Microprocessor
At the beginning of a fetch cycle, the contents of the program counter are

 transferred to memory address register .
 transferred to memory data register.
 incremented by one.
 transferred to address bus.

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Microprocessor
In 8085

P flag is set when the result has even parity
P flag is set when the result has odd parity
P flag is reset when the result has odd parity
P flag is reset when the result has even parity

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Microprocessor
The correct sequence of steps in the instruction cycle of a basic computer is

 Fetch, Decode, Read effective address and, Execute.
 Fetch, Read effective address, Decode and Execute.
 Fetch, Execute, Decode and Read effective address.
 Read effective address, Decode, Fetch and Execute.

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