Digital Circuits Mock Test 8

10%

Question 1 of 10

1. By which technology, semiconductor memories are constructed?

VLSI

Both LSI and VLSI

PLD

LSI

Question 1 of 10

Question 2 of 10

2. Which memories are if magnetic memory type?

Secondary Memory

Volatile Memory

Main Memory

Static Memory

Question 2 of 10

Question 3 of 10

3. How many methods of shifting of data are available?

Question 3 of 10

Question 4 of 10

4. What is the preset condition for a ring shift counter?

All FFs set to 1

All FFs cleared to 0

A single 1, the rest 0

A single 0, the rest 1

Question 4 of 10

Question 5 of 10

5. Ring shift and Johnson counters are ____________

Asynchronous counters

Synchronous and true binary counters

Synchronous counters

True binary counters

Question 5 of 10

Question 6 of 10

6. A sequence of equally spaced timing pulses may be easily generated by which type of counter circuit?

Ring shift

Johnson

Binary

Clock

Question 6 of 10

Question 7 of 10

7. The instruction used in a program for executing them is stored in the __________

Control Unit

Memory

CPU

Microprocessor

Question 7 of 10

Question 8 of 10

8. The difference between FPGA and PLD is that __________

All of the Mentioned

FPGA has high power dissipation

FPGA incorporates logic blocks

FPGA is slower than PLD

Question 8 of 10

Question 9 of 10

9. A bidirectional 4-bit shift register is storing the nibble 1110. Its input is LOW. The nibble 0111 is waiting to be entered on the serial data-input line. After two clock pulses, the shift register is storing ________

1001

0111

1110

1000

Question 9 of 10

Question 10 of 10

10. Based on material used for construction, memory devices are classifieds into ________ categories.

Question 10 of 10