Microprocessor
Each instruction in assembly language program has the following fields:Lable fieldMnemonic fieldOperand fieldComment fieldThe correct sequence of these fields is?

2, 1, 4, 3
1, 2, 4, 3
2, 1, 3, 4
1, 2, 3, 4

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Microprocessor
The stack pointer register in a microprocessor

 keeps the address of the next instruction to be fetched
 counts the number of instructions being executing on the microprocessor
 counts the number of programs being executing on the microprocessor
 holds the address of the top of the stack

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