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Microprocessor

Microprocessor
In C the keywords are also called

Special words
Class words
Reserved words
Character words

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Microprocessor
Assertion(A): Address bus is unidirectional. Reason(R): Data bus is bidirectional

 Both A & R are true and R is the correct explanation of A
 A is false but R is true
 Both A & R are true but R is not the correct explanation of A
 A is true but R is false

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Microprocessor
PSW stands for

 flag byte
 accumulator and flag register contents
 none
 accumulator contents

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Microprocessor
Which one of the following statement is false?

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

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Microprocessor
The maximum number of seven segment displays that can be connected to 8279 is

 8
 16
 18
 12

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Microprocessor
SPHL instruction copies the content of H-L register pair to the _________.

 D-E
 B-C
 PSW
 Stack Pointer

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