Operating System Services: User Interface and Program Execution
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Questions and Answers

Which type of user interface does almost all operating systems have?

  • Batch interface
  • Command-Line Interface (CLI)
  • Graphics User Interface (GUI) (correct)
  • Touch-screen interface
  • What service does the operating system provide to handle the loading and execution of programs?

  • I/O operations
  • Memory management
  • File-system manipulation
  • Process execution (correct)
  • In the context of I/O operations, what does 'I/O' stand for?

  • Information/Observation
  • Interface/Optimization
  • Input/Output (correct)
  • Internal/External
  • Which activity is NOT included in file-system manipulation by the operating system?

    <p>Searching the internet</p> Signup and view all the answers

    What type of execution indicates an error in the program's normal execution?

    <p>Abnormal execution</p> Signup and view all the answers

    Which type of operating-system service is helpful to the user by managing interaction with I/O devices?

    <p>I/O operations</p> Signup and view all the answers

    What is the primary function of the Command Line interpreter (CLI)?

    <p>To allow direct command entry and execution</p> Signup and view all the answers

    Which type of OS functions ensures the efficient operation of the system itself via resource sharing?

    <p>Resource allocation</p> Signup and view all the answers

    What is a Process Control Block (PCB) associated with each process in an operating system?

    <p>It contains information such as process state, program counter, CPU registers, and more</p> Signup and view all the answers

    What does the Process Concept refer to in an operating system?

    <p>Program is stored on disk as an executable file; process is active</p> Signup and view all the answers

    What is the primary purpose of logging in an operating system?

    <p>To keep track of computer resource usage</p> Signup and view all the answers

    In the context of OS services, what is the function of communications via shared memory or through message passing?

    <p>Exchanging information between computers over a network</p> Signup and view all the answers

    What does resource allocation in an operating system primarily involve?

    <p>Allocating resources to multiple users or jobs running concurrently</p> Signup and view all the answers

    Which component is responsible for keeping track of which users use how much and what kinds of computer resources?

    <p>Logging system</p> Signup and view all the answers

    What is the program in the context of the Process Concept?

    <p>Active entity stored on disk (executable file)</p> Signup and view all the answers

    Which aspect does the Resource Allocation primarily focus on?

    <p>Allocation of resources to multiple users or jobs running concurrently</p> Signup and view all the answers

    What is the preferred method of contact for the course instructor?

    <p>Email: <a href="mailto:[email protected]">[email protected]</a></p> Signup and view all the answers

    What should students put in the subject title when sending emails to the course instructor?

    <p>System Administration</p> Signup and view all the answers

    What will happen if a student does not have paper and pen during the weekly quiz?

    <p>The student will be asked to leave the class.</p> Signup and view all the answers

    What is the grading weightage for the Pre-final and Quizzes in the course?

    <p>60%</p> Signup and view all the answers

    What percentage does the Final Exam contribute to the total grade in the course?

    <p>40%</p> Signup and view all the answers

    In a group presentation, how many students are allowed to participate?

    <p>2 students</p> Signup and view all the answers

    What are the primary responsibilities of a system administrator?

    <p>Upkeep, configuration, and reliable operation of computer systems</p> Signup and view all the answers

    What are the key duties involved in managing the machine room environment?

    <p>Designing machine room, specifying cooling, cabling, power connections, and environmental controls</p> Signup and view all the answers

    What are the main types of administrators mentioned in the text?

    <p>Database Administrators, Network Administrators, Web Administrators, Computer Operators, Site Reliability Engineers (SRE)</p> Signup and view all the answers

    What skills are essential for a system administrator?

    <p>Operating Systems, Applications, Hardware, Software, Troubleshooting, Programming languages (Scripting), Computer Security</p> Signup and view all the answers

    What is the role of a Database Administrator?

    <p>Maintains a database system, responsible for data integrity and system performance</p> Signup and view all the answers

    What is the primary trait required for a system administrator?

    <p>Ability to communicate with technical and nontechnical users</p> Signup and view all the answers

    What is the responsibility of a Site Reliability Engineer (SRE)?

    <p>Takes a software engineering or programmatic approach to managing systems</p> Signup and view all the answers

    What are the key duties involved in system backups?

    <p>Determining backup strategy and policies, configuring backup software, performing and monitoring backups, checking backup integrity, determining disaster survival plans, performing restores</p> Signup and view all the answers

    What are the main duties related to system security for business applications?

    <p>Installing/configuring security software, collecting evidence in case of intrusion, and cleaning up after intrusion</p> Signup and view all the answers

    What are the essential duties related to user accounts for a system administrator?

    <p>Developing acceptable use policy and login-name policy, determining password change policies, and managing name services and licenses</p> Signup and view all the answers

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