Electrical Engineering MCQs

Page No. 29

(1(10101)2 is_______________?


a(37)10


b( 69)10


c(41 )10


d— (5)10


View Answer (37)10

Consider the representation of six-bit numbers by two’s complement, one’s complement, or by sign and magnitude: In which representation is there overflow from the addition of the integers 011000 and 011000 ?


aTwo’s complement only


bSign and magnitude and one’s complement only


cTwo’s complement and one’s complement only


dAll three representations



Digital computers are more widely used as compared to analog computers, because they are______________?


aless expensive


balways more accurate and faster


cuseful over wider ranges of problem types


d easier to maintain



The binary code of (21.125)10 is_______________?


a10101.001


b10100.001


c10101.010


d10100.111


View Answer 10101.001

In which of the following base systems is 123 not a valid number ?


aBase 10


bBase 16


cBase8


dBase 3


View Answer Base 3

A NAND gate is called a universal logic element because______________?


a it is used by everybody


bany logic function can be realized by NAND gates alone


call the minization techniques are applicable for optimum NAND gate realization


dmany digital computers use NAND gates



Most of the digital computers do not have floating point hardware because_____________?


afloating point hardware is costly


bit is slower than software


cit is not possible to perform floating point addition by hardware


dof no specific reason.



In the above question (Q38.) , what is the collector voltage ?


a3 V


b8 V


c6 V


d7 V


View Answer 3 V

The purpose of resistance in the emitter circuit of a transistor amplifier is to _________________?


aLimit the maximum emitter current


bProvide base-emitter bias


cLimit the change in emitter current


dNone of the above



The base resistor method is generally used in ________________?


aAmplifier circuits


bSwitching circuits


cRectifier circuits


dNone of the above


View Answer Switching circuits

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