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Microprocessor

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

 80286
 80486
 Pentium
 80386

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Microprocessor
Consider the following registers: 1. Accumulator and flag register 2. B and C register 3. D and E register 4. H and L register Which of these 8-bit registers of 8085 microprocessor can be paired together to make a 16-bit register?

 2, 3 and 4
 1, 2 and 3
 1, 3 and 4
 1, 2 and 4

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

 6
 16
 8
 2

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Microprocessor
A single instruction to clear the lower nibble of accumulator in 8085 language assembly is

 ANI OFH
 ANI F0H
 XRI 0FH
 XRI FOH

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Microprocessor
A microprocessor with a 12-bit address bus will be able to access

 8 K bytes
 10 K bytes
 4 K bytes
 1 K bytes

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Microprocessor
Consider the following statements: Arithmetic Logic Unit (ALU) 1.Performs arithmetic operations 2.Performs comparisons. 3.Communicates with I/O devices 4.Keeps watch on the system Which of these statements are correct?

 1, 2, 3 and 4
 3 and 4 only
 1, 2 and 3
 1 and 2 only

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