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COS3721 Operating Systems and Architecture

University of South Africa

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An Introduction to Operating Systems

An Introduction to Operating Systems

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COS3721 Questions-and-answers.

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    COS3721 Questions-and-answers.

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    december 2021
    2021/2022
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  • Chapter 1 Some early computers protected the operating system by placing it in a memory partition that could not be modified by either the user job or the operating system itself. Describe two difficulties that you think could arise with such a scheme. a) If the operating system cannot modify the memory, then some important and critical data such as protection and/or security data (e.g. passwords and access control information) necessary for the operating system would have to be passed thr...
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COS3721 EXAM PACK Mcq

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    COS3721 EXAM PACK Mcq

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    157
    december 2021
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  • This set of Operating System Multiple Choice Questions & Answers (MCQs) focuses on “Basics”. 1. What is operating system? a) collection of programs that manages hardware resources b) system service provider to the application programs c) link to interface the hardware and application programs d) all of the mentioned Answer: d 2. To access the services of operating system, the interface is provided by the ___________ a) System calls b) API c) Library d) Assembly instructions Answe...
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COS3721 Essay And MCQ. 100% CORRECT ANSWERS.

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    COS3721 Essay And MCQ. 100% CORRECT ANSWERS.

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    december 2021
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  • Multiple Choice 1. In what way is an operating system like a government? A) It seldom functions correctly. B) It creates an environment within which other programs can do useful work. C) It performs most useful functions by itself. D) It is always concerned primarily with the individual's needs. Ans: B 2. ____ operating systems are designed primarily to maximize resource utilization. A) PC B) Handheld computer C) Mainframe D) Network Ans: C 3. The most common secondary storage device...
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COS3721 EXAM PACK

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    COS3721 EXAM PACK

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    157
    december 2021
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  • Operating System Questions & Answers This set of Operating System Multiple Choice Questions & Answers (MCQs) focuses on “Basics”. 1. What is operating system? a) collection of programs that manages hardware resources b) system service provider to the application programs c) link to interface the hardware and application programs d) all of the mentioned Answer: d 2. To access the services of operating system, the interface is provided by the ___________ a) System calls b) API c) Li...
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COS3721 EXAM PREP.

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    COS3721 EXAM PREP.

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  • An operating system manages memory by keeping track of what parts of memory are being used and by whom. The operating system is also responsible for dynamically allocating and freeing memory space. Storage space is also managed by the operating system; this includes providing file systems for representing files and directories and managing space on mass-storage devices. Operating systems must also be concerned with protecting and securing the operating system and users. Protection measures...
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COS3721 Questions-and-answers.

  • Tentamen (uitwerkingen)

    COS3721 Questions-and-answers.

  • -
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    14
    december 2021
    2021/2022
    A+
  • Chapter 1 Some early computers protected the operating system by placing it in a memory partition that could not be modified by either the user job or the operating system itself. Describe two difficulties that you think could arise with such a scheme. a) If the operating system cannot modify the memory, then some important and critical data such as protection and/or security data (e.g. passwords and access control information) necessary for the operating system would have to be passed thr...
  • ExellentStudyResources
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COS3721 EXAM PACK Mcq

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    COS3721 EXAM PACK Mcq

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    1
    157
    december 2021
    2021/2022
    A+
  • Operating System Questions & Answers This set of Operating System Multiple Choice Questions & Answers (MCQs) focuses on “Basics”. 1. What is operating system? a) collection of programs that manages hardware resources b) system service provider to the application programs c) link to interface the hardware and application programs d) all of the mentioned Answer: d 2. To access the services of operating system, the interface is provided by the ___________ a) System calls b) API c) Li...
  • ExellentStudyResources
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COS3721 Essay And MCQ.

  • Tentamen (uitwerkingen)

    COS3721 Essay And MCQ.

  • -
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    51
    december 2021
    2021/2022
    A+
  • Multiple Choice 1. In what way is an operating system like a government? A) It seldom functions correctly. B) It creates an environment within which other programs can do useful work. C) It performs most useful functions by itself. D) It is always concerned primarily with the individual's needs. Ans: B 2. ____ operating systems are designed primarily to maximize resource utilization. A) PC B) Handheld computer C) Mainframe D) Network Ans: C 3. The most common secondary storage device...
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COS3721 - Operating Systems And Architecture EXAM PACK WITH SHORT SUMMARY

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    COS3721 - Operating Systems And Architecture EXAM PACK WITH SHORT SUMMARY

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    november 2021
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  • Chapter 1 2018 S2 A1 What is the purpose of interrupts? How does an interrupt differ from a trap? Can traps be generated intentionally by a user program? If so, for what purpose?  An interrupt is a hardware-generated change of flow within the system. An interrupt handler is summoned to deal with the cause of the interrupt; control is then returned to the interrupted context and instruction.  A trap is a software-generated interrupt. An interrupt can be used to signal the completion ...
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COS3721

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    COS3721

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    november 2021
  • SUMMARY COS3721 - Operating Systems And Architecture EXAM PACK WITH SHORT SUMMARY 2 Exam (elaborations) COS3721 ASSIGNMENT 1 SOLUTIONS 2021 SEMEMESTER 2
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