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WorksheetsNumber System
Total questions: 10
Worksheet time: 11mins
Name
Class
Date
1.
Change 5/8 into a decimal.
a)
1.6
b)
5.8
c)
.58
d)
.625
2.
Convert 128 to binary
a)
10000000
b)
01111110
c)
10000001
d)
11001100
3.
Convert 11111111 to decimal
a)
255
b)
245
c)
235
d)
225
4.
Which of these are the correct place values for binary?
a)
128,64,32,16,8,4,2,1
b)
128, 68,34,12,6,4,2,1
c)
1,0
d)
0,1
5.
How would you write the number two in binary?
a)
1001
b)
0001
c)
0000
d)
0010
6.
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.
7.
Convert 37 to binary
a)
00100101
b)
00100011
c)
00100111
d)
01000101
8.
Convert 00100100 to decimal
a)
26
b)
36
c)
46
d)
56
9.
ASCII is:
a)
a numerical system that has 2 rather than 10 as a base.
b)
the most common format for text files in computers and on the Internet
10.
ASCII is pronounced:
a)
Ask-ee
b)
A-skee
c)
A-skews-me
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