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WorksheetsData Representation
Total questions: 13
Worksheet time: 6mins
Name
Class
Date
1.
The smallest unit of data stored in an image file is called:
a)
Pixels
b)
Resolution
c)
Alpha
d)
Bitmap.
2.
Bitmap graphics are made up of
a)
dots.
b)
images.
c)
mathematics formulas.
d)
coloured pixels.
3.
A character set is...
a)
What language can be used in a computer system.
b)
The fonts that a computer has installed.
c)
The possible characters that can be represented by a computer system.
4.
The (standard) ASCII code is capable of representing non-European languages.
a)
True
b)
False
5.
Convert the binary number 1001 to denary.
a)
4
b)
5
c)
9
d)
11
6.
Convert the binary number 1110 to denary.
a)
3
b)
10
c)
15
d)
14
7.
Convert the binary number 1010 to denary.
a)
8
b)
10
c)
9
d)
7
8.
Convert the denary number 4 to binary.
a)
1000
b)
0101
c)
0010
d)
0100
9.
Convert the denary number 14 to binary.
a)
1110
b)
1100
c)
1011
d)
0101
10.
What can a bit hold?
a)
1 and 0
b)
1 or 0
11.
How many bits are in a byte?
a)
4
b)
2
c)
8
d)
10
12.
How many bits are in a nibble?
a)
8
b)
4
c)
2
d)
10
13.
How many bytes are in a kilobyte?
a)
1024
b)
100
c)
1234
d)
128
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