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Microprocessor

Microprocessor
In 8085 which addressing mode is also called inherent addressing?

Direct
Register
Implicit
Immediate

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

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

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

 20
 4
 5
 16

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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.

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

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Microprocessor
Both the ALU and control section of CPU employ which special purpose storage location?

 Registers
 Buffers
 Accumulators
 Decoders

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Microprocessor
A number of 1-bit registers used in microprocessors to indicate certain conditions are usually referred to as

 counters
 flags
 latches
 shift registers

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