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Microprocessor

Microprocessor
The minimum number of transistors required to implement a two input AND gate is

4
6
8
2

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Microprocessor
DMA is used between

 none
 microprocessor and I/O
 microprocessor and memory
 memory and I/O

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Microprocessor
During the execution of the instruction, the ________tests the status and control flags and updates them based on the results of executing the instruction.

 Execution Unit (EU)
 None of these
 Bus Interface Unit (BIU)
 Both ‘c’ and ‘d’

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Microprocessor
Which one of the following statement is false?

 A microprocessor has an ALU
 A microprocessor has bi-directional address bus
 A microprocessor has bi-directional data bus
 A microprocessor has unidirectional address bus

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Microprocessor
A combinational PLD with a programmable AND array and a programmable OR array is called a

 PLD
 PROM
 PLA
 PAL

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

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