Free Printable QUIZ – EE 318 (Logic Circuits and Switching Theory)

1.

Which number system uses base-8?

a)

Binary

b)

Octal

c)

Decimal

d)

Hexadecimal

2.

What is the binary equivalent of decimal 37?

a)

100101

b)

101001

c)

100001

d)

101011

3.

Which number system uses only the digits 0 and 1?

a)

Binary

b)

Octal

c)

Decimal

d)

Hexadecimal

4.

The binary equivalent of hexadecimal F is:

a)

1010

b)

1111

c)

1100

d)

1001

5.

What is the decimal equivalent of binary 110101?

a)

37

b)

43

c)

53

d)

63

6.

The ASCII code for character 'A' is:

a)

65

b)

66

c)

67

d)

68

7.

What is the value of the 2's complement of 1101?

a)

0011

b)

0111

c)

0100

d)

1011

8.

What is the result of subtracting binary 1001 from 1100?

a)

0011

b)

0101

c)

0010

d)

0110

9.

In binary addition, what is the sum of 1101 and 1011?

a)

11000

b)

10110

c)

10010

d)

11001

10.

Which number system is commonly used in digital electronics?

a)

Decimal

b)

Binary

c)

Octal

d)

Hexadecimal

11.

In Boolean algebra, the expression A + A' is equal to:

a)

0

b)

1

c)

A

d)

A'

12.

The BCD (Binary Coded Decimal) representation of the decimal number 25 is:

a)

0010 0101

b)

0101 0010

c)

0011 0101

d)

0011 0110

13.

How many bits are required to represent the number 1000 in binary?

a)

8

b)

10

c)

11

d)

12

14.

What is the hexadecimal representation of the binary number 11011010?

a)

DA

b)

1B

c)

F3

d)

BC

15.

Parity bits are used for:

a)

Error detection

b)

Data encryption

c)

Data compression

d)

Increasing data speed

16.

The decimal number 15 in BCD is represented as:

a)

0001 0101

b)

1111

c)

1001

d)

1110

17.

The result of multiplying two binary numbers 1010 and 110 is:

a)

111000

b)

110100

c)

101101

d)

101000

18.

Which Boolean law states that A . (A + B) = A?

a)

Distributive law

b)

Idempotent law

c)

Absorption law

d)

De Morgan's law

19.

What is the decimal value of the binary number 101011?

a)

43

b)

45

c)

37

d)

55

20.

The most significant bit (MSB) in a binary number represents:

a)

The smallest value

b)

The middle value

c)

The largest value

d)

None of the above

21.

The complement of 1100101 in binary is:

a)

0011010

b)

1111010

c)

1101100

d)

0011011

22.

The decimal number 45 in hexadecimal is:

a)

2D

b)

3B

c)

29

d)

30

23.

The Gray code for binary 1010 is:

a)

1111

b)

1101

c)

1011

d)

1001

24.

What is the result of binary subtraction 10101 - 1101?

a)

01000

b)

01100

c)

00110

d)

00010

25.

In Boolean algebra, the expression A + A.B is equivalent to:

a)

A

b)

A'

c)

A + B

d)

A + AB'

26.

The decimal equivalent of hexadecimal 1F is:

a)

15

b)

31

c)

28

d)

27

27.

The binary number system is used internally by computers primarily because:

a)

It is simpler to design circuits using binary

b)

Binary digits are easy to interpret

c)

Binary circuits are more reliable

d)

It can process large numbers quickly

28.

What is the binary equivalent of octal number 74?

a)

111010

b)

110011

c)

100101

d)

101100

29.

Which operation is equivalent to adding two 1's in binary?

a)

10

b)

01

c)

11

d)

00

30.

The hexadecimal representation of the decimal number 255 is:

a)

FA

b)

FB

c)

FF

d)

F1

31.

ASCII is used to represent:

a)

Binary numbers

b)

Boolean expressions

c)

Text characters

d)

Octal digits

32.

The binary multiplication of 1101 and 101 results in:

a)

111001

b)

110101

c)

101111

d)

111110

33.

Which is the correct result of dividing 101010 by 11 in binary?

a)

1110 remainder 0

b)

1001 remainder 1

c)

1011 remainder 1

d)

1100 remainder 0

34.

