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Microprocessor

Microprocessor
In 8085 microprocessor, the RST6 instruction transfer programme execution to following location

 0060H.
 0030H.
 0024H.
 0048H.

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Microprocessor
Let the content of accumulator and register B be 0000 0100 and 0100 0000 respectively before execution of instruction SUB B. The content of accumulator after the execution of this instruction will be

 11000100
 010001000
 00000100
 01000000

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Microprocessor
The cycle required to fetch and execute an instruction in a 8085 microprocessor is which one of the following?

 Machine cycle
 Clock cycle
 Instruction cycle
 Memory cycle

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Microprocessor
The number of hardware interrupts present in 8085 microprocessor are

 5
 8
 16
 10

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Microprocessor
Which of the following is a valid integer constant?

127
127
125 + 3
127

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Microprocessor
In a microcomputer , the address of memory locations are binary numbers that identify each memory circuit where a byte is stored. If a microcomputer uses 20-bit address, then numbers of different memory locations are

 220 - 1
 220
 220-1
 20

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