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Questions and Answers
What is the role of interrupts in a computer system?
What are the four components into which a computer system can be divided?
What defines the ways in which system resources are used to solve computing problems of the users?
Which components are included in a modern, multiprocessor computer system?
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What is the primary function of the operating system in a computer system?
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Which component of a computer system provides basic computing resources?
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What role does the operating system play in a computer system?
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Which component defines the ways in which system resources are used to solve computing problems of the users?
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What is the primary function of interrupts in a computer system?
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Which component illustrates the transition from user mode to kernel mode in a computer system?
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Study Notes
Computer System Components
- A computer system can be divided into four components: hardware, software, data, and people.
Hardware Components
- A modern, multiprocessor computer system includes components such as central processing units (CPUs), memory, and input/output (I/O) devices.
Operating System (OS)
- The primary function of the OS is to manage and allocate system resources to solve computing problems of the users.
- The OS plays a crucial role in a computer system by providing a platform for running application software and managing hardware resources.
CPU and Interrupts
- The CPU provides basic computing resources in a computer system.
- Interrupts play a crucial role in a computer system by allowing the CPU to be interrupted from its normal execution of instructions to attend to a higher-priority task.
- The primary function of interrupts is to handle events that require immediate attention, such as I/O operations or errors.
Mode Transition
- The transition from user mode to kernel mode in a computer system is illustrated by the trap or exception handler.
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Description
Test your knowledge on the fundamental concepts of operating systems as outlined in Chapter 1 of Operating System Concepts – 10th Edition by Silberschatz, Galvin and Gagne. This quiz covers topics such as computer-system organization, architecture, resource management, security, virtualization, distributed systems, kernel data structures, computing environments, and open-source operating systems.
