Top 350+ Solved Digital Logic Circuits (DLC) MCQ Questions Answer

From 166 to 180 of 340

Q. Two important characteristics of CMOS devices are                          

a. high noise immunity

b. low static power consumption

c. high resistivity

d. both high noise immunity and low static power consumption

  • d. both high noise immunity and low static power consumption

Q. CMOS behaves as a/an                          

a. adder

b. subtractor

c. inverter

d. comparator

  • c. inverter

Q. An important characteristic of a CMOS circuit is the                          

a. noise immunity

b. duality

c. symmetricity

d. noise margin

  • b. duality

Q. CMOS logic dissipates power than NMOS logic circuits.

a. more

b. less

c. equal

d. very high

  • b. less

Q. Semiconductors are made of                          

a. ge and si

b. si and pb

c. ge and pb

d. pb and au

  • a. ge and si

Q. Which chip were the first RTC and CMOS RAM chip to be used in early IBM computers, capable of storing a total of 64 bytes?

a. the samsung 146818

b. the samsung 146819

c. the motorola 146818

d. the motorola 146819

  • c. the motorola 146818

Q. The full form of ECL is                      

a. emitter-collector logic

b. emitter-complementary logic

c. emitter-coupled logic

d. emitter-cored logic

  • c. emitter-coupled logic

Q. Which logic is the fastest of all the logic families?

a. ttl

b. ecl

c. htl

d. dtl

  • b. ecl

Q. In an ECL the output is taken from                      

a. emitter

b. base

c. collector

d. junction of emitter and base

  • c. collector

Q. The ECL behaves as                      

a. not gate

b. nor gate

c. nand gate

d. and gate

  • b. nor gate

Q. In ECL the fanout capability is                      

a. high

b. low

c. zero

d. sometimes high and sometimes low

  • a. high

Q. ECL’s major disadvantage is that  

a. it requires more power

b. it’s fanout capability is high

c. it creates more noise

d. it is slow

  • a. it requires more power

Q. The full form of SCFL is                      

a. source-collector logic

b. source-coupled logic

c. source-complementary logic

d. source cored logic

  • b. source-coupled logic
Subscribe Now

Get All Updates & News