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Embedded Systems Interview Questions
Questions Answers Views Company eMail

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

Infosys,

1087

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

Infosys,

1059

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

Infosys,

1090

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

Infosys,

1234

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

Infosys,

1592

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

Infosys,

1505

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

Infosys,

1246

Draw a CMOS Inverter. Explain its transfer characteristics

Infosys,

1135

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

Infosys,

1173

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)

Infosys,

1227

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

Infosys,

1349

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

Infosys,

1209

Draw the SRAM Write Circuitry

Infosys,

1140

Give the logic expression for an AOI gate. Draw its transistor level equivalent. Draw its stick diagram

Infosys,

1411

Why do we gradually increase the size of inverters in buffer design? Why not give the output of a circuit to one large inverter?

Infosys,

1242


Un-Answered Questions { Embedded Systems }

Whose blogs or podcasts do you follow? Do you blog or podcast?

693


Design a divide-by-3 sequential circuit with 50% duty circle now?

1000


How many bit microprocessor is the 8086 microprocessor?

1074


What is a inode?

843


In what is the ready pin of a microprocessor used

1114


Explain the concept of convention over configuration, and talk about an example of convention over configuration you have seen in the wild.

769


What is Noise Margin? Explain the procedure to determine Noise Margin?

2415


How can interrupts be classified in the 8086?

1120


Mention what is the difference between microprocessor and microcontroller?

1044


Tell me what are the qualifiers in c?

845


Write the properties of linear convolution.

800


What is the position of the stack pointer after the push instruction?

1324


What is the difference between nmos and pmos technologies?

1060


Differentiate testing and verification?

874


What are the types of embedded system?

942