WorksheetsYear 8 Binary Decimal and Hex L3
Total questions: 10
Worksheet time: 9mins
Name
Class
Date
1.
Convert 199 into hexadecimal
a)
1100 0111 Answer = C7
b)
1110 0111 Answer = E7
c)
0111 1100 Answer = 7C
d)
0111 1110 Answer = 7E
2.
Convert the hex number 79 into decimal
a)
0111 1001 Answer = 121
b)
1001 0111 Answer = 151
c)
0100 1111 Answer = 4F
d)
1111 0100 Answer = F4
3.
Convert the bit pattern shown into decimal
a)
107
b)
108
c)
109
d)
110
4.
Convert the bit pattern shown into hexadecimal
a)
6A
b)
6B
c)
6C
d)
6D
5.
Convert the hexadecimal number 5E into decimal
a)
0101 1110 --> 93
b)
0101 1110 --> 94
c)
0101 1110 --> 95
d)
0101 1110 --> 96
6.
What is the maximum hexadecimal number you can have with 8 bit binary?
a)
EE
b)
GG
c)
FF
d)
AA
7.
Convert 245 into hexadecimal
a)
1111 1100
b)
1111 0101
c)
1111 1010
d)
1010 1111
8.
Fill in the blank to complete the sentence - "Hexadecimal is preferred by programmers because it is (a) to write and type than long binary numbers"
9.
Write in the correct number - Hexadecimal is a Base (a) number system
10.
When you convert the decimal number 150 into hexadecimal, you get A6 - is this correct? Please explain your answer
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