Question # 1

The act of acquiring an instruction is referred as the ____ the instruction

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Fetching

Fetch cycle

Botha a and b

None

The _______ place the data from a register onto the data bus.

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CPU

ALU

Both a and b

None

Accumulator based microprocessor example are.

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Intel 8085

Motorola 6809

A and B

None

In which form CPU provide output

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Computer signals

Digital signals

Metal signals

None

DS stand for

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Data segment

Direct segment

Declare segment

Divide segment

SP stand for

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Status pointer

Stack pointer

A and B

None

The capacity of this chip is 1 KB they are organized in the form of 1024 words with 8 bit word the what is the site of address bus.

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8 bit

10 bit

12 bit

16 bit

Third generation micro processor is dominated by _______ micro processor.

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8 bit

4 bit

16 bit

64 bit

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

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Motorola

Fairchild

Intel

all of above

_____ is the condiction

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CD

IR

Both a and b

None

The pin configuration of 8086 is available in the.

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40 pin

50 pin

30 pin

20 pin

______ stores the instruction currently being executed.

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Instruction register

Current register

Both a and b

None

RD stand for

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Read

Register

Request

Real

Which are used for port A in 8255 mode 1.

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PC0-PC2

PC3-PC7

PC6-PC7

PC3-PC5

WB stand for

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Write buffers

Written buffers

Wrote buffers

None

Which point to the __________ of the stack

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TOP

Start

Mid

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

Pentium III processor is released in the form of.

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Socket 370 version

Slot 1 version in plastic cartridge

Both a and b

None

How many modes in 8254

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2

4

6

8

Which is the part of memory unit

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Processor memory

Main memory

Secondary memory

All of these

The ram which is created using bipolar transistors is called.

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Dynamic RAM

Static RAM

Permanent RAM

DDR RAM

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