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Microprocessor

Microprocessor
Number of Hex digits needed to represent the 20-bit address of a memory location are

 16
 20
 5
 4

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Microprocessor
At the beginning of a fetch cycle, the contents of the program counter are

 transferred to memory address register .
 incremented by one.
 transferred to address bus.
 transferred to memory data register.

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Microprocessor
The forms of IF statements in FORTRAN 77 are called

Logic IF, block IF, arithmetic IF and negate IF
Logical IF and Block IF
Logical IF, block IF and arithmetic IF
Logical IF and arithmetic IF

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Microprocessor
In a C expression using assignment operators, relational operators and arithmetic operators, the hierarchy of operations (in the absence of parenthesis) is

Relational, assignment, arithmetic
Assignment, relational, arithmetic
Arithmetic, assignment, relational
Arithmetic, relational, assignment

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Microprocessor
Which one of the following microprocessor has 16-bit data bus?

 8085
 Z-80
 68000
 6502

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

 80286
 Pentium
 80486
 80386

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