Explore topic-wise MCQs in Vlsi.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Vlsi knowledge and support exam preparation. Choose a topic below to get started.

1.

Which logic is suitable for And-OR-Invert function?

A. DCFL
B. DCFL with super buffers
C. FET logic
D. SDCFL
Answer» E.
2.

__________ supply rails are required for proper operation of normally-on logic devices.

A. one
B. two
C. three
D. four
Answer» C. three
3.

__________ is needed to facilitate turn-off.

A. positive voltage
B. power supply rail
C. ground connection
D. negative voltage
Answer» E.
4.

WHICH_LOGIC_IS_SUITABLE_FOR_AND-OR-INVERT_FUNCTION??$

A. DCFL
B. DCFL with super buffers
C. FET logic
D. SDCFL
Answer» E.
5.

Which circuit has large noise margin?

A. DCFL
B. DCFL with super buffers
C. FET logic
D. SDCFL
Answer» E.
6.

Which logic is suitable for large loads?

A. DCFL
B. DCFL with super buffers
C. FET logic
D. SDCFL
Answer» C. FET logic
7.

Which circuits have weak load drive capability?

A. DCFL
B. DCFL with super buffers
C. FET logic
D. SDCFL
Answer» B. DCFL with super buffers
8.

DCFL circuits have

A. large voltage swing
B. small voltage swing
C. large noise margins
D. more complexity
Answer» C. large noise margins
9.

In direct coupled FET logic, both depletion and enhancement mode devices are used.

A. true
B. false
Answer» B. false
10.

_____ supply rails are required for proper operation of normally-on logic devices

A. one
B. two
C. three
D. four
Answer» C. three
11.

_____ is needed to facilitate turn-off

A. positive voltage
B. power supply rail
C. ground connection
D. negative voltage
Answer» E.
12.

Which is the approach used for normally-off logic?

A. capacitor diode FET logic
B. buffered FET logic
C. direct-coupled FET logic
D. capacitor coupled FET logic
Answer» D. capacitor coupled FET logic
13.

Normally-on logic uses

A. depletion mode MESFET
B. enhancement mode MESFET
C. depletion mode FET
D. enhancement mode FET
Answer» C. depletion mode FET