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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.

1205

Draw the stick diagram of a NOR gate. Optimize it

1281

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)

1200

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

1122

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

1111

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

1147

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

1285

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

1656

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

1569

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

1332

Draw a CMOS Inverter. Explain its transfer characteristics

1181

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

1204

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)

1275

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

1402

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

1266

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Un-Answered Questions

What is a zener diode?

1086

Explain what is the ray of light?

971

Can we call servlet from jsp?

881

Define data contracts?

776

What are the two ways in which you can create and manage Alerts in QlikView?

Explain service contracts?

842

Which interface is responsible for transaction management in jdbc?

1019

Define vatting?

what is the difference between IE5 and IE6

2695

what is the difference between bussiness development and bussiness system analyst?

2414

How do you use n in python?

822

What is semmsl (max-sem-nsems in solaris 10+)?

829

Explain pick applet?

973

Can you discuss the potential impact of emerging technologies, such as neuromodulation or neurostimulation, on neurological practice?

What is encapsulation c#?

1072