Question # 1

Which register is connected to the memory by way of the address bus.

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MAR

MDR

SAM

None

Cache is usually the ______ of memory access by the microprocessor.

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First level

Second level

Third level

Fourth level

Which technology speed faster and highere density.

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PMOS

NMOS

HMOS

All above

The DMA controllers are special hardware embedded into the chip in modern integrate processor that __________ and ________ to the system.

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Data transfer

Arbitrate access

Both a and b

None

MOC stand for

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Memory operation complex

Micro operation complex

Memory operation complete

None

ALE stand for

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Address latch enable

Address light enable

Address lower enable

Address last enable

The area of memory with addresses near zero are called.

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High memory

Mid memory

Memory

Low memory

How many speed of 8088 , 8085 , 8086 microprocessor.

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2.5 million instructions per second

1.5 Million instruction per second

3.5 Million instruction second

1.6 Million instruction per second

A nibble can be represented in the from of.

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Octal digit

Decimal

Hexa decimal

None

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

The ___________ of can assembly line to be 1/tp.

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Clock period

Pipelining

Through out

Flow thorugh

PC's use_______ based on this architecture.

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CPU

ALU

MU

None

AEN stand for

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Address enable

Address equivalent

Acknowledgment enable

Acknowledgment equivalent

Which statement is false about WR signal

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WR signal controls the input buffer

the bar over Wr means that this is an active low signal

the bar over WR means that this is an active high signal

If WR is 0 then the input data reaches the latch input.

What is the store by register.

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Data

Operands

Memory

None

WE stand for

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Write enable

Wrote enable

Write envy

None

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 register is used to communicate with memory.

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MAR

MDR

Both a and b

None

Who is the Brian of computer

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ALU

CPU

MU

None

Which bus plays a crucial role in I/O

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System bus

Control bus

address bus

Both a and b

Eight of the register are known as.

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General purpose register

Pointer or index registers

Segment registers

All of theses

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

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