Operating System (OS)
System generation:

is always very difficult
requires extensive tools to be understandable
is always quite simple
varies in difficulty between systems
None of these

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Operating System (OS)
Assembler language

None of these
is usually the primary user interface
is quite different from the SCL interpreter
is a mnemonic form of machine language
requires fixed-format commands

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Operating System (OS)
Multiprogramming

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.
allows multiple programs to reside in separate areas of core at the time.
is a method of allocating processor time.
None of these
consists of those addresses that may be generated by a processor during execution of a computation.

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