Microprocessor
Which one of the following is not correct?

 An interrupt signal is required at the start of every program
 Bus is a group of wires
 An instruction is a set of bits that defines a computer operation
 Bootstrap is a technique or device for loading first instruction

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

 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
 PC specifies the address of the instruction to be executed

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