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WorksheetsBinary To Denary
Total questions: 11
Worksheet time: 13mins
What is a binary number?
Two people walking in pairs
A pair of numbers in a table
A number system that only uses two digits: 1 and 0.
Two canaries
Computers use binary to (a) data.
The binary system is known as a ‘base 2’ system. This is because:
There are only two options
There are only two digits to select from (1 and 0)
2 is a lucky number
Data is converted using the power of two.
What is the binary number 0110 in decimal?
6
4
10
2
What is the binary number 1111 in decimal?
6
4
15
44
(a) is the number system most commonly used by people.
How many digits can the denary system use?
2
4
10
100
A denary number is also known as ............ or base 10.
denary
decimal
ascii
decametre
What is the denary number 9 in binary?
111
1011
1001
1111
What is the denary number 4 in binary?
1111
1001
1111
0100
Work out the denary number for this binary number.
168
201
128
169
