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

8051 Was developed using which technology?

1245

Are all the bits of flag register used in 8051?

994

Explain the addresses which are bit addressable?

1187

Can port 0 be used as input output port?

1154

Which bit of the flag register is set when output overflows to the sign bit?

1179

Explain jnc.?

1105

Explain db?

1102

What are the four distinct types of memory in 8051?

1743

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

1010

What is special function registers (sfr)?

1197

Give example of bit address and byte address?

1109

Explain the architecture of 8051 microcontroller ?

998

Which 2 ports combine to form the 16 bit address for external memory access?

1226

List out addressing modes in mcs-51?

1126

What is the width of address bus?

1119

Un-Answered Questions { Embedded Systems }

Tell me can a variable be both const and volatile?

892

What transistor level design tools are you proficient with? What types of designs were they used on?

5070

Which interrupt has highest priority?

1110

What are the different types of embedded systems?

850

Tell me why is it better to use multi-threading polling then single threading model?

823

Which parameters decide the size of data type for a processor?

860

Draw the Differential Sense Amplifier and explain its working. Any idea how to size this circuit? (Consider Channel Length Modulation)

1370

Explain me what is the main function of multiplexed address/data bus?

833

What are the Factors affecting Power Consumption on a chip?

1286

Explain sphl instruction?

1127

what are buses used for communication in embedded system?

889

What is an embedded system and why it is used?

817

What is the function of enhancement mode transistor?

1117

You have two computers, and you want to get data from one to the other. How could you do it?

837

What is interrupt latency and how can we decrease it?

783

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