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Embedded Systems Interview Questions
Questions Answers Views Company eMail

Signal voltage ranges for a logic high and for a logic low in RS-232C standard are

CDAC,

1052

What does SD RAM refers to

CDAC,

1024

How is EPROM generally erased

CDAC,

1074

In what is the ready pin of a microprocessor used

CDAC,

1129

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

CDAC,

1033

Which type of JMP instruction assembles if the distance is 0020h bytes

CDAC,

1348

If a1M1× DRAM requires 4 ms for a refresh and has 256 rows to be refreshed, no more than __________ of time must pass before another row is refreshed.

CDAC,

1265

What is 8251?

CDAC,

1115

In which T-state does the CPU sends the address o memory or I/O and the ALE signal for Demultiplexing

CDAC,

1498

Where the data is transferred in a DMA write operation?

CDAC,

1109

What is the bit size of Itanium processor of Intel?

CDAC,

1037

If the crystal oscillator is operating at 15 MHz. What will be the PCLK output of 8284?

CDAC,

1690

What number of the times the instruction sequence below will loop before coming out of loop is MOV AL, 00hA1: INC AL JNZ A1

CDAC,

1417

In the instruction FADD, What does F stands for

CDAC,

1198

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

CDAC,

1037


Un-Answered Questions { Embedded Systems }

What is the purpose of the segment register?

748


What are the rules followed by mutexes?

888


What is null pointer and what is its use?

739


State the differences between absolute and linear select decosing.

2188


What is continuous integration? Why is it important?

891


why is the number of gate inputs to CMOS gates usually limited to four?

1291


If the current through the poly is 20nA and the contact can take a max current of 10nA how would u overcome the problem?

1073


Mention interrupts pins of 8085?

1115


Explain me why is model transformations used in the embedded system?

809


Name the unit that controls the sequential execution of instructions?

1027


What is threshold voltage?

1136


What is the function of enhancement mode transistor?

1071


Define edge or level sensitive interrupts?

1049


Explain the internal architecture of the 8086 microprocessor?

1067


What is the function of dma controlled in embedded system?

868