Digital Circuits Mock Test 5

10%

Question 1 of 10

1. The primary use for Gray code is ___________

Turning on/off software switches

To convert the angular position of a shaft on rotating machinery into hexadecimal code

To represent the correct ASCII code to indicate the angular position of a shaft on rotating machinery

Coded representation of a shaft's mechanical position

Question 1 of 10

Question 2 of 10

2. If we record any music in any recorder, such types of process is called ___________

Decoding

Multiplexing

Demultiplexing

Encoding

Question 2 of 10

Question 3 of 10

3. If two numbers are not equal then binary variable will be ____________

Question 3 of 10

Question 4 of 10

4. The direction of electric field in an LCD is determined by ___________

Molecular Orbital Theory

the molecule’s chemical structure

Crystalline surface structure

Quantum Cellular Automata

Question 4 of 10

Question 5 of 10

5. The BCD number 101011 has _______ priority.

Even

Both even and odd

Odd

Undefined

Question 5 of 10

Question 6 of 10

6. Which of the following circuit can be used as parallel to serial converter?

Decoder

Digital counter

Multiplexer

Demultiplexer

Question 6 of 10

Question 7 of 10

7. For 8-bit input encoder how many combinations are possible?

2^8

2^4

Question 7 of 10

Question 8 of 10

8. A magnitude comparator is defined as a digital comparator which has ____________

Two output terminals

Only one output terminal

Three output terminals

No output terminal

Question 8 of 10

Question 9 of 10

9. Without any additional circuitry an 8:1 MUX can be used to obtain ____________

All function of 3 variables but none of 4 variables

All functions of 4 variables

Some but not all Boolean functions of 3 variables

All functions of 3 variables and some but not all of 4 variables

Question 9 of 10

Question 10 of 10

10. How many possible outputs would a decoder have with a 6-bit binary input?

128

Question 10 of 10