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CS 370 Final Questions and Answers (100% Pass)
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  • CS 370
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  • CS 370

Unlike processor exceptions, interrupts are triggered by process executions. False Consider the memory hierarchy depicted in the figure. -Registers -cache -main mem -Electronic disk (Above Volatile) - magnetic disk -optical disk - mag tapes The access times decrease as you traverse up t...

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  • October 22, 2024
  • 39
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • cs 370 final questions and answers 100 pass
  • unlike processor exceptions interrupts are trigge

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  • CS 370
  • CS 370

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1|Page | © copyright 2024/2025 | Grade A+




CS 370 Final Questions and Answers
(100% Pass)
Unlike processor exceptions, interrupts are triggered by process executions.


✓ False




Consider the memory hierarchy depicted in the figure.


-Registers


-cache


-main mem


-Electronic disk


(Above Volatile)


- magnetic disk


-optical disk


- mag tapes




The access times decrease as you traverse up the memory (tapes-to-

registers) hierarchy.


✓ True




Master01 | October, 2024/2025 | Latest update

, 1|Page | © copyright 2024/2025 | Grade A+

To ensure efficiency and uninterrupted execution, processes executing in the

user mode are allowed to disable timer interrupts.


✓ False




The interrupt vector table allows the processor to quickly identify the precise

kernel routine to handle interrupts, processor exceptions, and system call

traps.


✓ True




The ISA (Instruction Set Architecture) for most processors include instructions

that operate on disk addresses in addition to those that operate on registers

and memory locations.


✓ False




The only way a process can execute a privileged instruction is when it is

running in kernel mode.


✓ True




Processes must be able to have read access permissions to regions in

memory that belong to other processes to maximize performance and ensure

high throughput.



Master01 | October, 2024/2025 | Latest update

, 1|Page | © copyright 2024/2025 | Grade A+

✓ False




Processes running in user mode do not have full access to the system's

hardware. To access sensitive resources from the systems, all processes must

be mediated by the Operating System, which runs in kernel mode.


✓ True




The code for the kernel is a small fraction of the codebase for the Operating

System and provides core functionality for the OS processes to use.


✓ True




Consider the memory hierarchy depicted in the figure.


The cost-per-bit increases as you traverse down (registers-to-tape) the

memory hierarchy.




-Registers


-cache


-main mem


-Electronic disk


(Above Volatile)



Master01 | October, 2024/2025 | Latest update

, 1|Page | © copyright 2024/2025 | Grade A+

- magnetic disk


-optical disk


- mag tapes




The access times decrease as you traverse up the memory (tapes-to-

registers) hierarchy.


✓ False




Q2


✓ Q2




The process control block (PCB) contains information about a process and is

used during context-switching between processes. The PCB for every process

is maintained in the cache.


✓ False




The reason that the child executes the instruction after fork() is that the child's

address-space is a bitwise identical copy of the parent, including the values

of the program counter.


✓ True



Master01 | October, 2024/2025 | Latest update

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