Operating System (OS)
Multiprogramming systems:

execute each job faster
are easier to develop than single programming system
None of these
execute more jobs in the same time period
are used only on large mainframe computers

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Operating System (OS)
Assembler language

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

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Operating System (OS)
Link encryption

is less secure than end-to-end encryption
None of these
is more secure than end-to-end encryption
is used only to debug
can not be used in a public network

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