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

Insights of a Tri-State Inverter?

Intel,

3 9118

Basic Stuff related to Perl?

Intel,

2867

Have you studied buses? What types?

Intel,

5 17190

Have you studied pipelining? List the 5 stages of a 5 stage pipeline. Assuming 1 clock per stage, what is the latency of an instruction in a 5 stage machine? What is the throughput of this machine ?

Intel,

4 14254

How many bit combinations are there in a byte?

Intel,

6 12253

For a single computer processor computer system, what is the purpose of a processor cache and describe its operation?

Intel,

3 11845

Explain the operation considering a two processor computer system with a cache for each processor.

Intel,

2890

What are the main issues associated with multiprocessor caches and how might you solve them?

Intel,

1 9945

Explain the difference between write through and write back cache.

Intel,

2 19224

Are you familiar with the term MESI?

Intel,

1 11194

Are you familiar with the term snooping?

Intel,

1 10231

Describe a finite state machine that will detect three consecutive coin tosses (of one coin) that results in heads.

Intel,

1 18338

In what cases do you need to double clock a signal before presenting it to a synchronous state machine?

IBM, Intel, nvidia,

3 21038

You have a driver that drives a long signal & connects to an input device. At the input device there is either overshoot, undershoot or signal threshold violations, what can be done to correct this problem?

Intel,

4 16244

What are the total number of lines written by you in C/C++? What compiler was used?

Intel, Zensar,

1 5717

Un-Answered Questions { Embedded Systems }

what is multiplexer?

1218

what is dsp?

933

Are you familiar with the term MESI?

2832

Why do we need virtual device drivers when we have physical device drivers?

945

Tell me how do you detect if two 8-bit signals are same?

1162

How can you reduce interrupt latency?

814

Explain the software analysis process, such as code analysis, code metrics, and system risk analysis or software reliability.

980

Explain the working of 4-bit Up/down Counter?

4488

Mention what are the different gates where Boolean logic are applicable?

1188

Give a big picture of the entire SRAM Layout showing your placements of SRAM Cells, Row Decoders, Column Decoders, Read Circuit, Write Circuit and Buffers

1158

Explain about the classification of instruction operations

1172

State the order of interrupts priority wise (lower to higher)?

1058

What is the difference between nmos and pmos technologies?

1156

What is the width of address bus?

1167

Tell me what are the uses of the keyword volatile?

851

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