WorksheetsBinary representation revision
Total questions: 10
Worksheet time: 11mins
Name
Class
Date
1.
Convert the binary number 1010 to decimal.
a)
8
b)
10
c)
9
d)
7
2.
What is 54 in binary
a)
110110
b)
11011000
c)
10011101
d)
1111
3.
00010111 + 01001100 =
a)
1100011
b)
11100011
c)
1110001
d)
1111011
4.
11111111 + 00000001 =
a)
100000000
b)
0
c)
100000001
d)
11111111
5.
Which one is correct for 1 Terabyte?
a)
1024 Kilobytes
b)
1024 Gigabytes
c)
1024 Megabytes
6.
What is 127 in binary
a)
1111111
b)
10000000
c)
11011111
d)
11000010
7.
Which does not affect playback quality of a sound file?
a)
Amplitude
b)
Bit rate
c)
Sample frequency
d)
Sample resolution
8.
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
9.
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
10.
The ASCII code for a letter A is 01000001 what is the code for a C
a)
01000011
b)
01100001
c)
11000011
d)
01001001
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