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

Each sentences below consist of a word or a phrase which is bold. It is followed by four words or phrases. Select the word or pharse which is closes to the OPPOSITE in meaning of the bold word or phrase.

Q1: The members thought that the task was feasible.

A difficult

B impracticable

C impractical

D impossible

Q2:
The modulus operator cannot be used with a long double.

A True

B False

Q3: With most monostable multivibrators, what is the Q output when no input trigger has occurred?

A LOW

B +5 V

C SET

D HIGH

Q4: An astable multivibrator requires:

A balanced time constants

B a pair of matched transistors

C no input signal

D dual J-K flip-flops

Q5: An astable multivibrator requires:

A balanced time constants

B a pair of matched transistors

C no input signal

D dual J-K flip-flops

Q6: An astable multivibrator requires:

A balanced time constants

B a pair of matched transistors

C no input signal

D dual J-K flip-flops

Q7: A crystal demonstrates the ________ effect when a mechanical force across the crystal causes a small voltage to be generated.

A photoelectric

B Co-pitts

C piezoelectric

D flywheel

Q8: What is the difference between an astable multivibrator and a monostable multivibrator?

A The astable is free running.

B The astable needs to be clocked.

C The monostable is free running.

D none of the above

Q9: Is there any limit to the number of times that a 74123 can be retriggered?

A yes

B no

Q10:
Determine tHI and tLO for the circuit given below.

A tHI = 7.95 s, tLO = 6.24 s

B tHI = 6.24 s, tLO = 7.95 s

C tHI = 3.97 s, tLO = 3.21 s

D tHI = 3.21 s, tLO = 3.97 s