Operating System (OS)
In analyzing the compilation of PL/I program, the description "creation of more optimal matrix" is associated with

Code generation
Machine independent optimization
Syntax analysis
Assembly and output
None of these

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Operating System (OS)
A Processor

is typically characterized by interactive processing and time of the CPU
None of these
is the device where information is stored
is a device that performs a sequence of operations specified by instructions in memory.
is a sequence of instructions

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