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Embedded Systems Interview Questions
Questions Answers Views Company eMail

What are the two types of noise of MOSFET, how to eliminate them?(Thermal and Flicker).

Analog Devices,

4 13987

What is the build-in potential?

Wipro,

1 2824

Tell me how MOSFET works.

 2162

For a 0.18um and 0.8um technology MOSFET, which has a higher cutoff frequency?

 2 11326

How does a Bandgap Voltage reference work?

 3574

What is the ideal input and output resistance of a current source?

 2759

Tell me how BJT works.

 2 7537

what is Early effects and their physical origin.

 1 4148

what is short Channel effect.

 2 7405

How about voltage source?

 2030

How to improve these parameters? (Cascode topology, use long channel transistors)

 1951

Which type of architecture 8085 has?

DRDO, Sasken, Wipro,

6 32799

How many memory locations can be addressed by a microprocessor with 14 address lines?

HCL, Paavai,

5 30041

8085 is how many bit microprocessor?

 18 31647

Why is data bus bi-directional?

College School Exams Tests, TCS, Wipro,

11 54972

Un-Answered Questions { Embedded Systems }

Infinite loops often arise in embedded systems. How does you code an infinite loop in c?

978

Tell me how many types of ipc mechanism you know?

599

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

855

After a pop instruction where does the stack pointer points?

827

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

888

What type of interrupts are used for critical events and why?

866

What are the various criteria to choose the microcontroller?

795

Explain what is scr (silicon controlled rectifier)?

850

Explain what is the depletion region?

837

Define microprocessor?

1068

what is a Watchdog Timer?

895

What are the different types of addressing modes?

828

What is a memory leak? What is a segmentation fault?

667

What's the difference between asynchrony and concurrency?

608

Explain difference between risc and cisc processor?

637

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