Question # 1

Which is the microprocessor. launched by national semiconductor.

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IMP-4

IMP-8

IMP-6

IMP-7

Which is responsible for all the outside world communication by the microprocessor.

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BIU

PIU

TIU

LIU

How many bit stored by status register

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1 bit

4 bit

6 bit

8 bit

The upper 8 bit are called.

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BH

AH

BL

DL

The parity bits are used to check that a.

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Two bit error

Single bit error

Multi bit error

None

PR stand for

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Priority register

Priority resolver

Priority request

None

CS stand for

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Cable select

Chip select

Control select

Cable system

The ram which is created using bipolar transistors is called.

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Dynamic RAM

Static RAM

Permanent RAM

DDR RAM

The CPU removes the __________ signal to complete the memory write operation.

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READ

WRITE

Both a and b

None

Which register is a temporary storage location.

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General purpose register

Dedicated register

A and B

None

DMA Stand for

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Direct memory access

Direct memory allocation

Data memory access

Data memory allocation

To provide clarity in case of the status register_________ and __ placeholders are displayed.

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Binary

Hexadecimal

Both

None

The _____ ddress of a memory is a 20 bit address for the 8086 microprocessor.

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Physical

Logical

Both a and b

None

When CS_ the chip is not selected at all hence D7 to D0 are driven to high impendence state.

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High

Low

Medium

Stand by

The external device is connected to a pin called the__ pin on the processor chip.

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Interrupt

Transfer

Both

None

A ______ on this pin indicates a memory operation.

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Low

High

Medium

None

MAR stand for

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Memory address register

Memory data recode

Micro data register

None

In which register instruction is decoded prepared and ultimately executed.

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Instruction register

Current register

Both a and b

None

The fetch execute cycle is to use a system know as.

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Assembly line

Pipelining

Cache

None

Which microprocessor to read an item from memory.

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VAM

SAM

MOC

None

How many bit MC6800 mIcroprocessor.

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4-bit

8-bit

16 -bit

32-bit

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PPSC Computer Science Chapter 17 Microprocessor And Assembly Language Online Test MCQs With Answers

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