Worksheets[AP CSP] Binary NUmbers
Total questions: 27
Worksheet time: 6hrs 46mins
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 11111111 to decimal
a)
255
b)
245
c)
235
d)
225
6.
Convert 00100100 to decimal
a)
26
b)
36
c)
46
d)
56
7.
Convert 01000100 to decimal
a)
58
b)
68
c)
78
d)
88
8.
Convert 11001100 to decimal
a)
224
b)
134
c)
104
d)
204
9.
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
10.
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
11.
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
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.
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
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.
Your computer's code for the letter A is 01000001. Can you infer what the letter B would be?
a)
10010
b)
01000010
c)
01010110
d)
00000001
16.
What is the main function of binary code?
a)
Turning switches on and off
b)
Allowing computers to represent and store data
c)
Providing a gateway into higher mathematics
d)
Allowing computers to interact with humans
17.
A group of 8 bits is known as a gigabyte.
a)
True
b)
False
18.
8 bytes = 1 bit
a)
TRUE
b)
FALSE
19.
What is the answer to 0110 + 0101?
a)
1011
b)
1101
c)
1110
d)
1111
20.
Convert 1F in Hexadecimal to Decimal
a)
31
b)
16
c)
23
d)
19
21.
Convert FF from Hexadecimal to Decimal
a)
255
b)
256
c)
250
d)
265
22.
Convert ABCD from Hexadecimal to Decimal
a)
42981
b)
43981
c)
44981
d)
45981
23.
Convert F1E2
a)
60922
b)
62922
c)
61922
d)
62922
24.
Add binary numbers shown.
a)
01111011
b)
01101111
c)
01111101
d)
01101101
25.
Add binary numbers shown?
a)
10010000
b)
10001000
c)
10000100
d)
10100000
26.
Add binary numbers shown?
a)
01011010
b)
10011010
c)
10010101
d)
10100010
27.
Add binary numbers shown?
a)
10100100
b)
10010100
c)
11000100
d)
01011110
100 %
