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Embedded Systems Interview Questions
Questions Answers Views Company eMail

Difference between 80286 and 80287

Mascot,

2 10483

In a processor these are 120 instructions . Bits needed to impliment this instructions [a] 6 [b] 7 [c] 10 [d] none

Wipro,

2 10381

In 8085 microprocessor READY signal does.which of the following is incorrect statements [a]It is input to the microprocessor [b] It sequences the instructions

Wipro,

2 10214

Return address will be returned by function to

Wipro,

2 6214

load a mul a store t1 load b mul b store t2 mul t2 add t1 then the content in accumulator is

Wipro,

2 7940

In 8085 microprocessor READY signal does.which of the following is incorrect statements [a]It is input to the microprocessor [b] It sequences the instructions

Wipro,

4 10141

what is conductance and valence band?

 1 5559

What is Fermi level?

 5 9089

How does Vbe and Ic change with temperature?

Qualcomm,

2961

If the substrate doping concentration increase, or temperature increases, how will Vt change? it increase or decrease?

 1 3589

what is Channel length modulation?

Intel,

2 5705

what is the doping?

 5 6922

How does a pn junction works?

Wipro,

2 6347

What is the depletion region?

 1 4789

Tell me the parameters as many as possible you know that used to character an amplifier?

 1 2637

Un-Answered Questions { Embedded Systems }

What is the difference between maskable interrupts and non-maskable interrupts?

559

Explain what is the difference between mutexes and semaphores?

409

How will you classify the discrete time signals?

517

What does quality factor mean?

610

Explain what is meant by a sandbox, why you would use one, and identify examples of sandboxes in the wild.

498




Explain memory mapped i/o and i/o mapped i/o schemes?

779

Define microcontroller?

616

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

599

Is count down_to_zero loop better than count_up_loops?

494

What is processor cycle (machine cycle)?

638

What is priority inheritance?

437

What is inversion of control? How does that relate to dependency injection?

454

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

450

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

4580

In the instruction FADD, What does F stands for

814

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