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Microprocessor

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

 3.
 2.
 4.
 6.

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Microprocessor
_____________is used to read the status of the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by loading into the A register a byte which defines the condition of the mask bits for the interrupts.

 SIM
 EI
 DI
 RIM

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Microprocessor
The relation among IC (Instruction Cycle), FC (Fetch cycle) and EC (Execute Cycle) is

 IC = FC + 2EC
 IC = FC - EC
 IC = FC + EC
 EC = IC + FC

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Microprocessor
The character set of Fortran 77 includes lower case alphabets a to z.

False
True

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Microprocessor
Which memory has read operation, byte erase, byte write and chip erase?

UVEPROM
EEPROM
Both B and C
RAM

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Microprocessor
A 37 bit mantissa has an accuracy of

8 decimal places
6 decimal places
10 decimal places
11 decimal places

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