Digital Circuits Mock Test 3

10%

Question 1 of 10

1. In parts of the processor, adders are used to calculate ____________

Addresses

Increment and decrement operators

Table indices

All of the Mentioned

Question 1 of 10

Question 2 of 10

2. All logic operations can be obtained by means of __________

OR and NOR operations

NAND and NOR operations

AND and NAND operations

OR and NOT operations

Question 2 of 10

Question 3 of 10

3. Procedure for the design of combinational circuits are:

A. From the word description of the problem, identify the inputs and outputs and draw a block diagram.
B. Draw the truth table such that it completely describes the operation of the circuit for different 
combinations of inputs.
C. Simplify the switching expression(s) for the output(s).
D. Implement the simplified expression using logic gates.
E. Write down the switching expression(s) for the output(s).

B, C, D, E, A

B, A, E, C, D

A, D, E, B, C

A, B, E, C, D

Question 3 of 10

Question 4 of 10

4. In a combinational circuit, the output at any time depends only on the _______ at that time.

Clock pulses

Input values

Intermediate values

Voltage

Question 4 of 10

Question 5 of 10

5. Commercial ECL families are not nearly as popular as TTL and CMOS mainly because they ___________

Consume too much power

Have high fan-out

Have high fan-in

Produces too much noise

Question 5 of 10

Question 6 of 10

6. The full form of COS-MOS is ____________

Complementary symmetry metal oxide semiconductor

Capacitive symmetry metal oxide semiconductor

Complemented systematic metal oxide semiconductor

Complementary systematic metal oxide semiconductor

Question 6 of 10

Question 7 of 10

7. How many members a BiCMOS family have?

Question 7 of 10

Question 8 of 10

8. On which technology the Pentium is based?

BJT

BiCMOS

CMOS

MOSFET

Question 8 of 10

Question 9 of 10

9. What are the types of MOSFET devices available?

N-type enhancement type MOSFET

P-type enhancement type MOSFET

All of the mentioned

Depletion type MOSFET

Question 9 of 10

Question 10 of 10

10. What is LVT logic?

Lower supply voltage while retaining TTL logic levels

Lower threshold voltage

All of the Mentioned

Lower supply threshold voltage

Question 10 of 10