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WorksheetsBinary and Decimal Conversion
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
The smallest unit of data that use is:
a)
a bit
b)
a byte
c)
a gigabyte
d)
a megabyte
2.
1101 to decimal
a)
15
b)
11
c)
12
d)
13
3.
1011 to decimal
a)
15
b)
11
c)
12
d)
13
4.
11101 to decimal
a)
23
b)
27
c)
29
d)
30
5.
16 to binary
a)
10000
b)
1111
c)
1000
d)
111
6.
28 to binary
a)
11100
b)
11001
c)
10011
d)
00111
7.
64 to binary
a)
1000 0000
b)
0100 0000
c)
0010 0000
d)
0001 0000
8.
11011 to decimal
a)
23
b)
27
c)
30
d)
31
9.
What are the only two numbers you can use in binary?
a)
0 and 1
b)
1 and 2
c)
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
d)
1, 2, 4, 8, 16
10.
What is 1111 converted into denary?
a)
15
b)
16
11.
Computers store all data using...
a)
Binary
b)
Hexadecimal
c)
Denary
d)
Octal
12.
Decimal _______ = Binary 10101
a)
22
b)
34
c)
21
d)
18
13.
If a binary number ends with a 1, it must be...
a)
An odd number
b)
An even number
c)
A prime number
d)
The number 12
14.
If 1 and 0 mean on and off. Is the number 1 on or off?
a)
ON
b)
OFF
15.
How many bits make a byte?
a)
2
b)
4
c)
8
d)
16
16.
Which of these is the correct sequence for the place values for binary numbers?
a)
1, 2, 4, 8, 16, 32, 64, 128
b)
1, 2, 4, 6, 8, 10, 12, 14, 16
c)
1, 2, 3, 4, 5, 6, 7, 8
d)
0, 1
17.
Convert 01000100 to decimal
a)
58
b)
68
c)
78
d)
88
18.
What is the denary number system?
a)
It counts the number of dens
b)
Our usual base 10 number system
c)
A special number system for computers
d)
Den Ary's number system
19.
What kind of 'base' system is binary known as?
a)
Base 12
b)
Base 8
c)
Base 2
d)
Base 10
20.
Denary is numbers humans use in every day life
a)
True
b)
False
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