Embedded Systems Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Embedded Systems Interview Questions

Questions Answers Views Company eMail

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

2415

Give the expression for CMOS switching power dissipation?

Cypress Semiconductor,

2 8216

What is Body Effect?

CG CoreEL, Cisco, TA,

2466

What happens to delay if you increase load capacitance?

Google,

1 3570

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

Infosys,

2 13320

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

Infosys,

3 13454

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

Infosys,

1 7456

Give the various techniques you know to minimize power consumption?

5 12847

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

1 4065

What happens if we use an Inverter instead of the Differential Sense Amplifier?

2943

What is the critical path in a SRAM?

3108

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

Infosys,

4064

How can you model a SRAM at RTL Level?

1 10793

How is the non-periodic nature of the input signal handled?

Qualcomm,

5 16974

Is the Gibbs phenomenon ever a factor?

Qualcomm,

5 14108

Un-Answered Questions { Embedded Systems }

Tell me how does input/output bus functions?

815

Let A & B be two inputs of the NAND gate. Say signal A arrives at the NAND gate later than signal B. To optimize delay, of the two series NMOS inputs A & B, which one would you place near the output?

1401

Explain the components of an embedded system?

843

Mention the addressing modes of 8085?

1011

What type of software simulator and developer have you used?

734

Can you please explain the difference between mutexes vs semaphores?

775

What is the operating frequency of 8085?

1062

Tell me how to create a child process in linux?

709

Explain the working of Insights of a pass gate ?

1161

Are you familiar with design patterns? What design software have you used and in what situations?

776

Explain why is the number of gate inputs to cmos gates usually limited to four?

1453

What is the purpose of the segment register?

743

What is the stack segment used for?

1092

If an/ap = 0.5, an/ap = 1, an/ap = 3, for 3 inverters draw the transfer characteristics?

2450

Define the jobs performed by the biu and eu in the 8086.

1209

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