Digital Electronics and Logic Design MCQs with answers Page - 14

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

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Q. Which digital IC package type makes the most efficient use of printed circuit board space?

  • (A) smt
  • (B) to can
  • (C) flat pack
  • (D) dip

A

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Q. The digital logic family which has minimum power dissipation is

  • (A) ttl
  • (B) rtl
  • (C) dtl
  • (D) cmos

A

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Q. If the channel is initially doped lightly with p-type impurity a conducting

  • (A) depletion
  • (B) enhancemen
  • (C) both mode
  • (D) none of

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Q. If the region beneath the gate is left initially uncharged the gate field must induce a
channel before current can flow. Thus the gate voltage enhances the
channel current and sucha device is said to operate in the

  • (A) depletion mode operation mos
  • (B) enhancemen t mode operation of mos
  • (C) both mode
  • (D) none of this

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Q. The n- channel MOS conducts when its

  • (A) gate- to- source voltage
  • (B) gate- to- source
  • (C) gate- to- source
  • (D) none of this

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Q. The p- channel MOS conducts when its

  • (A) gate- to-
  • (B) gate- to-
  • (C) gate- to-
  • (D) none of

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Q. The fan-out of a MOS-logic gate is higher than that of TTL gates because of its

  • (A) low input impedance
  • (B) high input impedance
  • (C) low output impedance
  • (D) high output impedance

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Q. Which factor does not affect CMOS loading?

  • (A) charging time associated
  • (B) discharging time
  • (C) output capacitance
  • (D) input capacitanc

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Q. Logic gates are the basic elements that make a

  • (A) analog system
  • (B) basic system
  • (C) gating system
  • (D) digital system

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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

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