Top 350+ Solved Digital Electronics and Logic Design MCQ Questions Answer
Q. The switching speed of CMOS is now
a. competitive with ttl
b. three times that of tt
c. slower than ttl
d. twice that of ttl
Q. One advantage TTL has over CMOS is that TTL is
a. less expensive
b. not sensitive to electrostatic discharge
c. faster
d. more widely available
Q. A CMOS IC operating from a 3-volt supply will consume
a. less power than a ttl ic
b. more power than a ttl ic
c. the same power as a ttl ic
d. no power at all
Q. CMOS IC packages are available in
a. dipconfiguration
b. soicconfiguration
c. dip and soic configuration s
d. none of this
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
Q. The power dissipation, PD, of a logic gate is the product of the
a. dc supplyvoltage and
b. dc supplyvoltage and
c. ac supplyvoltage and
d. ac supplyvoltage
Q. Metal-oxide semiconductor field-effect transistors (MOSFETs) are the active switching elements in
a. cmos circuits
b. ttl
c. ecl circuits
d. pmoscircuits
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 dissipationnor high speed
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
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.
Q. The MSI chip 7474 is
a. dual edge triggered jk flip-flop (ttl).
b. dual edge triggered d flip-flop (cmos).
c. dual edge triggered d flip-flop (ttl).
d. dual edge triggered jk flip-flop (cmos).