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86 Family Interview Questions
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These are two ways in which a microprocessor can come out of Halt state.

CDAC,

672

After the following has been executed MOV BL, 8C MOV AL, 7E ADD AL, BL; what will be the contents of register AL?

CDAC,

1868

What are Pseudo instructions basically?

CDAC,

645

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

CDAC,

657

What does SD RAM refers to

CDAC,

602

How is EPROM generally erased

CDAC,

640

In what is the ready pin of a microprocessor used

CDAC,

674

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

CDAC,

627

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

CDAC,

960

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,

779

What is 8251?

CDAC,

652

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

CDAC,

998

Where the data is transferred in a DMA write operation?

CDAC,

707

What is the bit size of Itanium processor of Intel?

CDAC,

615

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

CDAC,

1125

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Un-Answered Questions { 86 Family }

explain the various functional blocks of the 8085 microprocessor.

568

What is the function of reset out signal.

572

What does the eu do in the 8086?

598

why 8085 processor is called an 8 bit processor?

587

State the total number of pins in the 8085 microprocessor?

539




Mention interrupts pins of 8085?

704

What happens when reset in(low) signal goes low?

742

How many interrupts are there in 8085?

601

What is meant by address space? What is meant by address space partitioning?

572

What location code memory space and data memory space begins?

1502

Classify interrupts on the basis of signals. State their differences.

647

List some features of 8051 microcontroller.

605

What are the conditions under which the eu enter into the wait mode?

681

What does a microprocessor mean?

643

Do the interrupts of 8085 have priority?

574

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