Electronics Communications Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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

2002

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

1 3077

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

3868

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

1770

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 2920

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

3 9592

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

1939

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)

2415

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 3129

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

2 4403

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 6375

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

Micromax,

3 5521

why odd number of lines used for scanning

2205

why we use clamping on transformer

1 2754

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

Microtek,

1 3677

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Un-Answered Questions { Electronics Communications }

Differentiate between transducer and transponder.

1113

What is meant by retrace time?

1134

What is the purpose of the package around a microprocessor silicon die?

984

i need ongc engineer trainee electronic test questions

2510

Why capacitor input filter is preferred to choke input filter?

2246

what happens when a cdma user becomes as a roamer?

2004

What is a bcd?

1076

Discuss the role of electronics in the medical world.

1044

What is the chief characterstic of master-slave flip flop?

996

How to program micro controller?

3724

diff between AMD64 and intel P4

2036

why nand-nand realization is preferred over and-or realization?

1848

hello sir, could u plz send me a sample placement paper for hpcl trainee engg exam..(electrical stream)...hoping to hear from u at the earliest

1825

how a log ratio amplifier works?

2153

Explain what are semiconductor devices?

1003

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