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Embedded Systems Interview Questions
Questions Answers Views Company eMail

Tell me what is the need for dmac in es?

 529

Do you know what is virtual memory?

 480

Tell me is count down_to_zero loop better than count_up_loops?

 510

Tell me what is the need for having multibyte data input and output buffers in case of device ports?

 483

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

 497

Do you know what is the function of watchdog timer in embedded system?

 488

Tell me why does pre-emptive multi-threading used to solve the central controller problem?

 524

Tell me whether we can use semaphore or mutex or spinlock in interrupt context in linux kernel?

 499

Please explain what is semaphore?

 561

Tell me can include files be nested?

 511

Tell me what are the different storage classes in c?

 536

Explain me what is semaphore?

 545

Tell me can a variable be both const and volatile?

 554

Tell me can we put breakpoint inside isr?

 557

Tell me what is null pointer and what is its use?

 547

Un-Answered Questions { Embedded Systems }

How many instruction bits does 8085 processor support?

682

What is the difference between the mealy and moore state machine?

685

Explain what is a watchdog timer?

532

explain the various functional blocks of the 8085 microprocessor.

664

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

2980




Design an 8 is to 3 encoder using 4 is to encoder?

959

Explain about 6-T XOR gate?

837

Which interrupt is not level-sensitive in 8085?

750

When do you know your code is ready for production?

578

Tell me what are the qualifiers in c?

504

Why do we use two ground pins in the pin diagram of 8086?

840

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

2440

Explain why do you use two ground pins in microprocessor 8086?

745

What is the purpose of pipe lining in reference to 8086?

673

Does 8085 have serial i/o control?

719

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