Explore topic-wise MCQs in Digital Circuits.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Circuits knowledge and support exam preparation. Choose a topic below to get started.

1.

The data written in flip-flop remains stored as long as __________

A. D.C. power is supplied
B. D.C. power is removed
C. A.C. power is supplied
D. A.C. power is removed
Answer» B. D.C. power is removed
Discussion
2.

Dynamic RAM employs __________

A. Capacitor or MOSFET
B. FET or JFET
C. Capacitor or BJT
D. BJT or MOS
Answer» B. FET or JFET
Discussion
3.

Static RAM employs __________

A. BJT or MOSFET
B. FET or JFET
C. Capacitor or BJT
D. BJT or MOS
Answer» E.
Discussion
4.

Computers invariably use RAM for __________

A. High complexity
B. High resolution
C. High speed main memory
D. High flexibility
Answer» D. High flexibility
Discussion
5.

The n-bit address is placed in the __________

A. MBR
B. MAR
C. RAM
D. ROM
Answer» C. RAM
Discussion
6.

If a RAM chip has n address input lines then it can access memory locations upto __________

A. 2<sup>(n-1)</sup>
B. 2<sup>(n+1)</sup>
C. 2<sup>n</sup>
D. 2<sup>2n</sup>
Answer» D. 2<sup>2n</sup>
Discussion
7.

RAM is also known as __________

A. RWM
B. MBR
C. MAR
D. ROM
Answer» B. MBR
Discussion
8.

The chip by which both the operation of read and write is performed __________

A. RAM
B. ROM
C. PROM
D. EPROM
Answer» B. ROM
Discussion
9.

What is the access time?

A. The time taken to move a stored word from one bit to other bits after applying the address bits
B. The time taken to write a word after applying the address bits
C. The time taken to read a stored word after applying the address bits
D. The time taken to erase a stored word after applying the address bits
Answer» D. The time taken to erase a stored word after applying the address bits
Discussion