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WorksheetsYear11Revision
Total questions: 58
Worksheet time: 54mins
Name
Class
Date
1.
Convert 65 to binary
a)
01100001
b)
00100001
c)
01000001
d)
00100101
2.
Convert 37 to binary
a)
00100101
b)
00100011
c)
00100111
d)
01000101
3.
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
4.
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
5.
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
6.
How would you write the number two in binary?
a)
1001
b)
0001
c)
0000
d)
0010
7.
Computers can only understand 0s and 1s.
a)
True
b)
False
8.
How would you write the number 4 in binary code?
a)
0100
b)
0000
c)
0001
d)
0010
9.
8 bytes = 1 bit
a)
TRUE
b)
FALSE
10.
Convert 00010001 to decimal
a)
17
b)
27
c)
37
d)
47
11.
Convert 11001100 to decimal
a)
224
b)
134
c)
104
d)
204
12.
Convert the hexadecimal number C9 to binary
a)
1100 1001
b)
1100 1000
c)
1100 1010
d)
1100 0101
13.
What letters does hexadecimal use?
a)
A-F
b)
A-D
c)
P-W
d)
A-Z
14.
How many bits is a nibble made up of?
a)
1
b)
2
c)
3
d)
4
15.
What does 'F' equal in denary?
a)
14
b)
15
c)
16
d)
17
16.
What number in hexadecimal comes after 7F?
a)
80
b)
8F
c)
7G
d)
8A
17.
Calculate the binary addition:
01
11
Use binary addition rules + whiteboards!
01
11
Use binary addition rules + whiteboards!
a)
101
b)
11
c)
111
d)
100
18.
Calculate the binary addition:
1001
1011
Use binary addition rules + whiteboards!
1001
1011
Use binary addition rules + whiteboards!
a)
10100
b)
010101
c)
011100
d)
01010011
19.
Calculate the binary addition:
1111
1011
Use binary addition rules + whiteboards!
1111
1011
Use binary addition rules + whiteboards!
a)
110101
b)
11110
c)
11011
d)
11010
20.
Calculate the binary addition:
01111
11011
Use binary addition rules + whiteboards!
01111
11011
Use binary addition rules + whiteboards!
a)
1010100
b)
101110
c)
111010
d)
101010
21.
Calculate the binary addition:
01111
11011
Use binary addition rules + whiteboards!
01111
11011
Use binary addition rules + whiteboards!
a)
101010
b)
11101001
c)
11001011
d)
1010101111
22.
Calculate the binary addition:
01100000
01101001
Use binary addition rules + whiteboards!
01100000
01101001
Use binary addition rules + whiteboards!
a)
11001001
b)
11101001
c)
11001011
d)
1010101111
23.
Calculate the binary addition:
01111111
01111101
Use binary addition rules + whiteboards!
01111111
01111101
Use binary addition rules + whiteboards!
a)
11111101
b)
11111100
c)
11011100
d)
11011100
24.
Calculate the binary addition:
00111011
00110011
Use binary addition rules + whiteboards!
00111011
00110011
Use binary addition rules + whiteboards!
a)
01101111
b)
01111110
c)
01101110
d)
11111110
25.
Calculate the binary addition:
Use binary addition rules + whiteboards!
Use binary addition rules + whiteboards!
a)
10100100
b)
10010100
c)
11000100
d)
01011110
26.
What is the output of an OR gate if the inputs are 1 and 0?
a)
0
b)
1
c)
OFF
d)
2
27.
What is the output of an AND gate if the inputs are 1 and 0?
a)
ON
b)
2
c)
1
d)
0
28.
What is the output of a NOT gate if the inputs is 0?
a)
1
b)
0
c)
OFF
d)
2
29.
A NOT gate has…
a)
Two inputs and one output
b)
One input and one output
c)
One input and two outputs
d)
Two inputs and two outputs
30.
An OR gate has
a)
Two inputs and one output
b)
One input and one output
c)
One input and two outputs
d)
Two inputs and two outputs
31.
A logic state can only be….
a)
On or 1
b)
Off or 1
c)
1 or 0
d)
In and Out
32.
The output of a ________ gate is only 1 when both inputs are 1.
a)
OR
b)
NOT
c)
NAND
d)
AND
33.
What logic gate is this?
a)
AND
b)
OR
c)
NOT
d)
TO
34.
What gate is this table for?
a)
AND
b)
OR
c)
NOT
d)
NOR
35.
What gate is this truth table for?
a)
AND
b)
OR
c)
NOT
d)
THE
36.
What gate is this table for?
a)
AND
b)
XOR
c)
OR
d)
NOT
37.
Which logic gate is this?
a)
AND
b)
OR
c)
XOR
d)
NOT
38.
What logic gate is this?
a)
AND
b)
OR
c)
NOT
d)
THE
39.
A truth table lists every possible combination of input and the resulting output
a)
True
b)
False
40.
Which is the truth table for the AND gate?
a)
b)
c)
d)
e)
41.
Which is the truth table for the XOR gate?
a)
b)
c)
d)
e)
42.
Which truth table is correct for this logic gate?
a)
b)
c)
d)
e)
43.
Which is the truth table for this logic gate?
a)
b)
c)
d)
e)
44.
Which logic gate is represented by this truth table?
a)
b)
c)
d)
45.
Choose the best answer about character sets:
a)
All characters in character sets are stored in binary.
b)
Some characters in character sets are stored in binary.
c)
Only binary characters in character sets are stored in binary.
46.
The following is true about character sets:
a)
Each letter has a unique code
b)
Lower and upper case letters share the same codes
c)
ASCII is one of the latest character sets to be adopted
47.
The main purpose of character sets is:
a)
To allow humans to express alphanumeric characters in a binary table
b)
To run the Internet
c)
To simplify computer programming
48.
Unicode can represent:
a)
65,536 different characters
b)
255 characters
c)
127 characters
49.
ASCII uses one byte per character. Unicode uses how many bytes per character?
a)
2 bytes per character.
b)
3 bytes per character.
c)
4 bytes per character.
50.
1 Megabyte contains...
a)
1,000,000 Bytes
b)
1,000,000 Bits
c)
1,000,000 Kilobytes
d)
1,000,000 Kilobits
51.
Which of the following are equal to 1 Gigabyte
a)
1,000 Kilobytes
b)
1,000 Megabytes
c)
8,000 Megabits
d)
80,000 Kilobits
52.
What is the largest decimal number that can be represented by 8 bits?
a)
64
b)
127
c)
255
d)
256
53.
Convert 1011 to decimal...
a)
8
b)
9
c)
10
d)
11
54.
Convert A6 to Binary...
a)
1001 0110
b)
1010 1001
c)
1010 0110
d)
1111 1001
55.
Why do we use Hexadecimal?
a)
Each hexadecimal digit represents a nibble
b)
It's easier for humans to read than binary
c)
Computers use Hexadecimal so we can use it too
d)
It uses up less memory than decimal
56.
The term OS is short for?
a)
Apple
b)
Operating Software
c)
Operating System
d)
Overload System
57.
Function of system software is to serve as the _________ between the user, the application software, and the computer’s hardware
a)
interface
b)
program
c)
application
d)
server
58.
When the OS creates temporary RAM on the Hard Drive it is known as...
a)
Virtual Memory
b)
Cache
c)
Registering
d)
Defragmenting
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