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Embedded Systems Interview Questions
Questions Answers Views Company eMail

Explain various adders and difference between them?

Intel,

1264

For f = AB+CD if B is S-a-1, what are the test vectors needed to detect the fault?

Intel,

1296

Implement a function with both ratioes and domino logic and merits and demerits of each logic?

Intel,

1237

Explain the working of Insights of a pass gate ?

Intel,

1303

Explain the Working of a 2-stage OPAMP?

Intel,

1237

why 8085 processor is called an 8 bit processor?

Rolta,

1096

In what way interrupts are classified in 8085?

4Cplus,

1222

what are the various flags used in 8085?

4Cplus,

1328

what is program counter?

Wipro,

1162

Give a big picture of the entire SRAM Layout showing your placements of SRAM Cells, Row Decoders, Column Decoders, Read Circuit, Write Circuit and Buffers

Infosys,

1158

Draw the Differential Sense Amplifier and explain its working. Any idea how to size this circuit? (Consider Channel Length Modulation)

Infosys,

1408

In the design of a large inverter, why do we prefer to connect small transistors in parallel (thus increasing effective width) rather than lay out one transistor with large width?

Infosys,

1240

Draw Vds-Ids curve for a MOSFET. Now, show how this curve changes considering Channel Length Modulation.

Infosys,

1251

Draw the stick diagram of a NOR gate. Optimize it

Infosys,

1331

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)

Infosys,

1253


Un-Answered Questions { Embedded Systems }

What are real-time embedded systems?

871


What is 8051 microcontroller ?

1198


Tell me how does the interrupts handle by using the threads?

888


Mention what are the two types of procedural blocks in Verilog?

1374


Have you designed ui, user interface?

840


What are the types of interrupts from type 0 to 4

1017


What is Nyquist rate?

934


What are recursive and non recursive systems? give examples?

1236


What is function of ale in 8085 microprocessor?

1125


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

1244


What are the various regions of operation of mosfet? How are those regions used?

1182


What elements of oo design are most prone to abuse? How would you mitigate that?

1027


When a discrete time signal is called periodic?

898


Explain what is the depletion region?

1128


Tell me what is the need for dmac in es?

874