WorksheetsBinary, Denary & Hex
Total questions: 15
Worksheet time: 9mins
Name
Class
Date
1.
Which of these are binary digits?
a)
0
b)
1
c)
2
d)
3
2.
Which of these are hexadecimal digits?
a)
F
b)
G
c)
6
d)
0
e)
H
3.
How many different values can be represented using 8 bits?
a)
128
b)
255
c)
256
d)
999
4.
What is the binary equivalent of the hexadecimal digit E?
a)
1110
b)
1111
c)
0110
d)
0111
5.
Hexadecimal is used because...
a)
It takes up less space
b)
It is easier for computers to process
c)
It is easier for people to read
d)
It is quicker to write data in
6.
How many bits make a byte?
a)
2
b)
4
c)
8
d)
16
7.
Convert 128 to binary
a)
10000000
b)
01111110
c)
10000001
d)
11001100
8.
Convert the binary number 11000011 to Hex
a)
11
b)
A2
c)
C3
d)
D4
9.
Which number system are these examples of?
2A 7F 1C
2A 7F 1C
a)
Binary
b)
Denary
c)
Hexadecimal
10.
Convert the hex number into binary:
3f
a)
1100 1111
b)
1010 1111
c)
1110 1111
d)
0011 1111
11.
If 1 and 0 mean on and off. Is the number 1 on or off?
a)
ON
b)
OFF
12.
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
13.
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.
14.
Which group are in the correct ascending order?
a)
Kilobyte
Megabyte
Terabyte
Gigabyte
Megabyte
Terabyte
Gigabyte
b)
Megabyte
Kilobyte
Gigabyte
Terabyte
Kilobyte
Gigabyte
Terabyte
c)
Kilobyte
Megabyte
Gigabyte
Terabyte
Megabyte
Gigabyte
Terabyte
d)
Megabyte
Gigabyte
Terabyte
Kilobyte
Gigabyte
Terabyte
Kilobyte
15.
How many Byte are in a Megabyte?
a)
1,000
b)
1,000,000
c)
1,000,000,000
100 %
