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Microprocessor

Microprocessor
The first microprocessor to include virtual memory in the intel microprocessor family is

 Pentium
 80286
 80386
 80486

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Microprocessor
Using one 8259 IC is equivalent to providing …………. INTR pins on 8085

 8
 18
 16
 12

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Microprocessor
In an 8085 microprocessor based system, the contents of SP are 1000H, PUSH B instruction will transfer the contents of registers B & C respectively for memory locations

 1000 H and 0FFF H
 0FFF H and 0FFE H
 1000 H and 1001 H
 0FFE H and 0FFF H

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Microprocessor
CALL instruction is a ______ instruction.

 1 bytes
 3 bytes
 2 bytes
 4 bytes

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

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Microprocessor
The data bus of any microprocessor is always

 Either unidirectional or bi-directional
 Bi-directional
 None
 Unidirectional

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MORE MCQ ON Microprocessor

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