Digital Logic Circuits (DLC) MCQs with answers Page - 17

Here, you will find a collection of MCQ questions on Digital Logic Circuits (DLC). Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. Which of the following can’t have multiple assignments or drivers?

  • (A) std_logic
  • (B) integer
  • (C) std_ulogic
  • (D) bit

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Q. Which of the following is a not a characteristics of combinational circuits?

  • (A) the output of combinational circuit depends on present input
  • (B) there is no use of clock signal in combinational circuits
  • (C) the output of combinational circuit depends on previous output
  • (D) there is no storage element in combinational circuit

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Q. Which of the following is not a combinational circuit?

  • (A) adder
  • (B) code convertor
  • (C) multiplexer
  • (D) counter

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Q. Any signed negative binary number is recognised by its

  • (A) msb
  • (B) lsb
  • (C) byte
  • (D) nibble

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Q. The parameter through which 16 distinct values can be represented is known as

  • (A) bit
  • (B) byte
  • (C) word
  • (D) nibble

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Q. The representation of octal number (532.2)8 in decimal is

  • (A) (346.25)10
  • (B) (532.864)10
  • (C) (340.67)10
  • (D) (531.668)10

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Q. The decimal equivalent of the binary number (1011.011)2 is

  • (A) (11.375)10
  • (B) (10.123)10
  • (C) (11.175)10
  • (D) (9.23)10

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Q. An important drawback of binary system is

  • (A) it requires very large string of 1’s and 0’s to represent a decimal number
  • (B) it requires sparingly small string of 1’s and 0’s to represent a decimal number
  • (C) it requires large string of 1’s and small string of 0’s to represent a decimal number
  • (D) it requires small string of 1’s and large string of 0’s to represent a decimal number

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Q. The decimal equivalent of the octal number (645)8 is

  • (A) (450)10
  • (B) (451)10
  • (C) (421)10
  • (D) (501)10

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Q. The largest two digit hexadecimal number is

  • (A) (fe)16
  • (B) (fd)16
  • (C) (ff)16
  • (D) (ef)16

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