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

Electronics Communications Interview Questions

Questions Answers Views Company eMail

What is the difference between dcs & plc & scada?

1320

What is a bcd? What are its advantages and disadvantages?

1125

Define snooping cache?

1122

Define virtual ground in the op amp?

1087

Explain why is an excess-3 code is called an unweighted code?

1170

What is the differences between microprocessor and micro controller?

1083

Explain why gold is added to the p-n junction?

1253

Define noise in modulation?

1297

Explain how many mosfet switches are there in dynamic ram?

1105

Explain the purpose of the package around a microprocessor silicon die?

982

Explain how to calculate knee point voltage? Describe its purpose for differential protection.

1074

Explain the main application of scr in electronic field as well as in software field?

1171

What is memristor? What is its advantage?

1032

Explain when a sample of germanium and silicon having same impurity density are kept at room temperature then resistivity of silicon will be higher than that of germanium, why?

1152

what is different between three phase balanced and three phase unbalanced load with chart.?

1245

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Un-Answered Questions { Electronics Communications }

How Passive cards like Back planes to be tested throughly?

1954

In micro controller individual pin output current is 1.6ma .Normally to blink a led we need minium 10-12 ma. But if we connect led to the micro controller pins without additional device it blinks. How it is possible

2114

Can some body explain me please..mobile to mobile call flow explaination..

1976

explain structure of optical fibre

2302

what is perfect balance in opamp?

1176

As a water tank loses heat, the temperature drops by 2 K/min when a heater is on, the system gains temperature at 4 K/min. A two-position controller has a 0.5 min control lag and a neutral zone of ± 4% of the setpoint about a setpoint of 323 K. Plot the heater temperature versus time. Find the oscillation period

2584

What is the output of the lexical analyser?

1114

what is inductive couplers

2325

What are the main components of AMF panel. Is it required to use ATS in LT panel if DG is used as stand by supply? Please send any single line diagram showing AMF & LT panel etc., if possible please send to sreenu_207 @ yahoo.co.in

6979

What is difference between FR & GB over IP

5359

What is the difference between latches and flip flop?

1179

Write two characteristics of combinational circuits.

1111

What is meant by fm control in a dc chopper?

1499

What is the importance of peak inverse voltage?

1207

Explain the difference between leds and pn junction diode?

1094

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