As a technician you are confronted with a TTL circuit board containing dozens of IC chips. You have taken several readings at numerous IC chips, but the readings are inconclusive because of their erratic nature. Of the possible faults listed, select the one that most probably is causing the problem.

M

Mr. Dubey • 52.49K Points
Coach

Q. As a technician you are confronted with a TTL circuit board containing dozens of IC chips. You have taken several readings at numerous IC chips, but the readings are inconclusive because of their erratic nature. Of the possible faults listed, select the one that most probably is causing the problem.

(A) a defective ic chip that is drawing excessive current from the power supply

(B) a solar bridge between the inputs on the first ic chip on the board

(C) an open input on the first ic chip on the board

(D) a defective output ic chip that has an internal open to v cc

Correct Answer - Option(C)
Views: 837
Filed under category Digital Electronics and Logic Design

Share

No solution found for this question.
Add Solution and get +2 points.

You must be Logged in to update hint/solution

Discusssion

Login to discuss.

Be the first to start discuss.

Related MCQs

Q. The relationship between DEPARTMENT and EMPLOYEE is a

Q. Which of the following memories need refresh?

Q. In a directed tree any node which has out degree 0 is called a terminal node or__________.

Q. Operations in the neural networks can perform what kind of operations?

Q. What is the role of channel in communication system?

Q. Which was the computer conceived by Babbage?

Q. “ Principles help managers to take decisions while performing functions of management”

Q. Which best describe the sound wave?

Q. It means the process of making subordinates to act in a desired manner to achieve certain organizational goals.

Q. When integrity is lacking in a security system, occurs.

Question analytics