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86. The advantage(s) of incorporating the macro processor into pass 1 is(are):

many functions do not have to be implemented twice.
Functions are combined and it is not necessary to create intermediate files as output from the macros processor and input to the assembler.
more flexibility is available to the programmer in that he may use all the features of the assembler in conjunction with macros.
all of the above
✅ The correct answer is D.

50. Paging

is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.
consists of those addresses that may be generated by a processor during execution of a computation.
is a method of allocating processor time.
allows multiple programs to reside in separate areas of core at the time.
✅ The correct answer is A.

53. A task in a blocked state

is executable
is running
must still be placed in the run queues
is waiting for same temporarily unavailable resources
✅ The correct answer is D.

32. The term “operating system” means

a set of programs which controls computer working
the way a computer operator works
conversion of high level language into machine code
the way a floppy disk drive operates
✅ The correct answer is A.
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