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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,

907

What does SD RAM refers to

CDAC,

842

How is EPROM generally erased

CDAC,

873

In what is the ready pin of a microprocessor used

CDAC,

954

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

CDAC,

899

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

CDAC,

1199

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,

1101

What is 8251?

CDAC,

965

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

CDAC,

1323

Where the data is transferred in a DMA write operation?

CDAC,

967

What is the bit size of Itanium processor of Intel?

CDAC,

886

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

CDAC,

1445

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,

1270

In the instruction FADD, What does F stands for

CDAC,

1050

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

CDAC,

902

Un-Answered Questions { Embedded Systems }

When is the LOCK prefix used often?

874

Why continuous integration is important?

608

Why do we gradually increase the size of inverters in buffer design? Why not give the output of a circuit to one large inverter?

1110

What are the different types of embedded systems?

653

Explain what is return type of isr?

690

what is the difference between timer and counter of microcontroller?

978

Which parameters decide the size of data type for a processor?

662

Explain me what are the rules followed by mutexes?

607

Explain the operation considering a two processor computer system with a cache for each processor.

2618

What is the significance of the clk pin in the 8086?

1002

Mention what are the essential components of embedded system?

782

Explain the 8051 microcontroller architecture?

905

Have you developed software testing procedures for new systems and performed qa, quality assurance, or audits?

639

Explain the Working of a 2-stage OPAMP?

977

What are registers in microcontroller ?

863

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