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Questions and Answers
What is the primary goal of CPU Scheduling?
Which type of operating system is used in environments where multiple tasks need to be executed simultaneously?
What is the primary function of Inter-process Communication?
What is the purpose of Process Scheduling in an Operating System?
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Which type of operating system is used in environments where multiple computers are connected to perform a common task?
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What is the primary characteristic of a batch system?
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What is the primary objective of real-time scheduling?
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What is the main difference between multi-programmed systems and time-sharing systems?
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What is the primary challenge in distributed systems?
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What is the primary advantage of parallel systems?
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Study Notes
Operating System Functions
- An Operating System (OS) manages computer hardware resources and provides common services to computer programs
- OS acts as an intermediary between computer hardware and user-level applications
Types of Operating Systems
- Batch Systems: jobs are executed in batches, without user interaction
- Multi-programmed Systems: multiple programs are executed concurrently, improving system efficiency
- Time Sharing Systems: multiple users can interact with the system, each user having a time slice
- Personal-Computer Systems: single-user system, dedicated to a single user
- Parallel Systems: multiple CPUs, improving overall processing power
- Distributed Systems: multiple computers, connected through communication networks
- Real-Time Systems: time-critical systems, responding to events in real-time
Process Management
- Process Concept: a program in execution, consisting of program counter, registers, and memory
- Process Scheduling: allocating system resources to competing processes
- Operations on Processes: process creation, execution, waiting, and termination
- Cooperating Processes: processes that interact with each other, sharing resources and data
- Inter-process Communication (IPC): methods for processes to communicate and exchange data
CPU Scheduling
- Fundamental Concepts: CPU scheduling, process scheduling, and resource allocation
- Scheduling Criteria: maximizing CPU utilization, throughput, and responsiveness
- Scheduling Algorithms: First-Come-First-Served (FCFS), Shortest Job First (SJF), Priority Scheduling
- Multi-processor Scheduling: scheduling processes on multiple CPUs
- Real-Time Scheduling: scheduling tasks with strict time constraints
Operating System Functions
- An Operating System (OS) manages computer hardware resources and provides common services to computer programs
- OS acts as an intermediary between computer hardware and user-level applications
Types of Operating Systems
- Batch Systems: jobs are executed in batches, without user interaction
- Multi-programmed Systems: multiple programs are executed concurrently, improving system efficiency
- Time Sharing Systems: multiple users can interact with the system, each user having a time slice
- Personal-Computer Systems: single-user system, dedicated to a single user
- Parallel Systems: multiple CPUs, improving overall processing power
- Distributed Systems: multiple computers, connected through communication networks
- Real-Time Systems: time-critical systems, responding to events in real-time
Process Management
- Process Concept: a program in execution, consisting of program counter, registers, and memory
- Process Scheduling: allocating system resources to competing processes
- Operations on Processes: process creation, execution, waiting, and termination
- Cooperating Processes: processes that interact with each other, sharing resources and data
- Inter-process Communication (IPC): methods for processes to communicate and exchange data
CPU Scheduling
- Fundamental Concepts: CPU scheduling, process scheduling, and resource allocation
- Scheduling Criteria: maximizing CPU utilization, throughput, and responsiveness
- Scheduling Algorithms: First-Come-First-Served (FCFS), Shortest Job First (SJF), Priority Scheduling
- Multi-processor Scheduling: scheduling processes on multiple CPUs
- Real-Time Scheduling: scheduling tasks with strict time constraints
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Description
Test your knowledge of operating system concepts, including types of operating systems, process management, and CPU scheduling.
