Diode-Transistor Logic(DTL) MCQ’s

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This set of Digital Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Diode-Transistor Logic(DTL)”.

1. In DTL logic gating function is performed by ___________
a) Diode
b) Transistor
c) Inductor
d) Capacitor

2. In DTL amplifying function is performed by ___________
a) Diode
b) Transistor
c) Inductor
d) Capacitor

3. 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

4. How many stages a DTL consist of?
a) 2
b) 3
c) 4
d) 5

5. 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

6. The DTL propagation delay is relatively ___________
a) Large
b) Small
c) Moderate
d) Negligible

7. The process to avoid saturating the switching transistor is performed by ___________
a) Baker clamp
b) James R. Biard
c) Chris Brown
d) Totem-Pole

8. 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

9. 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

10. 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

11. A disadvantage of DTL is ___________
a) The input transistor to the resister
b) The input resister to the transistor
c) The increased fan-in
d) The increased fan-out

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