Embedded Systems Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Embedded Systems Interview Questions

Questions Answers Views Company eMail

Difference between 80286 and 80287

Mascot,

2 11565

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

Wipro,

2 11474

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 11293

Return address will be returned by function to

Wipro,

2 7356

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

Wipro,

2 9101

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 11574

what is conductance and valence band?

1 6485

What is Fermi level?

5 10714

How does Vbe and Ic change with temperature?

Qualcomm,

3463

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

1 4534

what is Channel length modulation?

Intel,

2 7127

what is the doping?

5 8508

How does a pn junction works?

Wipro,

2 7565

What is the depletion region?

1 5601

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

1 3522

Un-Answered Questions { Embedded Systems }

Tell me what is microcontroller?

793

Give examples for maskable interrupts?

1061

Give truth table for a half adder, give a gate level implementation of the same?

967

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

805

State difference between analog and digital signals.

878

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

2785

What is instruction cycle?

1105

What are the index registers in 8086?

1011

Define crossbar switching with reference to 8086?

951

What are the different types of memory addressing modes?

961

What is the significance of the hold and hlda pins?

1024

What is threshold voltage?

1127

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

1139

What is the function of watchdog timer in embedded system?

829

Intel 8051 follows which architecture?

1044

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