Embedded Systems Interview Questions
Questions Answers Views Company eMail

Difference between 80286 and 80287

Mascot,

2 6361

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

Wipro,

2 6938

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 6335




Return address will be returned by function to

Wipro,

2 3341

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

Wipro,

2 4518

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 6382

what is conductance and valence band?

1 2857

What is Fermi level?

5 4278

How does Vbe and Ic change with temperature?

Qualcomm,

1654

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

1080

what is Channel length modulation?

Intel,

1364

what is the doping?

5 2837

How does a pn junction works?

Wipro,

1 3356

What is the depletion region?

1 2699

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

797







Un-Answered Questions { Embedded Systems }

You have a driver that drives a long signal & connects to an input device. At the input device there is either overshoot, undershoot or signal threshold violations, what can be done to correct this problem?

814


Basic Stuff related to Perl?

1325


For a single computer processor computer system, what is the purpose of a processor cache and describe its operation?

791


How does Vbe and Ic change with temperature?

1654


what is the command/instruction in ARM that does not do anything or does not execute any instruction ? (except NOP instruction)

1783


Explain sizing of the inverter?

2638


What products have you designed which have entered high volume production?

954


What's the price in 1K quantity?

1276


What is pipelining and how can we increase throughput using pipelining?

2249


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

1128


Explain the operation of a 6T-SRAM cell?

2748


Explain the working of 4-bit Up/down Counter?

2793


How do you size NMOS and PMOS transistors to increase the threshold voltage?

1322


Tell me how MOSFET works.

957


What was your role in the silicon evaluation/product ramp? What tools did you use?

1994