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

86 Family (470)
VLSI (297)
DSP (55)
Embedded Systems AllOther (399)

Embedded Systems Interview Questions

Questions Answers Views Company eMail

Give a circuit to divide frequency of clock cycle by two ?

6 16948

Design a divide-by-3 sequential circuit with 50% duty circle?

1 14300

Suppose you have a combinational circuit between two registers driven by a clock. What will you do if the delay of the combinational circuit is greater than your clock signal?

Wipro,

3 6981

The answer to the above question is breaking the combinational circuit and pipelining it. What will be affected if you do this?

2834

What are the different Adder circuits you studied?

6 12691

Give the truth table for a Half Adder, Give a gate level implementation of the same?

Infosys, Wipro,

4 12269

Draw a Transmission Gate-based D-Latch?

1 12062

Design a Transmission Gate based XOR. Now, how do you convert it to XNOR?

Wipro,

1 11463

How do you detect if two 8-bit signals are same?

Intel,

5 20290

How do you detect a sequence of "1101" arriving serially from a signal line?

2 8569

Design any FSM in VHDL or Verilog?

2 12418

Explain RC circuit?s charging and discharging?

Epsilon,

5 29106

Explain the working of a binary counter?

3 15944

Design a circuit for A + abs(B) = C, where A and B are 4 bits wide and 2?s complement representation

Qualcomm,

1 8801

Design a circuit to detect when 3 and only 3 bits are set out of 8 bits.(eg. o0101100)

Qualcomm, RIM,

13 27572

Un-Answered Questions { Embedded Systems }

Discuss pc and sp?

1038

Differentiate between hardware and software interrupts and state examples for both?

982

What was is the primary usage of a 8085 microprocessor?

1058

what is the undefined bits in flag registers of 8085 microprocessor?

2118

How the stack is initialized?

1076

What is the difference between jmp and call?

1145

What is discrete time system?

922

Define edge or level sensitive interrupts?

1090

How to detect a sequence of "1101" arriving serially from a signal line?

1063

How does combination of functions reduce memory requirements in embedded systems?

936

What does malloc do? What will happen if we have a statement like malloc(sizeof(0));

851

Explain all the addressing modes of the 8085 with the help of examples.

1083

What is difference between using a macro and inline function?

909

How does Vbe and Ic change with temperature?

3518

What is special function registers (sfr)?

1198

For More Un-Answered { Embedded Systems } Questions Click Here