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Infosys VLSI Interview Questions

Questions Answers Views Company eMail

What are the limitations in increasing the power supply to reduce delay?

2 13320

How does Resistance of the metal lines vary with increasing thickness and increasing length?

3 13454

What happens if we increase the number of contacts or via from one metal layer to the next?

1 7456

In a SRAM layout, which metal layers would you prefer for Word Lines and Bit Lines? Why?

4064

Insights of a 2 input NOR gate. Explain the working?

1 3553

Differences between DRAM and SRAM?

14 72248

What types of high speed CMOS circuits have you designed?

2 14453

Give a big picture of the entire SRAM Layout showing your placements of SRAM Cells, Row Decoders, Column Decoders, Read Circuit, Write Circuit and Buffers

1061

Draw the Differential Sense Amplifier and explain its working. Any idea how to size this circuit? (Consider Channel Length Modulation)

1311

In the design of a large inverter, why do we prefer to connect small transistors in parallel (thus increasing effective width) rather than lay out one transistor with large width?

1129

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

1142

Draw the stick diagram of a NOR gate. Optimize it

1227

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)

1158

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

1087

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

1059

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Un-Answered Questions

A corporation is deploying a brand new two-tier internet application in aws. The corporate has restricted workers and needs high handiness, and also the application needs advanced queries and table joins. That configuration provides the answer for the company’s requirements?

152

What is database or database management systems (dbms)? And what's the difference between file and database? Can files qualify as a database?

859

In Sales order the order quantity is 10 but 6 is billed the status is shown as being processed after that i changed the order quantity to 6 and saved then status showed completed but now i had change the quantity to 10 now the status is changed to being processed ,the question is now the 4 number quantity has to bill and now if the stock is there and whether the 4 numbers will be picked or not picked by the order?

2364

Can I write code for android using c/c++?

893

Explain how to add controls dynamically to the form using c#.net.

919

What is gradle android?

871

Is it conceivable to call the apex method in javascript code? If yes then clarify? : sap bobi

876

Which are necessary for an agent to solve an online search problem? a) Actions b) Step-cost function c) Goal-test d) All of the mentioned

2135

What function must you choose to add columns in a table?

What is the importance of capitalization?

1031

Backup Script was blocked you are unable to archive the data now. how do you analyze it and where do you identify ?

1998

What are delegates swift 4?

754

What is xml source qualifier transformation in informatica?

1177

What are the main respective constituents of cell walls in bacteria, protists, fungi and plants?

778

Define sanitization process?

212