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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,

1087

What does SD RAM refers to

CDAC,

1077

How is EPROM generally erased

CDAC,

1124

In what is the ready pin of a microprocessor used

CDAC,

1169

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

CDAC,

1075

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

CDAC,

1396

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,

1317

What is 8251?

CDAC,

1162

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

CDAC,

1530

Where the data is transferred in a DMA write operation?

CDAC,

1145

What is the bit size of Itanium processor of Intel?

CDAC,

1083

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

CDAC,

1747

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,

1464

In the instruction FADD, What does F stands for

CDAC,

1232

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

CDAC,

1092


Un-Answered Questions { Embedded Systems }

Describe the non-vectored interrupt process?

1075


List some analog modulation techniques.

1073


The address capability of 8085 is 64 kb.explain?

1978


What is the difference between 8085 microprocessor and a 8086 microprocessor?

1221


Explain the differences between stateless and stateful systems, and impacts of state on parallelism.

943


What is yagni? Is this list of questions an example?

800


Explain the purpose of the status register?

1031


what are three regions of operation of MOSFET and how are they used?

1237


Tell me can include files be nested?

819


You have three adjacent parallel metal lines. Two out of phase signals pass through the outer two metal lines. Draw the waveforms in the centre metal line due to interference. Now, draw the signals if the signals in outer metal lines are in phase with each other

1570


Device density on a microprocessor/chip?

1118


What is difference between binary semaphore and mutex?

906


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

854


What are the different design constraints occur in the synthesis phase?

1101


Why do we need virtual device drivers when we have physical device drivers?

885