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Worksheetsbinary
Total questions: 14
Worksheet time: 12mins
Name
Class
Date
1.
Convert 128 to binary
a)
10000000
b)
01111110
c)
10000001
d)
11001100
2.
Convert 11111111 to decimal
a)
255
b)
245
c)
235
d)
225
3.
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
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.
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
6.
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
7.
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
8.
How would you write the number two in binary?
a)
1001
b)
0001
c)
0000
d)
0010
9.
Computers can only understand 0s and 1s.
a)
True
b)
False
10.
Binary is made up of which numbers
a)
3 and 4.
b)
2 and 3.
c)
1 and 2.
d)
0 and 1.
11.
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.
12.
A group of 8 bits is known as a gigabyte.
a)
True
b)
False
13.
8 bytes = 1 bit
a)
TRUE
b)
FALSE
14.
How would you write the number 4 in binary code?
a)
0100
b)
0000
c)
0001
d)
0010
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