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Electronics Communications Interview Questions
Questions Answers Views Company eMail

The loss of precision in quantity is called A Down time B Delay C Unavoidable delay D None of these

1151

Photolithography involves A Making photographic mask and photoetching B Only photoetching C Only masking D None of these

1 1906

The positive clipper can be easily converted into negative clipper by A Reversing diode and changing the polarity of reference voltage B Reversing diode only C Changing the polarity D None of these

2351

....................... regulator operates the power transistors as high frequency on/off switch. A Series B Short C Switching D None of these

957

96 The high-frequency response in RC active filters using op-amp is due to A BW B Gain C Gain,BW product D High frequency

1 1785

By cascading LPF and HPF active filter, the resulting circuit is A BPF B Narrow BPF C Wide BPF D All of these

3 6148

The magnitude of the gain or integrator transfer function using op-amp is A WR1Cf B -1/WR1Cf C -WR1Cf D 1/WR1Cf

1017

If R1=R2, then B=0.5, the total time T of square wave in astable multivibrator using op-amp is A T=RC B T=2 RC ln 3 C T=2 RC ln 2 D T=2RC ln (1+ 0.5)

1203

A multiplexer, with 3-bei data select inputs, is a A 4:1 multiplexer B 8:1 multiplexer C 16:1 multiplexer D 32:1 multiplexer

1 1848

Minimisation of Boolean logical expressions helps to reduce A Space B Number of gates C Cost D Space,number of gates and cost

2 2539

In 7-segment display system, zero blanking is used to blank out A All the leading zeros B All the trailing zeros C The zero in the MSB(location) D a and b

1 2236

In binary to gray converter, …………… gate is used. A AND B OR C NAND D EX-OR

Micromax,

3 3480

why odd number of lines used for scanning

1374

why we use clamping on transformer

1 1484

can any one say what are the non-scientific calculators?..i use casio ms350...wtr it is a scientific or non-scientific....

Microtek,

1 2312


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Un-Answered Questions { Electronics Communications }

What are the pros of using plasma screens.

227


What are the different oscillators?

221


What is meant by phase controlled rectifier?

254


Why is silicon preferred to germanium in the manufacturing of semiconductor devices?

225


What is the minimum value of tv in msa to calculate r&r?

172






Explain how to program micro controller?

202


How to manufacture the cmos inverter?

192


Define what is a high-pass filter?

231


give some important questions in Airport Authority of india junior Engineer ATC exam?

1226


explain the principle of operation of successive approximation adc.

190


My lcd monitor not showing boot screen[dos]. Whenever I start the pc it shows blank screen till the windows xp starts. will you help me to solve this ?

1154


What is the correct way of weather proofing?

1159


is below 2 ohms earth resistance is good for mobile tower

1353


How is thermal management done in electronic circuitry?

204


Why an ordinary junction transistor is called bipolar?

297