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Embedded Systems Interview Questions
Questions Answers Views Company eMail

Difference between 80286 and 80287

Mascot,

2 11699

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

Wipro,

2 11611

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 11430

Return address will be returned by function to

Wipro,

2 7523

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

Wipro,

2 9211

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 11799

what is conductance and valence band?

1 6606

What is Fermi level?

5 11002

How does Vbe and Ic change with temperature?

Qualcomm,

3518

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

1 4679

what is Channel length modulation?

Intel,

2 7333

what is the doping?

5 8775

How does a pn junction works?

Wipro,

2 7727

What is the depletion region?

1 5720

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

1 3637


Un-Answered Questions { Embedded Systems }

Draw the Cross Section of an Inverter? Clearly show all the connections between M1 and poly, M1 and diffusion layers etc?

3380


Explain the components of an embedded system?

911


What is internal structure of 8086?

1015


What is the function of ale in 8085 microprocessor?

1102


Calculate rise delay of a 3-input NAND gate driving a 3-input NOR gate through a 6mm long and 0.45m wide metal wire with sheet resistance R = 0.065 / and Cpermicron= 0.25 fF/m. The resistance and capacitance of the unit NMOS are 6.5k and 2.5fF. Use a 3 segment -model for the wire. Consider PMOS and NMOS size of reference inverter as 2 and 1 respectively. Use appropriate sizing for the NAND and NOR gate.

3870


Tell me what are the different types of customizations that is used with the “volatile” keyword?

887


what is the difference between the TTL chips and CMOS chips?

1133


List out the features of 8051 microcontroller?

1249


Explain what is the depletion region?

1090


Explain interrupt latency and how can we decrease it?

834


The interrupt response time is determined by?

1048


Draw Vds-Ids curve for a MOSFET. Now, show how this curve changes with increasing transistor width.

1306


What is refactoring? Have you used it and it is important? Name three common refactorings.

789


Explain the uses of timers in embedded system?

843


what is multiplexer?

1166