WorksheetsBinary Basics
Total questions: 28
Worksheet time: 56mins
Name
Class
Date
1.
Convert 128 to binary
a)
10000000
b)
01111110
c)
10000001
d)
11001100
2.
Convert 65 to binary
a)
01100001
b)
00100001
c)
01000001
d)
00100101
3.
Convert 254 to binary
a)
11110000
b)
11111100
c)
11111111
d)
11111110
4.
Convert 37 to binary
a)
00100101
b)
00100011
c)
00100111
d)
01000101
5.
Convert 196 to binary
a)
11000110
b)
11100100
c)
11000100
d)
11010100
6.
Convert 00010001 to decimal
a)
17
b)
27
c)
37
d)
47
7.
Convert 11001100 to decimal
a)
224
b)
134
c)
104
d)
204
8.
Convert 11111111 to decimal
a)
255
b)
245
c)
235
d)
225
9.
Convert 00100100 to decimal
a)
26
b)
36
c)
46
d)
56
10.
Convert 01000100 to decimal
a)
58
b)
68
c)
78
d)
88
11.
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
12.
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
13.
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
14.
How is our number system different from the binary system?
a)
Our number system is base-5; the binary system is base-3
b)
Our number system is base-10; the binary system is base-2
c)
Our number system is base-10; the binary system is base-1
d)
Our number system is base 100; the binary system is base-2
15.
How would you write the number two in binary?
a)
1001
b)
0001
c)
0000
d)
0010
16.
How high can you count in binary?
a)
As high as you want
b)
Up to 100
c)
Up to 2
d)
Up to one million
17.
There is a type of star system called a binary star. What can you infer from its name?
a)
It is an extremely complicated star system
b)
It contains a series of switches
c)
It is a computerized star system
d)
It contains two stars
18.
How would you write the number 4 in binary code?
a)
0100
b)
0000
c)
0001
d)
0010
19.
What is binary?
a)
A part of a computer
b)
The way computers talk to each other
c)
A computer program
d)
Software for a computer
20.
What are the first 5 binary numbers?
a)
1, 10, 11, 100, 101
b)
1, 11, 111, 100, 110
c)
1, 10, 11, 101, 111
d)
1, 10, 100, 101, 110
21.
If 1000 in binary represents 8 in decimal, what binary numbers represent 9, 10, and 11?
a)
1001, 1010, 1011
b)
1100, 1110, 1111
c)
1001, 1011, 1111
d)
1001, 1010, 1100
22.
What binary number comes after 110011 ?
a)
110100
b)
110111
c)
110101
d)
1100110
23.
What binary number comes after 1111 ?
a)
11110
b)
1000
c)
10000
d)
1110
24.
What binary number comes after 10110 ?
a)
10111
b)
11000
c)
10101
d)
11001
25.
What is the decimal equivalent to 10101 ?
a)
21
b)
28
c)
42
d)
13
26.
What is the decimal equivalent to 11000 ?
a)
24
b)
48
c)
18
d)
14
27.
What is the binary equivalent to 7?
a)
111
b)
101
c)
1001
d)
1111111
28.
What is the binary for 10?
a)
1001
b)
1111
c)
1010
d)
0011
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