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Embedded Systems Interview Questions
Questions Answers Views Company eMail

Tell me the steps involved in demodulating a signal.

Ericsson,

976

What is the basic concept of frequency re-use?

Ericsson,

884

What do you mean by ionospheric bending?

Ericsson,

874

State difference between analog and digital signals.

HPCL, Hughes Systique Corporation,

932

Tell me some applications of DSP?

Ericsson,

865

Explain the different types of AM, FM along with the Diagrams on the paper.

Huawei,

904

Mention what are the different gates where Boolean logic are applicable?

1128

what is a sequential circuit?

1163

what is the use of defpararm?

1142

Explain how binary number can give a signal or convert into a digital signal?

1123

why is the number of gate inputs to CMOS gates usually limited to four?

1339

what are three regions of operation of MOSFET and how are they used?

1238

what is SCR (Silicon Controlled Rectifier)?

1040

Explain why present VLSI circuits use MOSFETs instead of BJTs?

1145

what is multiplexer?

1160


Un-Answered Questions { Embedded Systems }

Define microcontroller?

1055


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

4433


What is system bus?

1191


Help with VHDL programming. Write a VHDL code for a D-Latch with clear input ?? (Hint: Set up a “Process” with appropriate sensitivity list to get the desired D-Latch with Clr working.) Inputs AND OUTPUTS: entity Lab4b is Port ( Clr, Clk, D : in STD_LOGIC; Q : out STD_LOGIC); end Lab4b;

1600


explain about the characters of internal interrupts?

1170


How many instruction bits does 8085 processor support?

1083


What is the function of simple thread poll in embedded system?

851


List out the features of 8051 microcontroller?

1241


How does the interrupt architecture works?

891


How do you reduce interrupt latency?

894


Describe the (status) flag register of 8085?

1033


How might a task-based model differ from a threaded model?

807


Accessing fixed memory locations

904


What are the different functional units in 8086?

1141


Why do we need a infinite loop in embedded systems development? What are the different ways by which you can code in a infinite loop?

893