Free Printable Logic gates

1.

Computers use logic gates to transform the 1s and 0s from input wires. A logic gate accepts inputs and then outputs a result based on their state

a)

Fasle

b)

True

2.

Which logic gate is this?

a)

AND

b)

OR

c)

NOT

d)

NAND

3.

Which logic gate is this?

a)

OR

b)

AND

c)

NOT

d)

NOR

4.

What will this gate's output be?

a)

0

b)

1

5.

What will this gate's output be?

a)

0

b)

1

6.

What type of logic gate is this table showing?

a)

OR

b)

AND

c)

NOT

7.

What type of logic gate is this table showing?

a)

NOT

b)

OR

c)

AND

d)

NAND

8.

Which logic gate is this?

a)

OR

b)

AND

c)

NOT

d)

NOR

9.

What will this gate's output be?

a)

1

b)

0

10.

How many different combinations of 1 and 0 are possible with 2 bits?

a)

1

b)

2

c)

3

d)

4

11.

.

How many different combinations of 1 and 0 are possible with 1 bit?

a)

1

b)

2

c)

3

d)

4

12.

How many different combinations of 1 and 0 are possible with 3 bits?

a)

4

b)

5

c)

6

d)

7

e)

8

13.

A=1

B=0

What is the value of Z?

a)

1

b)

0

14.

What will the circuit's output be?

a)

1

b)

0

15.

The simplest gate is the ......... gate, also known as an inverter. It accepts a single input and outputs the opposite value

a)

NOT

b)

AND

c)

NAND

d)

AND

16.

What kind of gate is this?

a)

AND

b)

NOT

c)

OR

d)

XOR

17.

What kind of gate is this?

a)

AND

b)

NAND

c)

OR

d)

XAND

18.

What kind of gate is this?

a)

OR

b)

XOR

c)

NOR

d)

AND

19.

What kind of gate is this?

a)

NOR

b)

NAND

c)

OR

d)

XOR

20.

What kind of gate is this?

a)

NAND

b)

AND

c)

NOR

d)

XAND

21.

What kind of gate is this?

a)

OR

b)

XOR

c)

NOR

d)

AND

22.

What kind of gate does this Truth Table represent?

a)

OR

b)

AND

c)

XOR

d)

NOT

23.

What kind of gate does this Truth Table represent?

a)

AND

b)

NOT

c)

OR

d)

NAND

24.

What kind of gate does this Truth Table represent?

a)

AND

b)

OR

c)

NOT

d)

NOR

25.

What kind of gate does this Truth Table represent?

a)

NOR

b)

NOT

c)

OR

d)

XOR

26.

What kind of gate does this Truth Table represent?

a)

XOR

b)

OR

c)

NOT

d)

AND

27.

What kind of gate does this Truth Table represent?

a)

NAND

b)

AND

c)

XAND

d)

OR

28.

Which logic gate is this?

a)

AND

b)

NOR

c)

NOT

d)

OR

29.

Which logic gate is this?

a)

AND

b)

OR

c)

XOR

d)

NOT

30.

Which logic gate is this?

a)

XOR

b)

NOR

c)

NAND

d)

NOT

31.

Which logic gate is this?

a)

OR

b)

NOR

c)

XOR

d)

NXOR

32.

Which logic gate is this?

a)

NAND

b)

NOR

c)

XOR

d)

NXOR

33.

Which logic gate is this?

a)

NOR

b)

XOR

c)

NXOR

d)

NAND

34.

Which logic gate is this?

a)

NXOR

b)

NAND

c)

XOR

d)

NOR

35.

Which truth table is this?

a)

NOT

b)

AND

c)

OR

d)

NAND

36.

Which truth table is this?

a)

AND

b)

OR

c)

NOT

d)

NOR

37.

Which truth table is this?

a)

OR

b)

NOR

c)

XOR

d)

AND

38.

Which truth table is this?

a)

XOR

b)

NAND

c)

NOR

d)

NOT

39.

Which truth table is this?

a)

NAND

b)

AND

c)

OR

d)

NOR

40.

What is this gate?

a)

AND gate

b)

NOT gate

c)

OR gate

d)

NOR gate

41.

