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Embedded Systems Interview Questions
Questions Answers Views Company eMail

Explain the functions of the two dma signals hold and hlda?

 677

What are the functions of base registers?

 615

Comment the size of stack?

 581

Describe the instruction register of 8085?

 628

What is the distinguishing feature of db and ab?

 1251

Explain xthl, daa, rc instructions.

 723

What are the functions of general purpose registers?

 613

Why the lower byte address bus(a0-a7) and data bus (d0-d7) are multiplexed?

 1210

Mention the addressing modes of 8085?

 647

Explain sphl instruction?

 694

Name the pin in 8086 microprocessor that is used for selecting mode of operation?

 610

Mention interrupts pins of 8085?

 711

What is meant by address space? What is meant by address space partitioning?

 579

Mention the types of interrupts that 8085 supports?

 590

How subroutine can be called from the main program and how the program returns from the subroutine?

 541

Un-Answered Questions { Embedded Systems }

Explain the internal architecture of the 8086 microprocessor?

598

Explain the pointers and index group of registers

592

Define macros with the help of an example.

608

Write the flags of 8086?

607

How clock signal is generated in 8086? What is the maximum internal clock frequency of 8086?

944




What does DMA address will deal with?

489

What is the order of calling for the constructors and destructors in case of objects of inherited classes?

475

Explain the significance of signal?

584

Explain me what is kernel paging?

453

What is system bus?

754

classifying discrete time systems.

538

What is special function registers (sfr)?

668

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

454

Tell me when one must use recursion function? Mention what happens when recursion functions are declared inline?

452

What is function of ale in 8085 microprocessor?

586

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