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Questions and Answers
What is the primary purpose of resource allocation in an operating system?
What is the primary purpose of resource allocation in an operating system?
- To maximize the utilization of system resources by multiple users or jobs (correct)
- To provide a fair distribution of system resources based on user priority
- To prevent unauthorized access to system resources
- To ensure that all users have equal access to system resources
What is the primary purpose of the accounting function in an operating system?
What is the primary purpose of the accounting function in an operating system?
- To provide a user interface for system calls and services
- To track resource usage for billing or usage statistics (correct)
- To enforce access control and security policies
- To manage the scheduling of processes and threads
Which of the following is NOT a common type of system call in an operating system?
Which of the following is NOT a common type of system call in an operating system?
- Device management
- File management
- Process control
- Memory management (correct)
What is the purpose of the separation of policy and mechanism in operating system design?
What is the purpose of the separation of policy and mechanism in operating system design?
What is the purpose of the Simultaneous Peripheral Operation OnLine (SPOOL) feature in an operating system?
What is the purpose of the Simultaneous Peripheral Operation OnLine (SPOOL) feature in an operating system?
What is the primary role of the operating system in the development of modern software applications?
What is the primary role of the operating system in the development of modern software applications?
What is the purpose of job scheduling in an operating system?
What is the purpose of job scheduling in an operating system?
What is the primary benefit of multiprogramming in an operating system?
What is the primary benefit of multiprogramming in an operating system?
What is the main purpose of the SPOOL (Simultaneous Peripheral Operation OnLine) technique?
What is the main purpose of the SPOOL (Simultaneous Peripheral Operation OnLine) technique?
What is the significance of the separation between policy and mechanism in operating system design?
What is the significance of the separation between policy and mechanism in operating system design?
Which of the following is a common approach in the development of modern operating systems?
Which of the following is a common approach in the development of modern operating systems?
What is the primary purpose of a job scheduler in an operating system?
What is the primary purpose of a job scheduler in an operating system?
What is the main advantage of multiprogramming in an operating system?
What is the main advantage of multiprogramming in an operating system?
What is the purpose of the SPOOL (Simultaneous Peripheral Operation OnLine) feature in an operating system?
What is the purpose of the SPOOL (Simultaneous Peripheral Operation OnLine) feature in an operating system?
What is the significance of the separation between policy and mechanism in operating system design?
What is the significance of the separation between policy and mechanism in operating system design?
Which of the following is a common approach used in the development of modern operating systems?
Which of the following is a common approach used in the development of modern operating systems?
What is the primary responsibility of the memory management component in an operating system?
What is the primary responsibility of the memory management component in an operating system?
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Study Notes
- OS services include resource allocation, accounting, protection and security, and system calls.
- System calls serve as a user interface to OS services, available in assembly-language instructions or high-level languages like C.
- Types of system calls include process control (e.g., fork(), exit()), file management (e.g., open(), read()), and device management (e.g., ioctl(), read()).
- The main objectives of an operating system are to provide an environment for program execution and development, manage resources, and control access.
- OS components include process management, main-memory management, secondary-storage management, file management, I/O system management, protection system, networking, and command-interpreter system.
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