Digital Logic Circuits (DLC) MCQs with answers Page - 21

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. The full form of SCFL is

  • (A) source-collector logic
  • (B) source-coupled logic
  • (C) source-complementary logic
  • (D) source cored logic

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Q. The equivalent of emitter-coupled logic made out of FETs is called

  • (A) cml
  • (B) scfl
  • (C) fecl
  • (D) efcl

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Q. ECL was invented in by

  • (A) 1956, baker clamp
  • (B) 1976, james r. biard
  • (C) 1956, hannon s. yourke
  • (D) 1976, yourke

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Q. At the time of invention, an ECL was called as

  • (A) source-coupled logic
  • (B) current mode logic
  • (C) current-steering logic
  • (D) emitter-coupled logic

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Q. The ECL circuits usually operates with

  • (A) negative voltage
  • (B) positive voltage
  • (C) grounded voltage
  • (D) high voltage

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Q. Low-voltage positive emitter-coupled logic (LVPECL) is a power optimized version of

  • (A) ecl
  • (B) vecl
  • (C) pecl
  • (D) lecl

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Q. Transistor–transistor logic (TTL) is a class of digital circuits built from

  • (A) jfet only
  • (B) bipolar junction transistors (bjt)
  • (C) resistors
  • (D) bipolar junction transistors (bjt) and resistors

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Q. TTL was invented in 1961 by

  • (A) baker clamp
  • (B) james l. buie
  • (C) chris brown
  • (D) frank wanlass

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Q. The full form of TCTL is

  • (A) transistor-coupled transistor logic
  • (B) transistor-capacitor transistor logic
  • (C) transistor-complemented transistor logic
  • (D) transistor-complementary transistor logic

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Q. The ancestor to the first personal computers.

  • (A) param 1
  • (B) satyam 1
  • (C) kenbak 1
  • (D) mits altair

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