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Microprocessor

Microprocessor
How many machine cycles are required for execution of IN 30H instruction

 5
 4
 6
 3

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Microprocessor
The data lines of 8085 microprocessor are multiplexed with

None of these
 higher order address lines
 status lines
 lower order address lines

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Microprocessor
What are the sets of commands in a program which are not translated into machine instructions during assembly process, called?

 Mnemonics
 Operands
 Identifiers
 Directives

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Microprocessor
The number of output pins in 8085 microprocessors are

 27.
 21.
 19.
 40.

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Microprocessor
The stack is nothing but a set of

 reserved RAM address space
 reserved ROM address space
 reserved I/O address space
None of these

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Microprocessor
The 8085 microprocessor enters into bus idle machine cycle whenever

 DAD RP instruction is executed
 RST 7.5 is recognized
 INTR interrupt is recognized
None of these

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