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 are the two types of noise of MOSFET, how to eliminate them?(Thermal and Flicker).

Analog Devices,

4 15133

What is the build-in potential?

Wipro,

1 3398

Tell me how MOSFET works.

2476

For a 0.18um and 0.8um technology MOSFET, which has a higher cutoff frequency?

2 11926

How does a Bandgap Voltage reference work?

3970

What is the ideal input and output resistance of a current source?

3060

Tell me how BJT works.

2 8160

what is Early effects and their physical origin.

1 4699

what is short Channel effect.

2 8114

How about voltage source?

2322

How to improve these parameters? (Cascode topology, use long channel transistors)

2235

Which type of architecture 8085 has?

DRDO, Sasken, Wipro,

6 34256

How many memory locations can be addressed by a microprocessor with 14 address lines?

HCL, Paavai,

5 31276

8085 is how many bit microprocessor?

18 34571

Why is data bus bi-directional?

College School Exams Tests, TCS, Wipro,

11 57811

Un-Answered Questions { Embedded Systems }

What is kernel paging?

861

What is the importance of causality?

929

Write a constant time consuming statement lot finding out if a given number is a power of 2?

913

What is sectioned convolution? Why is it performed?

928

What is the function of simple thread poll in embedded system?

903

What is an os and what are its functions?

1213

Tell me what is top half & bottom half of a kernel?

862

Explain what is embedded system in a computer system?

826

What is yagni? Is this list of questions an example?

846

What does it mean “the channel is pinched off”?

1399

What is mutex in an embedded system?

895

List out various uses of timers in embedded system?

916

Explain what is scr (silicon controlled rectifier)?

1105

What is watchdog timer?

934

Explain what is meant by a sandbox, why you would use one, and identify examples of sandboxes in the wild.

933

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