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Embedded Systems Interview Questions
Questions Answers Views Company eMail

Difference between 80286 and 80287

Mascot,

2 11810

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

Wipro,

2 11693

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 11548

Return address will be returned by function to

Wipro,

2 7608

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

Wipro,

2 9297

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 11956

what is conductance and valence band?

1 6680

What is Fermi level?

5 11180

How does Vbe and Ic change with temperature?

Qualcomm,

3567

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

1 4769

what is Channel length modulation?

Intel,

2 7445

what is the doping?

5 8924

How does a pn junction works?

Wipro,

2 7826

What is the depletion region?

1 5778

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

1 3721


Un-Answered Questions { Embedded Systems }

What is an embedded system and why it is used?

855


What are the differences between mocks and stubs/fakes and where you might use them.

860


Given a layout, draw its transistor level circuit. (I was given a 3 input AND gate and a 2 input Multiplexer. You can expect any simple 2 or 3 input gates)

1253


What is the difference between locking and lockless (optimistic and pessimistic) concurrency models?

955


what differences can you state between the hlt and hold states?

1323


Describe, in as much detail as you think is relevant, as deeply as you can, what happens when I type "cnn.com" into a browser and press "go".

810


What are the data pins of microprocessors?

1269


Explain depletion region.

1094


Which bit of the flag register is set when output overflows to the sign bit?

1211


Tell me why is java mostly used in embedded systems?

861


What is 8255?

1109


Define bit, byte and word.

1476


For CMOS logic, give the various techniques you know to minimize power consumption

1452


Tell me can we put breakpoint inside isr?

1000


What are the steps involved in communication of 8085 microprocessor with the memory?

1058