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Embedded Systems Interview Questions
Questions Answers Views Company eMail

Explain various adders and difference between them?

Intel,

1157

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

Intel,

1197

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

Intel,

1152

Explain the working of Insights of a pass gate ?

Intel,

1164

Explain the Working of a 2-stage OPAMP?

Intel,

1147

why 8085 processor is called an 8 bit processor?

Rolta,

994

In what way interrupts are classified in 8085?

4Cplus,

1106

what are the various flags used in 8085?

4Cplus,

1183

what is program counter?

Wipro,

1083

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,

1061

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

Infosys,

1311

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,

1132

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

Infosys,

1146

Draw the stick diagram of a NOR gate. Optimize it

Infosys,

1228

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,

1158


Un-Answered Questions { Embedded Systems }

What is the bus arbitration problem in the 8086 and how can it be resolved?

1067


Give the logic expression for an AOI gate. Draw its transistor level equivalent. Draw its stick diagram

1411


Tell me what is the function of dma controlled in embedded system?

796


List some features of 8051 microcontroller.

1108


Explain the properties of a object oriented programming language.

773


Describe a time when you collaborated with designers and engineers to deploy a new product. What was your role?

769


What are the different types of buses used by the embedded systems?

862


Can we use printf inside isr?

802


What is inversion of control? How does that relate to dependency injection?

820


What are the characteristics of embedded system?

873


Do you know what is priority inheritance?

839


What is the main function of multiplexed address/data bus?

801


What is a linker?

1039


Describe a pattern that is not the factory pattern? How is it used and when?

822


Tell me what is interrupt latency? How can you reduce it?

790