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Exam (elaborations)

COP4600 Operating Systems Exam Questions and Answers (Latest Update 2024)

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COP4600 Operating Systems Exam Questions and Answers (Latest Update 2024)

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  • August 21, 2024
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COP4600 Operating Systems Exam
Questions and Answers (Latest Update
2024)
what are the components that make up a von neumann
machine? - Correct Answer ✅•Stored Programs

•CPU with Control Unit

and Arithmetic/Logic Unit

•Memory

•Input and Output



Architectural Variants (different types of systems) - Correct
Answer ✅-Single-Processor Systems (1.3.1)

-Multiprocessor Systems (1.3.2)

-Clustered systems (1.3.3)



Virtual computers: Emulation - Correct Answer ✅running
code for another kind of

computer



Virtual computers: Interpretation - Correct Answer
✅running code for a theoretical

computer

,COP4600 Operating Systems Exam
Questions and Answers (Latest Update
2024)

Virtual computers:: virtualization - Correct Answer
✅running a computer on a

computer



what are the steps in Starting the Computer - Correct
Answer ✅-"boot" program is run to load the kernel



-The kernel then does everything else - including loading and
starting other programs



-Programs then become processes and execute from (and
only from) main memory



Modern systems are

organized around _________ - Correct Answer ✅interrupts

,COP4600 Operating Systems Exam
Questions and Answers (Latest Update
2024)
what is an interrupt? - Correct Answer ✅stop execution of
the running program and transfer control to an interrupt
handler



what does the interrupt handler do when it finishes
execution? - Correct Answer ✅(usually) returns control to
the program that was running



what two types of interrupt events can be generated by the
computer itself? - Correct Answer ✅• Hardware events

• Timer events



can a program issue an interrupt? - Correct Answer ✅yes,
by requesting for system services



for the most part, everything the

operating system does is

in response to a ___________. - Correct Answer ✅interrupt

, COP4600 Operating Systems Exam
Questions and Answers (Latest Update
2024)
Multiprogramming - Correct Answer ✅scheduling more
than one program at

once



Multitasking - Correct Answer ✅(Interactive Time-Sharing)
is

multiprogramming with switches frequent enough that users
can interact with running programs



multitasking requires what type of operating system? -
Correct Answer ✅time-shared operating system



Programs have to be

in ____________ to run - Correct Answer ✅main memory



what in a computer system is Input/output? - Correct
Answer ✅Everything except the CPU and main memory



how do CPUs perform I/O? - Correct Answer ✅via

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