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Microprocessor

Microprocessor
What is the size (in bytes) of Prefetch queue in 8086?

 6.
 2.
 3.
 4.

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Microprocessor
The program counter in a 8085 micro-processor is a 16-bit register, because

 It has to fetch two 8-bit data at a time
 There are 16 address lines
 It facilitates the user storing 16-bit data temporarily
 It counts 16-bits at a time

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Microprocessor
How many 16-bit special purpose registers are present in 8085 microprocessor?

 8
 6
 16
 2

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Microprocessor
The data lines of 8085 microprocessor are multiplexed with

 higher order address lines
None of these
 status lines
 lower order address lines

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Microprocessor
A combinational PLD with a programmable AND array and a fixed OR array is called a

 PLA
 PLD
 PROM
 PAL

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Microprocessor
The register which holds the information about the nature of results of arithmetic and logic operations is called as

 Accumulator
 Condition code register
 Process status register
 Flag register

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