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

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VLSI (297)
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Embedded Systems Interview Questions

Questions Answers Views Company eMail

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

6 16923

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

1 14296

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 6971

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

2828

What are the different Adder circuits you studied?

6 12665

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

Infosys, Wipro,

4 12252

Draw a Transmission Gate-based D-Latch?

1 12056

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

Wipro,

1 11458

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

Intel,

5 20270

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

2 8561

Design any FSM in VHDL or Verilog?

2 12407

Explain RC circuit?s charging and discharging?

Epsilon,

5 29080

Explain the working of a binary counter?

3 15928

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

Qualcomm,

1 8784

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

Qualcomm, RIM,

13 27522

Un-Answered Questions { Embedded Systems }

Tell me what happens when recursive functions are declared inline?

895

Left to your own devices, what would you create?

750

Tell me when one must use recursion function? Mention what happens when recursion functions are declared inline?

885

Describe the structure and contents of a design document, or a set of design documents, for a multi-tiered web application.

834

What is impulse response? Explain its significance.

897

State difference between analog and digital signals.

932

Mention the types of interrupts that 8085 supports?

1004

What are the ways to Optimize the Performance of a Difference Amplifier?

2444

Have you designed ui, user interface?

790

Explain about 6-T XOR gate?

1268

Device density on a microprocessor/chip?

1119

Signal voltage ranges for a logic high and for a logic low in RS-232C standard are

1087

What is the difference between jmp and call?

1138

Explain the architecture of 8051 microcontroller ?

993

How about voltage source?

2264

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