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

For a NMOS transistor acting as a pass transistor, say the gate is connected to VDD, give the output for a square pulse input going from 0 to VDD

Infosys,

1450

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

Infosys,

1303

Let A & B be two inputs of the NAND gate. Say signal A arrives at the NAND gate later than signal B. To optimize delay, of the two series NMOS inputs A & B, which one would you place near the output?

Infosys,

1453

Why is digital communication better than analogue communication?

Aricent,

837

Using four cascaded counters with a total of 8 bits, how many states must be deleted to achieve a modulus of 20,000?

Ittiam Systems,

1018

How many bits microprocessor was first developed?

Honeywell,

1041

In 8085 name the 16 bit registers?

4Cplus,

1353

What is the RST for the TRAP?

1366

Device density on a microprocessor/chip?

Sony,

1119

How can you increase ports of a microprocessor?

Honeywell, Zomato,

1314

Which interrupt is not level-sensitive in 8085?

1092

What is the purpose of Program Counter in a Micro - Processor?

984

Can you tell how many pins are there in 8085 Microprocessor?

Honeywell, Huawei, Zomato,

992

What do you mean by radio environment in building?

Ericsson,

926

Tell me the role of a car driver as one of a feedback mechanism.

Ericsson,

963

Un-Answered Questions { Embedded Systems }

Are you familiar with the term MESI?

2734

How clock signal is generated in 8086?

1212

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

1396

Describe the non-vectored interrupt process?

1075

What is the difference between harvard architecture and von neumann architecture?

1138

What is equ?

880

What are the various interrupts in 8086?

1109

What are the widths of data bus (db) and address bus (ab) of 8085?

1056

What is an interrupt service routine?

1037

Draw the stick diagram of a NOR gate. Optimize it

1289

What are recursive and non recursive systems?

920

What is an interrupt? List various types of interrupts available in 8051 microcontroller?

1139

What is the structure of psp?

1071

Do you know what is priority inversion?

858

If you've integrated new software in an existing system, tell us how you evaluated and identified the requirements for this new technology.

950

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