Digital Electronics Mcqs

This set of Electrical engineering Multiple Choice Questions & Answers (MCQs) focuses on study of “ Digital Electronics ”. These questions are chosen from a collection of most authoritative and best reference books on Electrical engineering. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, University and College entrance exams, Jobs and interviews. One should practice our MCQS to assimilate Digital Electronics comprehensively.

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31.
What is/are the configurable functions of each and every IOBs connected around the FPGA device from the operational point of view ?

Input operation

Tristate output operation

Bi-directional I/O pin access

All of the above

32.
In Boolean algebra, the bar sign (-) indicates__________________?

OR operation

AND operation

NOT operation

None of the above

33.
Which type of CPLD packaging can provide maximum number of pins on the package due to small size of the pins ?

PLCC

QFP

PGA

BGA

34.
What would happen, if smaller logic modules are utilized for performing logical functions associated with FPGA? A. Propagation delay will increase B. FPGA area will increase C. Wastage of logic modules will not be prevented D. Number of interconnected paths in device will decrease ?

A & B

C & D

A & D

B & C

36.
The inputs of a NAND gate are connected together. The resulting circuit is _______________?

OR gate

AND gate

NOT gate

None of the above

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