Embedded Systems Interview Questions
Questions Answers Views Company eMail

Difference between 80286 and 80287

Mascot,

2 8255

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

Wipro,

2 8559

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 8189




Return address will be returned by function to

Wipro,

2 4627

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

Wipro,

2 6042

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 7536

what is conductance and valence band?

1 4215

What is Fermi level?

5 5958

How does Vbe and Ic change with temperature?

Qualcomm,

2267

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

1 2136

what is Channel length modulation?

Intel,

2 2981

what is the doping?

5 4321

How does a pn junction works?

Wipro,

2 4568

What is the depletion region?

1 3653

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

1 1403







Un-Answered Questions { Embedded Systems }

What the sp register does in a program?

9


Explain the difference between microcontroller and microprocessor?

5


What are hard and soft real time systems?

19


What is physical address?

12


How are time delays calculated in the 8085?

10






Explain the instruction stream queue mechanism in the 8086?

8


What is the width of address bus?

15


What is the maximum internal clock frequency of 8086?

12


Explain the Charge Sharing problem while sampling data from a Bus?

3365


Does alu have any storage facility?

11


In how many groups can the signals of 8085 be classified?

13


What is processor cycle (machine cycle)?

17


What are the different types of arithmetic operations that can be performed by the 8085 microprocessor?

13


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

13


Indicate different machine cycles of 8085?

12