Operating System (OS)
The disadvantages of "Compile and Go" loading scheme is (are):

it is necessary to retranslate the user's program deck every time it is run.
All of these
it is very difficult to handle multiple segments, especially if the source programs are in different languages, and to produce orderly modular programs.
a portion of memory is wasted because the core occupied by the assembler is unavailable to the object program.
None of these

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
The dispatcher

is always small and simple
actually schedules the tasks into the processor
None of these
never changes task priorities
puts tasks in I/O wait

ANSWER DOWNLOAD EXAMIANS APP