Digital Electronics and Logic Design MCQ Questions and answers

A

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Q. The number 1000 would appear just immediately after

(A) ffff (hex)
(B) 1111
(C) 7777 (octal)
(D) all of the

A

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Q. (1(10101)2 is

(A) (37)10
(B) ( 69)10
(C) (41 )10
(D) — (5)10

A

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Q. The number of Boolean functions that can be generated by n variables is equal to

(A) 2n
(B) 22 n
(C) 2n-1
(D) — 2n

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Q. Consider the representation of six-bit numbers by two’s complement, one’s
complement, or by sign and magnitude: In which representation is there overflow from
the addition of the integers 011000 and 011000?

(A) two’s complement only
(B) sign and magnitude and one’s complement only
(C) two’s complement and one’s complement only
(D) all three representa tions.

A

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Q. Positive logic in a logic circuit is one in which

(A) logic 0 and 1 are represented by 0 and positive voltage respectively
(B) logic 0 and, - 1 are represented by negative and positive voltages respectively
(C) logic 0 voltage level is higher than logic 1 voltage level
(D) logic 0 voltage level is lower than logic 1 voltage level.

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Q. Which of the following gate is a two-level logic gate

(A) or gate
(B) nand gate
(C) exclusive or gate
(D) not gate.

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Q. An AND gate will function as OR if

(A) all the inputs to the gates are “1”
(B) all the inputs are ‘0’
(C) either of the inputs is “1”
(D) all the inputs and outputs are compleme nted.

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Q. An OR gate has 6 inputs. The number of input words in its truth table are

(A) 6
(B) 32
(C) 64
(D) 128

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Q. NAND. gates are preferred over others because these

(A) have lower fabrication area
(B) can be used to make any gate
(C) consume least electronic power
(D) provide maximum density in a chip.

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Q. In case of OR gate, no matter what the number of inputs, a

(A) 1 at any input causes the
(B) 1 at any input causes
(C) 0 any input causes the
(D) 0 at any input

Digital Electronics and Logic Design MCQs with answers Page - 12

Q. The number 1000 would appear just immediately after

Q. (1(10101)2 is

Q. The number of Boolean functions that can be generated by n variables is equal to

Q. Consider the representation of six-bit numbers by two’s complement, one’s
complement, or by sign and magnitude: In which representation is there overflow from
the addition of the integers 011000 and 011000?

Q. Positive logic in a logic circuit is one in which

Q. Which of the following gate is a two-level logic gate

Q. An AND gate will function as OR if

Q. An OR gate has 6 inputs. The number of input words in its truth table are

Q. NAND. gates are preferred over others because these

Q. In case of OR gate, no matter what the number of inputs, a

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Digital Electronics and Logic Design MCQs with answers Page - 12

Q. The number 1000 would appear just immediately after

Q. (1(10101)2 is

Q. The number of Boolean functions that can be generated by n variables is equal to

Q. Consider the representation of six-bit numbers by two’s complement, one’s complement, or by sign and magnitude: In which representation is there overflow from the addition of the integers 011000 and 011000?

Q. Positive logic in a logic circuit is one in which

Q. Which of the following gate is a two-level logic gate

Q. An AND gate will function as OR if

Q. An OR gate has 6 inputs. The number of input words in its truth table are

Q. NAND. gates are preferred over others because these

Q. In case of OR gate, no matter what the number of inputs, a

Add MCQ in this Category

Browse Categories

Q. Consider the representation of six-bit numbers by two’s complement, one’s
complement, or by sign and magnitude: In which representation is there overflow from
the addition of the integers 011000 and 011000?