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WorksheetsBinary
Total questions: 12
Worksheet time: 9mins
Name
Class
Date
1.
Denary is numbers humans use in every day life
a)
True
b)
False
2.
Denary uses 11 different numbers
a)
True
b)
False
3.
Binary uses electrical signals
a)
True
b)
False
4.
Binary uses 1’s & 0’s to represent data
a)
True
b)
False
5.
What is 12 in binary?
a)
0010
b)
1010
c)
1100
d)
1111
6.
What is 3 in binary?
a)
0100
b)
0001
c)
0101
d)
0011
7.
Convert 128 to binary
a)
10000000
b)
01111110
c)
10000001
d)
11001100
8.
Convert 11111111 to decimal
a)
255
b)
245
c)
235
d)
225
9.
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
10.
What is the point of binary?
a)
It represents how computers interpret electrical signals
b)
Because we like to make you do extra maths ;-D
c)
For the lulz
d)
Because it describes star systems
11.
Computers can only understand 0s and 1s.
a)
True
b)
False
12.
Binary is made up of which numbers
a)
3 and 4.
b)
2 and 3.
c)
1 and 2.
d)
0 and 1.
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