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

What is Noise Margin? Explain the procedure to determine Noise Margin?

2461

Give the expression for CMOS switching power dissipation?

Cypress Semiconductor,

2 8325

What is Body Effect?

CG CoreEL, Cisco, TA,

2521

What happens to delay if you increase load capacitance?

Google,

1 3657

What are the limitations in increasing the power supply to reduce delay?

Infosys,

2 13514

How does Resistance of the metal lines vary with increasing thickness and increasing length?

Infosys,

3 13609

What happens if we increase the number of contacts or via from one metal layer to the next?

Infosys,

1 7571

Give the various techniques you know to minimize power consumption?

5 13095

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

1 4677

What happens if we use an Inverter instead of the Differential Sense Amplifier?

3004

What is the critical path in a SRAM?

3198

In a SRAM layout, which metal layers would you prefer for Word Lines and Bit Lines? Why?

Infosys,

4128

How can you model a SRAM at RTL Level?

1 10892

How is the non-periodic nature of the input signal handled?

Qualcomm,

5 17199

Is the Gibbs phenomenon ever a factor?

Qualcomm,

5 14322

Un-Answered Questions { Embedded Systems }

Which type of JMP instruction assembles if the distance is 0020h bytes

1402

Explain what is embedded system in a computer system?

785

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

2841

What source control systems have you worked with?

994

A=7; b=8; x=a++-b; printf(“%d”, x ); what does this code give as output?

1033

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

1125

How to create a child process in linux?

1065

What is 8251?

1169

What is the difference between program memory and data memory?

1156

What is line of sight?

934

What is the main function of metastability in vsdl?

1068

Explain scope of static variables?

973

What is equ?

888

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)

1204

What are the boons and banes of having more general purpose registers in a microprocessor.

1191

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