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Embedded Systems Interview Questions
Questions Answers Views Company eMail

Explain the difference between write through and write back cache.

Intel,

2 16623

Are you familiar with the term MESI?

Intel,

2756

Are you familiar with the term snooping?

Intel,

3531

Describe a finite state machine that will detect three consecutive coin tosses (of one coin) that results in heads.

Intel, Sun Microsystems,

2843

In what cases do you need to double clock a signal before presenting it to a synchronous state machine?

Intel,

1 5550

You have a driver that drives a long signal & connects to an input device. At the input device there is either overshoot, undershoot or signal threshold violations, what can be done to correct this problem?

Intel,

2676

Are you familiar with VHDL and/or Verilog?

Intel,

1 4434

What types of CMOS memories have you designed? What were their size? Speed?

e-tec, Intel,

3146

What work have you done on full chip Clock and Power distribution? What process technology and budgets were used?

Intel,

2898

What types of I/O have you designed? What were their size? Speed? Configuration? Voltage requirements?

Intel,

2450

Process technology? What package was used and how did you model the package/system? What parasitic effects were considered?

Intel,

2339

What types of high speed CMOS circuits have you designed?

Intel,

2577

What transistor level design tools are you proficient with? What types of designs were they used on?

Intel,

3448

What products have you designed which have entered high volume production?

Intel,

2450

What was your role in the silicon evaluation or product ramp? What tools did you use?

Intel,

2336


Un-Answered Questions { Embedded Systems }

Explain the concept of convention over configuration, and talk about an example of convention over configuration you have seen in the wild.

830


How much total external data memory that can be interfaced to the 8051?

1211


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

870


Tell me why cannot arrays be passed by values to functions?

832


What are the different types of addressing modes?

1066


What is a locator?

1135


Tell me what is the difference between hardware design and software design?

860


The PCI bus is the important bus found in all the new Pentium systems because

1087


What is the maximum clock frequency used by the 8085 microprocessor?

1155


What are the most common errors you've found in embedded systems and how have you resolved them?

853


What is isr? Can they be passed any parameter and can they return a value?

996


What is Latch Up? Explain Latch Up with cross section of a CMOS Inverter. How do you avoid Latch Up?

1348


What is digital signal controller ?

873


What are the types of interrupts from type 0 to 4

975


Explain what happens when recursion functions are declared inline?

862