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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,

1129

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

Infosys,

1111

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

Infosys,

1147

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

Infosys,

1287

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

Infosys,

1658

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,

1571

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

Infosys,

1332

Draw a CMOS Inverter. Explain its transfer characteristics

Infosys,

1181

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

Infosys,

1206

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,

1275

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

Infosys,

1403

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

Infosys,

1268

Draw the SRAM Write Circuitry

Infosys,

1186

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

Infosys,

1479

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,

1292

Un-Answered Questions { Embedded Systems }

Write the flags of 8086?

992

How can you reduce interrupt latency?

749

What is the order of calling for the constructors and destructors in case of objects of inherited classes?

851

In 8085 name the 16 bit registers?

1353

What is base segment address?

1088

How is EPROM generally erased

1125

What does 8088 microprocessor have?

1027

Implement a using on .

831

The address capability of 8085 is 64 kb.explain?

1978

Tell me can we put breakpoint inside isr?

930

How many bits microprocessor was first developed?

1041

Tell me how does input/output bus functions?

863

How to detect a sequence of "1101" arriving serially from a signal line?

1060

Explain all the addressing modes of the 8085 with the help of examples.

1074

What are the components of embedded system?

954

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