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Questions and Answers
What is the primary goal of an operating system?
What is the primary goal of an operating system?
- To act solely as an intermediary for hardware
- To serve as a physical component of the computer system
- To manage software applications only
- To provide an efficient environment for executing programs (correct)
Which of the following components does NOT belong to the operating system?
Which of the following components does NOT belong to the operating system?
- Database management system (correct)
- User interface
- Software
- Peopleware
What is one of the broad functions of an operating system?
What is one of the broad functions of an operating system?
- Perform calculations for user applications
- Enforce user security protocols
- Resolve conflicts in resource sharing (correct)
- Optimize performance by minimizing hardware use
Which specific function of an operating system involves selecting the next batch of processes to be run?
Which specific function of an operating system involves selecting the next batch of processes to be run?
What does the operating system primarily provide between the user and the computer hardware?
What does the operating system primarily provide between the user and the computer hardware?
What is one of the secondary goals of an operating system?
What is one of the secondary goals of an operating system?
Which component of an operating system refers to the physical parts of a computer?
Which component of an operating system refers to the physical parts of a computer?
What role does 'Peopleware' play in a computer system?
What role does 'Peopleware' play in a computer system?
Which of the following is a broad function of an operating system?
Which of the following is a broad function of an operating system?
What is the primary role of an operating system in terms of user interaction?
What is the primary role of an operating system in terms of user interaction?
Which of the following specific functions relates to managing processes in an operating system?
Which of the following specific functions relates to managing processes in an operating system?
Which option best describes the importance of optimizing performance in an operating system?
Which option best describes the importance of optimizing performance in an operating system?
What does interrupt handling refer to in the context of operating systems?
What does interrupt handling refer to in the context of operating systems?
Which statement about operating systems is false?
Which statement about operating systems is false?
Which of the following tasks does an operating system NOT perform?
Which of the following tasks does an operating system NOT perform?
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Study Notes
What is an Operating System?
- An operating system is a program that bridges the gap between the user and the computer hardware.
- It's designed to provide a user-friendly environment for executing programs.
- Primary goal: Make the computer system easy to use.
- Secondary goal: Optimize the use of computer hardware efficiently.
Components of an Operating System
- Peopleware: Refers to individuals who interact with the data processing environment.
- Hardware: Consists of the physical electronic devices and tangible components of the computer system.
- Software: Includes programs and instructions that empower the computer system to function effectively. This encompasses programming languages, application programs, and the operating system itself.
Functions of Operating Systems
- Broad Functions:
- Resource Sharing: Resolves conflicts when multiple users or programs need to access the same resources.
- Performance Optimization: Aims to maximize the use of system resources for optimal performance.
- Simplified Usage: Makes using the computer system easier for users.
- User-Computer Interface: Acts as a communication bridge between the user and the computer.
- Resource Accounting: Tracks how resources (like memory, CPU time, etc.) are being used.
- Specific Functions:
- Job Sequencing: Determines the order in which tasks are executed.
- Interrupt Handling: Manages external events or requests (like user inputs) that interrupt ongoing processes.
Introduction to Operating Systems
- An operating system (OS) is a program that acts as an intermediary between a computer user and the computer hardware.
- Its primary purpose is to create an environment where users can execute programs efficiently.
- The OS aims to make the computer system easy to use while optimizing hardware utilization.
Components of Operating Systems
- Peopleware: Individuals involved in operating data processing.
- Hardware: The physical electronic devices and structure that constitute the computer system.
- Software: Programs and instructions that enable the computer to function effectively, including programming languages, application programs, and the operating system itself.
Functions of Operating Systems
-
Broad Functions
- Resolves conflicts when resources are shared.
- Optimizes performance by maximizing utilization.
- Simplifies the use of the computer system.
- Acts as an intermediary between user and the computer.
- Tracks and accounts for resource usage.
-
Specific Functions
- Job Sequencing: Selects the next group of processes for a lengthy job to be executed.
- Interrupt Handling: Manages and handles interruptions received by the system.
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