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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,

1093

What does SD RAM refers to

CDAC,

1087

How is EPROM generally erased

CDAC,

1129

In what is the ready pin of a microprocessor used

CDAC,

1177

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

CDAC,

1082

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

CDAC,

1402

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,

1325

What is 8251?

CDAC,

1169

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

CDAC,

1534

Where the data is transferred in a DMA write operation?

CDAC,

1149

What is the bit size of Itanium processor of Intel?

CDAC,

1086

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

CDAC,

1754

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,

1468

In the instruction FADD, What does F stands for

CDAC,

1240

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

CDAC,

1098


Un-Answered Questions { Embedded Systems }

Tell me what is the need for having multibyte data input and output buffers in case of device ports?

765


List some analog modulation techniques.

1079


Why are interfaces important?

889


Design a divide-by-3 sequential circuit with 50% duty circle now?

1040


What are the Interrupts available in 8051 microcontroller?

1030


What is the repository pattern? The factory pattern? Why are patterns important?

836


Tell me what is embedded system in a computer system?

840


Define discrete time

853


What does malloc do? What will happen if we have a statement like malloc(sizeof(0));

851


Define circular convolution.

932


What is the importance of causality?

883


State the total number of pins in the 8085 microprocessor?

960


Define the type of interrupts in the 8085 processor?

1007


How does inversion of control relate to dependency injection?

856


How many interrupts are there in 8085?

1088