VLSI Design Quiz | VLSI Design Question and Answer for Practice

31. One advantage that MOSFET transistors have over bipolar transistors is

1. reduced propagation delay.
2. higher switching speed.
3. high input impedance.
4. low input impedance.

32. The 54XX TTL IC series is the military version and has

1. a wider temperature range.
2. more stringent power supply requirements.
3. higher current output capability.
4. all of the above.

33. The abbreviated designation for input current with a HIGH input is

1. VIH.
2. IIH.
3. IIL.
4. IOL.

34. The abbreviated designation for input current with a LOW input is

1. VIH.
2. IIH.
3. IIL.
4. IOL.

35. The abbreviated designation for output current with a HIGH output is

1. IOH.
2. IIL.
3. IIH.
4. IOL.

36. The abbreviated designation for output current with a LOW output is

1. OOL.
2. IOL.
3. IOH.
4. IIH.

37. The abbreviated designator for a HIGH input voltage is

1. VOH.
2. VIH.
3. VIL.
4. VOL.

38. The abbreviated designator for a HIGH output voltage is

1. VIL.
2. VOH.
3. VIH.
4. VOL.

39. The abbreviated designator for a LOW input voltage is

1. VIL.
2. VOH.
3. VOL.
4. VIH.

40. The abbreviated designator for a LOW output voltage is

1. VOH.
2. VIL.
3. VOL.
4. VIH.

41. The abbreviation TTL means

1. transistor-transceiver latch.
2. three-transistor logic.
3. two-transistor logic.
4. transistor-transistor logic.

42. The CMOS series that is pin compatible with the TTL family is the

1. 74C00 series.
2. 4000 series.
3. 5400 series.
4. 7400 series.

43. The difference between VOH and VIH voltages is known as

1. input margin.
2. noise margin.
3. output differential.
4. input level.

44. The input transistor (Q 1) of a TTL gate acts like

1. a NAND gate.
2. a NOR gate.
3. an AND gate.
4. an OR gate.

45. The input transistor on a TTL circuit is unusual in that it has

1. multiple bases.
2. no collector
3. no base
4. multiple emitters.