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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,

1053

What does SD RAM refers to

CDAC,

1026

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,

1116

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,

1111

What is the bit size of Itanium processor of Intel?

CDAC,

1039

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,

1200

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

CDAC,

1039

Un-Answered Questions { Embedded Systems }

Which is the best way to write loops?

844

What is the function of dma controlled in embedded system?

870

Can an rc circuit be used as clock source for 8085?

1175

Explain me what is the main function of multiplexed address/data bus?

773

What are the temporary registers of 8085?

972

Which interrupt has highest priority?

1056

What are the different types of instructions responsible for data transfer instructions.

930

What is special purpose registers in 8086?

1097

What are hard and soft real time systems?

888

How does combination of functions reduce memory requirements in embedded systems?

877

What is the use of microprocessors?

941

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)

1239

Design a transmission gate based xor.

1012

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

766

What is priority inheritance?

749

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