Q. Diode–transistor logic (DTL) is the direct ancestor of

  • (A) register-transistor logic
  • (B) transistor–transistor logic
  • (C) high threshold logic
  • (D) emitter coupled logic
πŸ’¬ Discuss
βœ… Correct Answer: (B) transistor–transistor logic

Q. In DTL logic gating function is performed by

  • (A) diode
  • (B) transistor
  • (C) inductor
  • (D) capacitor
πŸ’¬ Discuss
βœ… Correct Answer: (A) diode

Q. In DTL amplifying function is performed by

  • (A) diode
  • (B) transistor
  • (C) inductor
  • (D) capacitor
πŸ’¬ Discuss
βœ… Correct Answer: (B) transistor

Q. The full form of CTDL is

  • (A) complemented transistor diode logic
  • (B) complemented transistor direct logic
  • (C) complementary transistor diode logic
  • (D) complementary transistor direct logic
πŸ’¬ Discuss
βœ… Correct Answer: (A) complemented transistor diode logic

Q. The DTL propagation delay is relatively

  • (A) large
  • (B) small
  • (C) moderate
  • (D) negligible
πŸ’¬ Discuss
βœ… Correct Answer: (A) large

Q. The way to speed up DTL is to add an across intermediate resister is

  • (A) small “speed-up” capacitor
  • (B) large “speed-up” capacitor
  • (C) small “speed-up” transistor
  • (D) large ” speed-up” transistor
πŸ’¬ Discuss
βœ… Correct Answer: (A) small “speed-up” capacitor

Q. The process to avoid saturating the switching transistor is performed by

  • (A) baker clamp
  • (B) james r. biard
  • (C) chris brown
  • (D) totem-pole
πŸ’¬ Discuss
βœ… Correct Answer: (A) baker clamp

Q. A major advantage of DTL over the earlier resistor–transistor logic is the

  • (A) increased fan out
  • (B) increased fan in
  • (C) decreased fan out
  • (D) decreased fan in
πŸ’¬ Discuss
βœ… Correct Answer: (B) increased fan in

Q. To increase fan-out of the gate in DTL

  • (A) an additional capacitor may be used
  • (B) an additional resister may be used
  • (C) an additional transistor and diode may be used
  • (D) only an additional diode may be used
πŸ’¬ Discuss
βœ… Correct Answer: (C) an additional transistor and diode may be used

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