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Worksheets

Logic Gates

Total questions: 42

Worksheet time: 21mins

Name
Class
Date
1.

Which logic gate is this?

a)

AND

b)

OR

c)

XOR

d)

NOT

2.
What logic gate is this?
a)
AND 
b)
OR 
c)
NOT 
d)
THE
3.

What type of logic is this table showing:

a)

AND

b)

OR

c)

NOT

d)

NOR

4.

What type of logic is this table showing:

a)

AND

b)

OR

c)

NOR

d)

XOR

5.
What gate is this truth table for?
a)
AND
b)
OR
c)
NOT
d)
THE 
6.

What will the circuit's output be?

a)

1

b)

0

7.

What will the circuit's output be?

a)

1

b)

0

8.

What will the circuit's output be?

a)

1

b)

0

9.

What will the circuit's output be?

a)

1

b)

0

10.

What will the circuit's output be?

a)

1

b)

0

11.

What gate does this logic symbol represent?

a)

AND

b)

NOT

c)

OR

d)

THE

12.

What logic gate has this truth table?

a)

NOT

b)

THE

c)

AND

d)

OR

13.

What logic gate has the truth table shown above?

a)

NOT

b)

THE

c)

AND

d)

OR

14.

Which is the truth table for the AND gate?

a)
b)
c)
d)
e)
15.

Which is the truth table for the XOR gate?

a)
b)
c)
d)
e)
16.

Which truth table is correct for this logic gate?

a)
b)
c)
d)
e)
17.

Which is the truth table for this logic gate?

a)
b)
c)
d)
e)
18.

Which logic gate is represented by this truth table?

a)
b)
c)
d)
19.

Which logic gate is represented by this truth table?

a)
b)
c)
d)
20.

Two transistors in series is a:

a)

Not Gate

b)

AND Gate

c)

OR Gate

d)

NAND Gate

21.

Two transistors in parallel is a:

a)

Not Gate

b)

AND Gate

c)

OR Gate

d)

NAND Gate

22.
Convert 128 to binary
a)
10000000
b)
01111110
c)
10000001
d)
11001100
23.
Convert 11111111 to decimal
a)
255
b)
245
c)
235
d)
225
24.
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
25.

Which of these are the correct place values for binary?

a)

128,64,32,16,8,4,2,1

b)

128, 68,34,12,6,4,2,1

c)

1,0

d)

0,1

26.
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
27.
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
28.
Convert 196 to binary
a)
11000110
b)
11100100
c)
11000100
d)
11010100
29.
Convert 00100100 to decimal
a)
26
b)
36
c)
46
d)
56
30.

What is B in denary

a)

10

b)

11

c)

12

d)

13

31.

What is E in denary

a)

10

b)

12

c)

14

d)

16

32.

What is 0111 in hex

a)

E

b)

A

c)

7

d)

3

33.

What is A in binary

a)

1111

b)

0101

c)

1010

d)

0110

34.

What is D in binary

a)

1111

b)

1101

c)

1011

d)

0111

35.

Who uses Hexadecimal?

a)

Computers

b)

Humans

c)

Robots

36.
Convert the Hex number B9 to binary.
a)
10111001
b)
10111000
c)
10111101
d)
10101001
37.
Convert the Hex number 1F to binary.
a)
00111111
b)
00001111
c)
00010111
d)
00011111
38.

How many different values can be represented using 8 bits?

a)

128

b)

255

c)

256

d)

999

39.
Convert the binary number 11010110 to Hex
a)
A3
b)
B4
c)
C5
d)
D6
40.

11010111 in binary is...

a)

ODD

b)

EVEN

41.

How many nibbles are there in a byte?

a)

1

b)

2

c)

4

d)

8

42.

Smallest to largest, which of the below answers is correct?

a)

bit, nibble,byte,megabyte,kilobyte,terabyte,petabyte

b)

nibble, bit,byte,kilobyte,megabyte,terabyte,petabyte

c)

bit,byte,nibble,kilobyte,megabyte,petabyte,terabyte

d)

bit, nibble,byte,kilobyte,megabyte,terabyte,petabyte