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Exam (elaborations)

OSG202 Full Exam Questions and Answers

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  • OSG 202

OSG202 Full Exam Questions and Answers As one proceeds down the memory hierarchy (from inboard memory to offline storage), which of the following conditions is correct? Increasing cost per bit Decreasing access time None of the other choices Increasing capacity - ANSWER-D Which is not an exa...

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  • October 30, 2024
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  • OSG 202
  • OSG 202
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OSG202 Full Exam Questions and Answers


As one proceeds down the memory hierarchy (from inboard memory to offline storage), which of the

following conditions is correct?


Increasing cost per bit


Decreasing access time


None of the other choices


Increasing capacity - ANSWER✔✔-D


Which is not an example of a resource that is commonly time-multiplexed? *


0/1


CPU


Main memory


Graphics accelerator


Network interface - ANSWER✔✔-B



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Which of the following instructions should be allowed only in kernel mode? *


1/1


Change the memory map


Disable all interrupts


Set the time-of-day clock


All of the other choices - ANSWER✔✔-D


Which of the following is not a step in the boot process? *


1/1


Configuration and customization settings are checked


The operating system is loaded into RAM


The antivirus program checks all files for viruses


The BIOS is activated by powering on the CPU - ANSWER✔✔-C


Which of the main bus in the IBM PC computer that can run at 66 MHz and transfer 8 bytes at a time? *


1/1




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ISA and PCI


ISA (Industry Standard Architecture)


PCI (Peripheral Component Interconnect)


None of the other choices - ANSWER✔✔-C


Which of the following instructions should be allowed only in kernel mode? *


1/1


ADD of two numbers


AND of two numbers


Disable all interrupts


Read the time-of-day clock - ANSWER✔✔-C


The general role of an operating system is to: *


0/1


Provide a set of services to system users


None of the other choices




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Act as an interface between various computers


Manage files for application programs - ANSWER✔✔-A


What is not a main function of an operating system? *


0/1


Provide the users with an extended (virtual) machine


Manage the I/O devices


Provide user interfaces


Support virtual memory - ANSWER✔✔-C


List of memory location, that contains the executable program, the program's data, and its stack is

called: *


0/1


set of resources


address space


all of the other choices


address memory - ANSWER✔✔-B

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