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OUTLINE
STACK
The stack is a section of read/write memory (RAM) used by the CPU to store
information temporarily. CPU needs this storage area since there are only limited
number of registers.
FLAGS
The flag register is a 16-bit register 9
bits from 16 bits are only used as
control bits (flags). A status flag is a
one – bit indicator used to reflect a
certain condition after an arithmetic or
logic operation by the ALU.
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