What is the 8-bit binary representation of the decimal number 130?

a)

10010010

b)

10100010

c)

10000010

d)

10000001

35.

Which Boolean identity expresses A + A.B = A?

a)

Distributive

b)

Absorption

c)

Idempotent

d)

Commutative

36.

What is the 2's complement of the binary number 0101?

a)

1011

b)

1101

c)

1001

d)

1111

37.

What is the binary equivalent of hexadecimal 7F?

a)

1111101

b)

1111111

c)

1111011

d)

1111010

38.

The Gray code is primarily used for:

a)

Error detection

b)

Error correction

c)

Minimizing errors in data conversion

d)

Representing negative numbers

39.

Which of the following is NOT a valid BCD representation?

a)

0101 0110

b)

0111 1001

c)

1010 0101

d)

0001 0101

40.

What is the result of binary addition 1111 + 1011?

a)

11010

b)

10101

c)

11100

d)

11000

41.

Which Boolean expression represents the associative law?

a)

A + (B + C) = (A + B) + C

b)

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

c)

A + A = A

d)

A . B = B . A

42.

What is the binary equivalent of the decimal number 85?

a)

1010100

b)

1101010

c)

1010101

d)

1010011

43.

The decimal number 76 in hexadecimal is:

a)

4C

b)

5A

c)

3F

d)

6B

44.

In Boolean algebra, which of the following is true for the commutative property of AND?

a)

A + B = B + A

b)

A . B = B . A

c)

A . B = A + B

d)

A + B = A . B

45.

The binary equivalent of the decimal number 19 is:

a)

10011

b)

10101

c)

11010

d)

10110

46.

The parity bit is added to data to:

a)

Increase processing speed

b)

Check for errors

c)

Encrypt data

d)

Reduce file size

47.

The binary equivalent of octal number 63 is:

a)

110101

b)

110011

c)

111111

d)

101011

48.

What is the hexadecimal equivalent of the decimal number 100?

a)

68

b)

64

c)

6A

d)

62

49.

A logic circuit that compares two binary values and outputs whether they are equal is called a:

a)

Comparator

b)

Multiplexer

c)

Demultiplexer

d)

Encoder

50.

The binary division of 1011 by 10 results in:

a)

101 remainder 1

b)

100 remainder 1

c)

110 remainder 0

d)

111 remainder 0

51.

The 2's complement of the binary number 10010 is:

a)

01101

b)

01110

c)

11010

d)

10110

52.

What is the result of binary multiplication 1010 × 110?

a)

110110

b)

111100

c)

101100

d)

100110

53.

The decimal equivalent of hexadecimal 3C is:

a)

48

b)

56

c)

60

d)

72

54.

What is the BCD equivalent of the decimal number 92?

a)

1001 0010

b)

1100 1000

c)

0111 1001

d)

1001 1100

55.

Which of the following is an example of an invalid binary-coded decimal (BCD)?

a)

0010

b)

1101

c)

1001

d)

1010

56.

In binary subtraction, what is the result of 1001 - 0110?

a)

0011

b)

0101

c)

0111

d)

0010

57.

What is the 4-bit binary equivalent of decimal 10?

a)

1010

b)

1000

c)

1100

d)

1110

58.

The decimal number 200 is equivalent to which binary number?

a)

11010000

b)

11001000

c)

11010100

d)

11011000

59.

The hexadecimal equivalent of binary 110111 is:

a)

1B

b)

37

c)

6F

d)

1D

60.

In Boolean algebra, which identity is represented by A . (B + C) = A . B + A . C?

a)

Associative

b)

Distributive

c)

Commutative

d)

Absorption

61.

The BCD representation of the decimal number 58 is:

a)

0110 1010

b)

0110 1100

c)

0101 1000

d)

0101 1011

62.

Which of the following is equivalent to the binary number 101111 in hexadecimal?

a)

2F

b)

1F

c)

3F

d)

2B

63.

What is the result of binary subtraction 11010 - 1001?

a)

10101

b)

10011

c)

11001

d)

10111

64.

What is the hexadecimal equivalent of decimal 159?

a)

9B

b)

A3

c)

9F

d)

AF

65.

In a 4-bit binary number system, the largest possible value is:

a)

8

b)

15

c)

16

d)

31

66.

