)
0000 and 1111
53.
The colour of a pixel can be stored as a _______ number
a)
Unicode
b)
Hex
c)
Binary
d)
ASCII
54.
The higher the colour depth, the _________the image file size.
a)
Smaller
b)
Larger
55.
The higher the resolution, the ____ the file size.
a)
Smaller
b)
Larger
56.

Each pixel is represents in...

a)

Boolean

b)

random numbers

c)

binary

d)

sand

57.
What does colour depth mean?
a)
It refers to the number of bits used to represent the colour.
b)
It refers to how deep the colours go
c)
it refers to the number of bytes in the colours
58.
ASCII represents which of the following?
a)
characters, letters, symbols and signs
b)
letters, symbols and signs
c)
characters, letters and signs
d)
characters, letters and symbols
59.

What number system do we use in everyday life?

a)

Decimal

b)

Binary

c)

Octal

d)

Hexadecimal

60.
In Keira's picture from last lesson, what are the dimensions?
a)
12 x 18
b)
5 x 5
c)
15 x 20
61.
Including black and white, how many different colours did Keira use
a)
2
b)
3
c)
5
d)
6
62.
white = 001
yellow = 010
dark red = 011
white = 100
black = 101
what numbers represents this pixel?
a)
001
b)
1
c)
010
d)
11
63.
white = 001
yellow = 010
dark red = 011
white = 100
black = 101
what numbers for an eye?
a)
101 101
b)
100 100
c)
001 001
d)
011 011
64.
How many combinations are there for a '2 bit' colour?
a)
8
b)
4
c)
16
d)
32
65.
When you 'compress' a file, what happens?
a)
You squash your computer.
b)
The bitsize reduces and unnecessary information is removed.
c)
You put a flannel on your computer.
d)
The file size increases.
66.
What is the process called for  converting analogue sound into binary (digital format)?
a)
Conversions
b)
Sampling
c)
Bit Rate
d)
Converting
67.
What is sound measured in?
a)
Gigabytes
b)
bits
c)
Hertz
d)
Bytes
68.
The frequency of the sound is also known as the what?
a)
Court
b)
Pitch
c)
Tone
d)
Speed
69.
The height of a sound wave graph is related to what?
a)
Amplitude (loudness)
b)
Pace (speed)
c)
Key
d)
Tone
70.
The amplitude of sound is measured in normal denary numbers and converted into binary?
a)
True
b)
False
71.
What is the usual sample rate?
a)
20,000Hz
b)
48,000Hz
c)
3,000Hz
d)
50,000Hz
72.
What is a factor that effects the samples taken per second from an analogue sound wave?
a)
File Size
b)
Amplitude
c)
Tone
d)
Resolution
73.
Convert the Hex number DA to binary.
a)
11001010
b)
11011011
c)
11011010
d)
11011110
74.
Convert the Hex number B9 to binary.
a)
10111001
b)
10111000
c)
10111101
d)
10101001
75.
Convert the binary number 01010101 to Hex
a)
44
b)
55
c)
66
d)
77
76.
Convert the binary number 11000011 to Hex
a)
11
b)
A2
c)
C3
d)
D4
77.

Who uses Hexadecimal?

a)

Computers

b)

Humans

c)

Robots

78.

Why is hexadecimal used by humans

a)

It is easier to read

b)

it takes up less space on the page/screen

c)

it is easier to remember

d)

It is easier to type

e)

It saves space on the computer

79.
What is compression?
a)
To convert one file to another
b)
To reduce the size of data to save space
c)
To minimise the time taken for a file to be download
d)
To compress something by pressing it hard
80.
What does Lossy Compression do to files?
a)
Increases the file size and keeps the same quality
b)
Eliminates no information at all
c)
Decreases the file size and keeps the same quality
d)
Eliminates unnecessary information in a file to reduce file size
81.
What is Lossless Compression?
a)
No information is lost but file size is increased
b)
There is no loss of information at all after compression
c)
Files which have the exact same data after compression
d)
Compression involves an algorithm
82.
What type of compression does the ZIP format use?
a)
Lossy
b)
Lossless
83.
What type of compression would you use to compress a video?
a)
Lossy
b)
Lossless
84.
What type of compression would you use to compress a text file?
a)
Lossy
b)
Lossless
85.
When Lossy compression is used data is lost?
a)
True
b)
False
86.
Which of the following are not in a compressed format?
a)
JPEG
b)
MPEG
c)
Bitmap
d)
MP3
87.

Based on your experience with text compression, which of the following sentences would compress the BEST?

a)

The quick brown fox jumped over the lazy dog.

b)

Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo.

c)

How much wood would a woodchuck chuck if a woodchuck could chuck wood?

d)

JavaScript scripts are actually different scripts than Java scripts.

88.

I write a poem 100 characters long. I compress this to a string that is 30 characters long and a "key" that is 10 characters long. What is my % compression?

a)

30%

b)

70%

c)

40%

d)

60%

89.

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

a)

Images

b)

Sounds

c)

Videos

d)

Text

90.

Select the advantages for lossy compression

a)

Makes the file much smaller

b)

Will send much quicker

c)

A very simple algorithm

d)

The quality will not be affected much

91.

Select the advantages for lossless compression

a)

Makes the file much smaller

b)

Will send quicker

c)

A very simple algorithm

d)

The quality will not be affected much

92.

Which order is correct?

a)

Bit, Nybble, Byte, Kilobyte, Megabyte, Gigabyte, Terabyte

b)

Bit, Byte, Nybble, Megabyte, Kilobyte. Gigabyte, Terabyte

c)

Bit, Nybble, Byte, Megabyte, Kilobyte, Gigabyte, Terabyte

Similar Resources on Wayground

Hayfa - TIK PAS 2022

93 questions

Hayfa - TIK PAS 2022

quiz

Worksheet

•

4th Grade - University

VexExpMix

89 questions

VexExpMix

quiz

Worksheet

•

8th Grade

Post Exam Team Challenge Quizizz

96 questions

Post Exam Team Challenge Quizizz

quiz

Worksheet

•

8th Grade

Computer Science Pre-assessment

90 questions

Computer Science Pre-assessment

quiz

Worksheet

•

8th Grade