Microprocessor
What is mean by ALU

 Arithmetic logic unit
 Arithmetic local unsigned
 Arithmetic logic upgrade
 Arithmetic logic unsigned

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Microprocessor
In a vector interrupt

 none.
 the branch address is assigned to a fixed location in memory.
 the interrupting source supplies the branch information to the processor through an interrupt vector.
 the branch address is obtained from a register in the processor.

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Microprocessor
Ready pin of microprocessor is used

 to indicate that microprocessor is ready to receive inputs
 to provide direct memory access
 to introduce wait state
 to indicate that microprocessor is ready to receive outputs

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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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