Digital Circuits Mock Test 5

10%

Question 1 of 10

1. By which properties, the orientation of molecules in a layer of liquid crystals can be changed?

Electric field

Magnetic field

Gallois field

Electromagnetic field

Question 1 of 10

Question 2 of 10

2. All the comparisons made by comparator is done using ____________

4 circuits

1 circuit

2 circuits

3 circuits

Question 2 of 10

Question 3 of 10

3. If odd parity is used for ASCII error detection, the number of 0s per 8-bit symbol is _______

Even

Odd

Indeterminate

Question 3 of 10

Question 4 of 10

4. One that is not the outcome of magnitude comparator is ____________

a - b

a = b

a < b

a > b

Question 4 of 10

Question 5 of 10

5. The discrepancy of 0 output due to all inputs being 0 or D0, being 0 is resolved by using additional input known as ___________

Clock

Strobe

Disable

Enable

Question 5 of 10

Question 6 of 10

6. Can an encoder be a transducer?

May or may not be

Both are not even related slightly

Yes

Question 6 of 10

Question 7 of 10

7. In a multiplexer the output depends on its ___________

Data inputs

Select outputs

Select inputs

Enable pin

Question 7 of 10

Question 8 of 10

8. In 1-to-4 multiplexer, if C1 = 0 & C2 = 1, then the output will be ___________

Question 8 of 10

Question 9 of 10

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

Three output terminals

Only one output terminal

No output terminal

Two output terminals

Question 9 of 10

Question 10 of 10

10. What is the backplane in LCD?

For adjusting the intensity of the LCD

The dc voltage applied between segment and a common element

The amount of power consumed

The ac voltage applied between segment and a common element

Question 10 of 10