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Microprocessor

Microprocessor
The ROM programmed during manufacturing process itself is called

 PROM
 EEPROM
 MROM
 EPROM

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Microprocessor
Let the content of accumulator and register B be 0000 0100 and 0100 0000 respectively before execution of instruction SUB B. The content of accumulator after the execution of this instruction will be

 010001000
 01000000
 00000100
 11000100

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Microprocessor
The control flags in 8086 are:

All of these
 the direction flag(DF).
 the Trap flag(TF).
 the interrupt flag(IF).

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Microprocessor
A sequence of two registers that multiplies the content of DE register pair by two and stores the result in HL register pair (in 8085 assembly language) is

 XCHG & DAD H
 PCHL & DAD D
 XTHL & DAD H
 XCHG & DAD B

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Microprocessor
What is SIM?

  Set interrupt mask.
 Sorting interrupt mask.
 Select interrupt mask.
 None of these.

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Microprocessor
An 8-bit microprocessor signifies that

 8-bit controller
 8-bit data bus
 8-bit address bus
 8-interrupt lines

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