What is this gate?

a)

AND gate

b)

NAND gate

c)

XOR gate

d)

NOR gate

42.

What is this gate?

a)

NAND gate

b)

AND gate

c)

NOR gate

d)

NOT gate

43.

What is this gate?

a)

XOR gate

b)

NAND gate

c)

AND gate

d)

NOT gate

44.

What is this gate?

a)

NOT gate

b)

OR gate

c)

XOR gate

d)

NOR gate

45.

What is this gate?

a)

NOR gate

b)

OR gate

c)

XOR gate

d)

AND gate

46.

How many outputs there will be?

a)

4

b)

3

c)

8

d)

18

47.

How many outputs there will be?

a)

8

b)

4

c)

16

d)

1

48.

What is the Boolean expression for this?

a)

Z=A+B

b)

Y=A+B

c)

Y=A.B

d)

X=A.B

49.

What is the Boolean expression for this?

a)

X=A.((B+C)+B')

b)

X=A+((B.C)+B')

c)

X=A.((B.C)+B')

d)

X=A+(B.C.B')

50.

What is Z if A = 0 and B = 0?

(a)

51.

What is Z if A = 1 and B = 0

(a)

52.

What is the final output?

(a)

53.

What is Z if A = 1 and B = 1

(a)

54.

What is Z of A = 0 and B = 1

(a)

55.

What is the Boolean expression for this?

a)

Z=(A'+B)+(A.B')

b)

Z=(A'.B).(A.B')

c)

E=(A'.B)+(A.B')

d)

Z=(A'.B)+(A.B')

56.

What is the Boolean expression for this?

a)

Z=(X'.Y)+(X.Y')

b)

Z=(X'.Y).(X.Y')

c)

Z=(X'+Y)+(X.Y')

d)

Z=(X'+Y).(X+Y')

57.

What is Z when X = 1 and Y = 1

(a)

58.

What is the Boolean expression for this?

a)

X=((A'.B).(A'.C'))+(B.C)

b)

X=((A'.B).(A.C))+(B.C)

c)

X=((A'.B).(A'.C')).(B.C)

d)

X=((A.B).(A.C))+(B.C)

59.

Write Boolean expression for this truth table using sum-of-products

(a)

60.

What is the Boolean expressions for X?

a)

X=((P OR Q) XOR R

b)

X=((P XOR Q) XOR R

c)

X=(P'.Q+P.Q')'.R+(P'.Q+P.Q').R'

d)

X=(P'.Q'+P.Q')'.R+(P'.Q'+P.Q').R'

61.

What is the Boolean expression for Y?

a)

Y=((P OR Q) AND R) OR (P NAND Q)

b)

Y=(P'.Q+P.Q').R+P.Q

c)

Y=((P XOR Q) AND R) OR (P AND Q)

d)

Y=(P'.Q'+P'.Q').R+P.Q

62.

a)

1

b)

2

c)

3

d)

4

63.

a)

1

b)

2

c)

3

d)

4

64.

a)

1

b)

2

c)

3

d)

4

65.

a)

1

b)

2

c)

3

d)

4

66.

a)

1

b)

2

c)

3

d)

4

67.

a)

1

b)

2

c)

3

d)

4

68.

a)

1

b)

2

c)

3

d)

4

69.

a)

1

b)

2

c)

3

d)

4

70.

a)

1

b)

2

c)

3

d)

4

71.

a)

1

b)

2

c)

3

d)

4

72.

a)

1

b)

2

c)

3

d)

4

73.

a)

1

b)

2

c)

3

d)

4

74.

a)

1

b)

2

c)

3

d)

4

75.

a)

1

b)

2

c)

3

d)

4

76.

a)

1

b)

2

c)

3

d)

4

77.

a)

1

b)

2

c)

3

d)

4

78.

a)

1

b)

2

c)

3

d)

4

79.

a)

1

b)

2

c)

3

d)

4

80.

a)

1

b)

2

c)

3

d)

4

81.

a)

1

b)

2

c)

3

d)

4

Logic gates

Total questions: 81

Worksheet time: 43mins

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