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Embedded Systems Interview Questions
Questions Answers Views Company eMail

Explain the difference between write through and write back cache.

Intel,

2 15388

Are you familiar with the term MESI?

Intel,

2118

Are you familiar with the term snooping?

Intel,

2923

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

Intel, Sun Microsystems,

2317

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

Intel,

1 4532

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,

2185

Are you familiar with VHDL and/or Verilog?

Intel,

1 3694

What types of CMOS memories have you designed? What were their size? Speed?

e-tec, Intel,

2628

What work have you done on full chip Clock and Power distribution? What process technology and budgets were used?

Intel,

2360

What types of I/O have you designed? What were their size? Speed? Configuration? Voltage requirements?

Intel,

2006

Process technology? What package was used and how did you model the package/system? What parasitic effects were considered?

Intel,

1785

What types of high speed CMOS circuits have you designed?

Intel,

2062

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

Intel,

2875

What products have you designed which have entered high volume production?

Intel,

1966

What was your role in the silicon evaluation or product ramp? What tools did you use?

Intel,

1858

Un-Answered Questions { Embedded Systems }

Explain what is scr (silicon controlled rectifier)?

619

What type of interrupt is the “trap” and what does it do?

573

Which interrupt has highest priority?

643

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

2479

Explain what is slack?

643




Tell me what is interaction semantics used in embedded systems?

497

What is the purpose of using critical sections?

475

Define word?

667

Give the logic expression for an AOI gate. Draw its transistor level equivalent. Draw its stick diagram

851

Is count down_to_zero loop better than count_up_loops?

487

Define signal sampling?

507

Tell me which parameters decide the size of data type for a processor?

559

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

444

How many i/o ports can 8085 access?

682

What are the properties of correlation?

479

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