A task is "an execution path through address space". In other words, a set of
program instructions that is loaded in
memory. The
address registers have been loaded with the initial address of the program. At the next
clock cycle, the
CPU will start execution, in accord with the program. The sense is that some part of 'a plan is being accomplished'. As long as the program remains in this part of the address space, the task can continue, in principle, indefinitely, unless the program instructions contain a
halt,
exit, or
return.
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