Digital Electronics and Logic Design MCQs with answers Page - 27

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. CMOS IC packages are available in

  • (A) dip configuration
  • (B) soic configuration
  • (C) dip and soic configuration s
  • (D) none of this

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Q. The terms "low speed" and "high speed," applied to logic circuits, refer to the

  • (A) rise time
  • (B) fall time
  • (C) propagation delay time
  • (D) clock speed

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Q. The power dissipation, PD, of a logic gate is the product of the

  • (A) dc supply voltage and
  • (B) dc supply voltage and
  • (C) ac supply voltage and
  • (D) ac supply voltage

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Q. How many different logic level ranges for TTL

  • (A) 1
  • (B) 2
  • (C) 3
  • (D) 4

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Q. Metal-oxide semiconductor field-effect transistors (MOSFETs) are the active switching elements in

  • (A) cmos circuits
  • (B) ttl
  • (C) ecl circuits
  • (D) pmos circuits

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Q. ECL IC technology is……………….than TTL technology.

  • (A) faster
  • (B) slower
  • (C) equal
  • (D) none of this

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Q. A major advantage of ECL logic over TTL and CMOS is

  • (A) low power dissipation
  • (B) high speed
  • (C) both low power dissipation and high speed
  • (D) neither low power dissipation nor high speed

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Q. Digital technologies being used now-a-days are

  • (A) dtl and emos
  • (B) ttl, ecl, cmos and rtl
  • (C) ttl, ecl, cmos and dtl
  • (D) ttl, ecl, cmos and dtl

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Q. Which of the following is the fastest logic

  • (A) ttl
  • (B) ecl
  • (C) cmos
  • (D) pmos

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Q. CMOS circuits are extensively used for ON-chip computers mainly because of their extremely

  • (A) low power dissipation
  • (B) high noise immunity
  • (C) large packing density
  • (D) low cost.

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