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

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

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Microprocessor
A good assembly language programmer should use general purpose registers rather than memory in maximum possible ways for data processing. This is because:

 Data processing with registers is easier than with memory
 Of limited set of instructions for data processing with memory
 Data processing with registers takes fewer cycles than that with memory
 Data processing with memory requires more instructions in the program than that with registers

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Microprocessor
Which one of the following is not correct?

 Bus is a group of wires
 An interrupt signal is required at the start of every program
 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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