What is the sum of the binary numbers 1110 and 1010?

a)

11000

b)

11101

c)

10110

d)

10000

67.

The ASCII value for the character 'Z' is:

a)

86

b)

88

c)

90

d)

92

68.

The binary representation of octal number 73 is:

a)

111011

b)

110111

c)

100111

d)

101011

69.

Which number system uses the digits 0 to 9 and A to F?

a)

Binary

b)

Decimal

c)

Hexadecimal

d)

Octal

70.

What is the binary equivalent of the decimal number 255?

a)

11111111

b)

10111101

c)

11111011

d)

11011111

71.

The 2's complement of the binary number 0110 is:

a)

1010

b)

0101

c)

1011

d)

1000

72.

The binary addition of 1101 and 1100 results in:

a)

11011

b)

11001

c)

10011

d)

11101

73.

The decimal number 75 in BCD is represented as:

a)

1001 0101

b)

0111 0101

c)

1110 0110

d)

0111 1000

74.

In Boolean algebra, A + A is equal to:

a)

A

b)

A + B

c)

A'

d)

1

75.

The binary equivalent of the hexadecimal number 1A is:

a)

10100

b)

11010

c)

10010

d)

11110

76.

What is the result of binary subtraction 1010 - 0111?

a)

0011

b)

0101

c)

0110

d)

0010

77.

The decimal equivalent of binary 101111 is:

a)

47

b)

55

c)

59

d)

63

78.

The hexadecimal number 3E is equivalent to which binary number?

a)

111010

b)

111110

c)

111011

d)

110111

79.

In a 5-bit binary number, how many distinct combinations can be formed?

a)

16

b)

32

c)

64

d)

128

80.

The ASCII code for the character '9' is:

a)

48

b)

49

c)

57

d)

59

81.

What is the binary representation of decimal 142?

a)

10001110

b)

10110010

c)

11011001

d)

10010010

82.

The binary number 1001101 is equivalent to which decimal number?

a)

73

b)

77

c)

83

d)

87

83.

What is the result of binary multiplication 1110 × 101?

a)

1010110

b)

1001110

c)

1110110

d)

1100110

84.

In Boolean algebra, the expression A . 0 is equal to:

a)

A

b)

0

c)

1

d)

A'

85.

What is the binary representation of the hexadecimal number 9F?

a)

10110111

b)

10011111

c)

10101111

d)

11110111

86.

What is the BCD representation of decimal 65?

a)

0110 0111

b)

0101 1010

c)

0110 0101

d)

1000 0110

87.

The binary subtraction of 11110 and 1011 is:

a)

10011

b)

11001

c)

10111

d)

10101

88.

Which of the following is a valid hexadecimal number?

a)

7G

b)

9Z

c)

B9

d)

H2

89.

The Gray code for binary 1110 is:

a)

1011

b)

1111

c)

1001

d)

1101

90.

What is the binary equivalent of octal number 56?

a)

101110

b)

110010

c)

100110

d)

101101

91.

The decimal equivalent of the binary number 101101 is:

a)

45

b)

43

c)

46

d)

50

92.

What is the result of binary division 11101 ÷ 11?

a)

1100 remainder 1

b)

1011 remainder 0

c)

1111 remainder 1

d)

1001 remainder 0

93.

In Boolean algebra, which expression is always true?

a)

A + A'

b)

A + A

c)

A + B

d)

A . B'

94.

The hexadecimal number 2A is equivalent to which decimal number?

a)

40

b)

42

c)

44

d)

46

95.

The binary addition of 11001 and 11101 is:

a)

110100

b)

110010

c)

101101

d)

101011

96.

What is the ASCII code for the character 'a'?

a)

96

b)

97

c)

98

d)

99

97.

The binary representation of decimal 250 is:

a)

11111010

b)

11010101

c)

11101101

d)

10110110

98.

What is the 2's complement of the binary number 101010?

a)

110101

b)

101100

c)

110110

d)

010110

99.

The binary equivalent of decimal 64 is:

a)

1010010

b)

1010100

c)

1000000

d)

1000100

100.

Which of the following is a valid BCD representation of the decimal number 99?

a)

1001 1001

b)

1101 1111

c)

0110 0110

d)

1011 0100

QUIZ – EE 318 (Logic Circuits and Switching Theory)

Total questions: 100

Worksheet time: 50mins

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