Electrical Engineering Mcqs

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

(A) OR operation
(B) AND operation
(C) NOT operation
(D) None of the above

Submitted By :Ali Uppal

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

(A) Input operation
(B) Tristate output operation
(C) Bi-directional I/O pin access
(D) All of the above

Submitted By :Ali Uppal

Which mechanism allocates the binary value to the states in order to reduce the cost of the combinational circuits ?

(A) State Reduction
(B) State Minimization
(C) State Assignment
(D) State Evaluation

Submitted By :Ali Uppal

Digital circuit can be made by the repeated use of________________?

(A) OR gates
(B) NOT gates
(C) NAN
(D) gates

Submitted By :Ali Uppal

The maximum collector efficiency of class B operation is ________________?

(A) 50%
(B) 90%
(C) 5%
(D) 5%

Submitted By :Ali Uppal

If a transistor is operated in such a way that output current flows for 60o of the input signal, then it is ______________ operation?

(A) Class A
(B) Class B
(C) Class C
(D) None of the above

Submitted By :Ali Uppal

A class A power amplifier is sometimes called______________amplifier?

(A) Symmetrical
(B) Single-ended
(C) Reciprocating
(D) Differential

Submitted By :Ali Uppal

A 2-transistor class B power amplifier is commonly called ______________ amplifier?

(A) Dual
(B) Push-pull
(C) Symmetrical
(D) Differential

Submitted By :Ali Uppal

A power amplifier has comparatively __________________ ß ?

(A) Small
(B) Large
(C) Very large
(D) None of the above

Submitted By :Ali Uppal

Low efficiency of a power amplifier results in_________________?

(A) Low forward bias
(B) Less battery consumption
(C) More battery consumption
(D) None of the above

Submitted By :Ali Uppal

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