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 13112

What is the build-in potential?

Wipro,

1 2443

Tell me how MOSFET works.

1926

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

2 10688

How does a Bandgap Voltage reference work?

3239

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

2512

Tell me how BJT works.

2 7085

what is Early effects and their physical origin.

1 3796

what is short Channel effect.

2 6784

How about voltage source?

1826

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

1702

Which type of architecture 8085 has?

DRDO, Sasken, Wipro,

6 31807

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

HCL, Paavai,

5 29181

8085 is how many bit microprocessor?

18 29553

Why is data bus bi-directional?

College School Exams Tests, TCS, Wipro,

11 52508


Un-Answered Questions { Embedded Systems }

What is the difference between program memory and data memory?

714


You've just been assigned to a project in a new technology how would you get started?

435


In case of DVD, the speed is referred in terms of n X. Here what does X refers to

636


Do the interrupts of 8085 have priority?

575


Explain what is the difference between isr & function call?

594






What are the advantages of memory segmentation in 8086

613


What are hardware interrupts?

584


Insights of a 4bit adder/Sub Circuit?

2839


In a SRAM layout, which metal layers would you prefer for Word Lines and Bit Lines? Why?

3587


For an AND-OR implementation of a two input Mux, how do you test for Stuck-At-0 and Stuck-At-1 faults at the internal nodes? (You can expect a circuit with some redundant logic)

704


Mention any one 32 bit microcontroller and explain the same.

538


What is the need for an infinite loop in embedded systems?

448


What are the different types of instructions of 8085?

574


6-T XOR gate?

3786


Tell me which parameters decide the size of data type for a processor?

549