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WorksheetsY9 Binary
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
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
2.
Which of these is the correct sequence for the place values for binary numbers?
a)
1, 2, 4, 8, 16, 32, 64, 128
b)
1, 2, 4, 6, 8, 10, 12, 14, 16
c)
1, 2, 3, 4, 5, 6, 7, 8
d)
0, 1
3.
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
4.
What kind of data does a computer represent with binary?
a)
numbers
b)
letters
c)
pictures
d)
all of the above
5.
What kind of 'base' system is binary known as?
a)
Base 12
b)
Base 8
c)
Base 2
d)
Base 10
6.
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
7.
11111 can be read as what decimal number?
a)
31
b)
10
c)
18
d)
63
8.
Convert 65 to binary
a)
1000001
b)
1000010
c)
1000011
d)
1100010
9.
Convert this to a decimal number
a)
13
b)
12
c)
10
d)
8
10.
Which number system has ten possible values, 0 through 9, for a single digit?
a)
binary
b)
decimal
c)
hexadecimal
d)
ASCII
11.
The binary number 100111, when converted to base-10 is ___
a)
4
b)
23
c)
39
d)
43
12.
The binary number 101010, when converted to base-10 is ___
a)
28
b)
30
c)
36
d)
42
13.
In a binary table starting at 1, when we move to the next column on the left, we ____________ the value of the column.
a)
halve
b)
square
c)
double
d)
triple
e)
hash
14.
How do we show the number 28 in binary?
a)
00101010
b)
00011001
c)
00011100
d)
00110011
15.
The number 54 in binary is:
a)
00110110
b)
36
c)
00110101
d)
00101001
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