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Infosys Interview Questions

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Draw Vds-Ids curve for a MOSFET. Now, show how this curve changes considering Channel Length Modulation.

1211

Draw the stick diagram of a NOR gate. Optimize it

1295

Given a layout, draw its transistor level circuit. (I was given a 3 input AND gate and a 2 input Multiplexer. You can expect any simple 2 or 3 input gates)

1204

Draw the timing diagram for a SRAM Read. What happens if we delay the enabling of Clock signal?

1135

Draw Vds-Ids curve for a MOSFET. Now, show how this curve changes with increasing Vgs.

1121

Approximately, what were the sizes of your transistors in the SRAM cell? How did you arrive at those sizes?

1151

Draw a 6-T SRAM Cell and explain the Read and Write operations

1291

Draw a transistor level two input NAND gate. Explain its sizing (a) considering Vth (b) for equal rise and fall times

1663

You have three adjacent parallel metal lines. Two out of phase signals pass through the outer two metal lines. Draw the waveforms in the centre metal line due to interference. Now, draw the signals if the signals in outer metal lines are in phase with each other

1573

What is Latch Up? Explain Latch Up with cross section of a CMOS Inverter. How do you avoid Latch Up?

1343

Draw a CMOS Inverter. Explain its transfer characteristics

1188

How does the size of PMOS Pull Up transistors (for bit & bit- lines) affect SRAM's performance?

1211

For an AND-OR implementation of a two input Mux, how do you test for Stuck-At-0 and Stuck-At-1 faults at the internal nodes? (You can expect a circuit with some redundant logic)

1281

For CMOS logic, give the various techniques you know to minimize power consumption

1413

What is Charge Sharing? Explain the Charge Sharing problem while sampling data from a Bus

1278

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Un-Answered Questions

What is the difference between Triggers and Stored Procedure?

1097

I am B.Sc (Electronics Hns) from CU and MSc [Comp Science] from SMU. Working as software developer in leading MNC for 7 years and also visited USA for 2.5 years. But now want to come out from IT industry. Can any one help me on what are the different options I can try any from where I can get all those news.

2159

WHY DO VOLTAGE TRANSFORMERS FAIL DURING EARTH FAULT IN THE DELTA CONNECTED 6.6KV ELECTRICAL SYSTEM

1996

Is age a discrete variable?

983

Do I need to install hadoop for spark?

272

What is the importance of php?

964

What contaminants are affecting fisheries?

2109

Provide some instances where you have "xmlns:x" namespace in xaml?

155

What is "singleton" instance mode in wcf?

1147

What is 'ethical seo'?

775

Define grading?

What are the elementary tests you can run?

1965

What is the purpose of console object?

490

What is encapsulation in c++?

1301

What is partition by in sql?

1070