Microprocessor
An I/O processor controls the flow of information between

Two I/O devices
Main memory and I/O devices
Cache memory and I/O devices
Cache and main memory

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Microprocessor
Which of the following statements for intel 8085 is correct?

 PC specifies the address of the instruction to be executed
 PC specifies the number of instructions executed so far
 Program Counter (PC) specifies the address of the instruction last executed
 PC specifies the address of the instruction being executed

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