Question # 1

The microcomputer system by using the ___ device interface

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Input

Out put

Both a and b

None

______is usually the first level of memory access by the microprocessor.

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Cache memory

Data memory

Main memory

All of these

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

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Interrupt

Tranasfer

Both a and b

None

Which process information at a much faster rate than it can retrieve it from memory

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ALU

Processor

Micro procesor

CPU

The amount of information which can be plead at one time in the cache memory is called.

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Circle size

Line size

Wide line size

None

Which is not the main architectural feature of Power PC.

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It is not based on RISC

Superscalar implementation

Both 32 and 64 bit

Paged memory managemnet architecture

L2 cache memory is places at __________

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On processor

On mother board

On memory

All of these

VAM sand for

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Valid memory address

Virtual memory address

variable memory address

None

How many bit of instruction on our simple computer consist of one

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2-bit

6-bit

12-bit

None

Each memory location has

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Address

Contents

Both a and b

None

The organization of I/O devices create a difference between____

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Digital computer

Micro computer

A and b

None

Which programmable timer is used to generate timing signal

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8255

8254

8251

8259

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

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BIU

PIU

TIU

LIU

Which register is used to communicate with memory.

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MAR

MDR

Both a and b

None

How many parts of single address computer instruction.

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1

2

3

4

NMI stand for

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Non mask able interrupt

Non mistake interrupt

Both a and b

None

Which is the microprocessor comprises.

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Register section

One or more ALU

Control unit

All of these

The pin configuration of 8086 is available in the.

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40 pin

50 pin

30 pin

20 pin

The growth of transistor technology in

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1946-1967

1958-1964

1985-1999

None

Which system communicates with the outside word via the I/O devices interfaced to it.

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Microprocessor

Micro computer

Digital computer

All of these

Period of fifth generation

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1974 -1978

1979-1980

1981-1985

1995 till date

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

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