Question # 1

Which is called super highway

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Processor

Multiplexer

Backbone bus

None

L1 cache memory is places at

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On processor

On mother board

On memory

All of these

Pentium pro can address______ of memory.

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4 GB

128 GB

256 GB

512 GB

Motorola introduced 32 bit RISC processor called.

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MC 88100

MC 81100

MC 80100

MC 81000

A central processing unit fabricated on a single chip of semiconductor is called.

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RAM

ROM

Microprocessor

None

The accelerator is 16bit wide and is called.

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AX

AH

AL

DL

BP stand for

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Bit pointer

Base pointer

Bus pointer

Byte pointer

Which mode is used to double handshakes in 8255

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Mode 0

Mode 1

Mode 2

Mode 3

Inc case of direct mapped cache lower order line address bits are used the access the

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RAM

ROM

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Auxiliary

Backup store

Both a and b

None

The problems of bus confit and spares address distribution are eliminated by the use of ___ address technique.

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Fully decoding

Half decoding

Both a and b

None

IRR stand for

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Interrupt request register

Input request register

Input resolver register

Interrupt resolver register

EU stand for

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Execution unit

Execute unit

Exchange unit

None

The point where control returns after a subprogram is completed is known as the.

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Return address

Main address

Program address

Current address

Who was introduce the 80286 micro processor updated on 80086 in 1983.

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Motorola

Fairchild

Intel

all of above

Which is the main feature of 8085

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Internal clock generator

Internal system controller

Higher clock frequency

All of these

The growth of vacuum tube technology has been listed as follow.

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1946-1957

1958-1964

1985-1999

None

Which generate an interrupt to the microprocessor after a certain interval of time.

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8251

8254

8255

8259

L2 cache memory is places at __________

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On processor

On mother board

On memory

All of these

Which year intel corporation introduced an updated version of the 8080-the 8085

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1965

1977

1976

1985

The time taken for all stages of the assembly line to become active is called the

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Flow through time

Clock period

Through put

All of these

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

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