img not found img not found

404 Not Found

image not found

Oops! That page can't be found.

Back to homepage

Directions to Solve

In the following questions choose the word which is the exact OPPOSITE of the given words.

Q1: ESSENTIAL

A Trivial

B Extra

C Noughts

D Minors

Q2:
Which of the following sentences are correct about a for loop in a C program?
1: for loop works faster than a while loop.
2: All things that can be done using a for loop can also be done using a while loop.
3: for(;;); implements an infinite loop.
4: for loop can be used if we want statements in a loop get executed at least once.

A 1

B 1, 2

C 2, 3

D 2, 3, 4

Q3: An eight-line multiplexer must have as inputs ________.

A eight data inputs and four select inputs

B four data inputs and three select inputs

C eight data inputs and three select inputs

D eight data inputs and two select inputs

Q4: In order to select data input I5 of a 74151 eight-line multiplexer, the select inputs must be ________.

A

B

C

D

Q5: The ________ circuit overcomes the problem of switching caused by jitter on the inputs.

A monostable multivibrator

B astable multivibrator

C bistable multivibrator

D Schmitt trigger

Q6: Why would a delay gate be needed for a digital circuit?

A to provide for setup times

B to provide for hold times

C A delay gate is never needed.

D to provide for setup times and hold times

Q7: An optocoupler is an integrated circuit with an LED and a zener diode encased in the same package.

A True

B False

Q8: A Schmitt trigger has VT+ = 2.0 V and VT– = 1.2 V. What is the hysteresis voltage of the Schmitt trigger?

A 1.2 volts

B 0.6 volt

C 0.8 volt

D 0.4 volt

Q9: Which of the following circuit parameters would be most likely to limit the maximum operating frequency of a flip-flop?

A clock transition time

B clock pulse HIGH and LOW time

C setup and hold time

D propagation delay time

Q10: A 0.01-F capacitor is recommended by TTL manufacturers for ________ the power supply.

A filtering

B grounding

C rectifying

D decoupling