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WorksheetsHomework 28/11/2021
Total questions: 23
Worksheet time: 17mins
Name
Class
Date
1.
Calculate the binary addition:
01
11
Use binary addition rules + whiteboards!
01
11
Use binary addition rules + whiteboards!
a)
101
b)
11
c)
111
d)
100
2.
Calculate the binary addition:
1001
1011
Use binary addition rules + whiteboards!
1001
1011
Use binary addition rules + whiteboards!
a)
10100
b)
010101
c)
011100
d)
01010011
3.
Calculate the binary addition:
01101111
01101111
Use binary addition rules + whiteboards!
01101111
01101111
Use binary addition rules + whiteboards!
a)
11011110
b)
11011111
c)
11111110
d)
11111110
4.
Calculate the binary addition:
01111111
01111101
Use binary addition rules + whiteboards!
01111111
01111101
Use binary addition rules + whiteboards!
a)
11111101
b)
11111100
c)
11011100
d)
11011100
5.
What is B in denary
a)
10
b)
11
c)
12
d)
13
6.
What is E in denary
a)
10
b)
12
c)
14
d)
16
7.
12 in denary is what in Hex?
a)
A
b)
B
c)
C
d)
D
8.
15 in denary is what in Hex?
a)
A
b)
B
c)
E
d)
F
9.
What is 0111 in hex
a)
E
b)
A
c)
7
d)
3
10.
What is A in binary
a)
1111
b)
0101
c)
1010
d)
0110
11.
What is 1011 in hex
a)
B
b)
C
c)
D
d)
E
12.
What is D in binary
a)
1111
b)
1101
c)
1011
d)
0111
13.
Who uses Hexadecimal?
a)
Computers
b)
Humans
c)
Robots
14.
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
15.
The 0's and 1's are known as
a)
binary.
b)
computer talk.
c)
code.
d)
the matrix.
16.
Quality of an image depends on:
a)
Resolution
b)
Metadata
c)
Screen size
d)
Computer's speed
17.
The density of pixels in an image file is known as:
a)
Resolution
b)
Dimensions.
c)
Transparency.
d)
Compression.
18.
Resolution is measured in:
a)
Pixels per mm or per inch
b)
Print size.
c)
Milimeters.
d)
Bytes.
19.
Colour depth refers to:
a)
How many bits are used in a file to store colour information in every pixel
b)
Resolution divided by the number of colours in an image.
c)
Degree of file compression applied to an image file.
d)
Repeated resampling of an image.
20.
How is all types of data represented in a computer?
a)
Sound
b)
Hex
c)
Binary
d)
English
21.
What is real life sound known as?
a)
Analogue Sound
b)
Digital Sound
22.
How is sound stored on a computer
a)
Digital
b)
Analogue
23.
What is the process called for converting analogue sound into binary (digital format)?
a)
Conversions
b)
Sampling
c)
Bit Rate
d)
Converting
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