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 14958

What is the build-in potential?

Wipro,

1 3330

Tell me how MOSFET works.

2428

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

2 11849

How does a Bandgap Voltage reference work?

3907

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

3015

Tell me how BJT works.

2 8064

what is Early effects and their physical origin.

1 4614

what is short Channel effect.

2 8014

How about voltage source?

2271

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

2187

Which type of architecture 8085 has?

DRDO, Sasken, Wipro,

6 34036

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

HCL, Paavai,

5 31085

8085 is how many bit microprocessor?

18 34077

Why is data bus bi-directional?

College School Exams Tests, TCS, Wipro,

11 57473

Un-Answered Questions { Embedded Systems }

Design a transmission gate based xor.

1063

Explain the architecture of 8051 microcontroller ?

998

Explain CMOS Inverter transfer characteristics?

3924

what is meant by a forward reference in c?

821

Other than setb, clr are there any single bit instructions?

1010

Explain what is scr (silicon controlled rectifier)?

1064

What are the different design constraints occur in the synthesis phase?

1101

What is difference between using a macro and inline function?

907

What is the purpose of a watchdog timer?

954

What are the steps required to solve setup and hold violations in vlsi?

1090

Explain the difference between microcontroller and microprocessor?

1096

What is pass by value and pass by reference? How are structure passed as arguments?

897

Describe a time when you collaborated with designers and engineers to deploy a new product. What was your role?

827

Tell us what is the need for an infinite loop in embedded systems?

862

What are the control signals used by the 8085?

1113

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