Podcast
Questions and Answers
What is a notable aspect of operating systems?
What is a notable aspect of operating systems?
- They are all designed to support complex games
- They are all designed to be efficient
- They are all designed to optimize hardware utilization
- They vary in accomplishing tasks (correct)
Which of the following best describes the role of an operating system?
Which of the following best describes the role of an operating system?
- It manages the computer hardware
- It provides a basis for application programs
- It acts as an intermediary between the computer user and the computer hardware
- All of the above (correct)
What is the definition of an operating system?
What is the definition of an operating system?
- A program that loads other application programs
- A program that manages the computer hardware
- A program that manages all other programs in a computer (correct)
- A program that manages application programs
Which type of operating system is designed to provide an environment for executing programs on handheld computers?
Which type of operating system is designed to provide an environment for executing programs on handheld computers?
Why are some operating systems designed to be convenient, while others are designed to be efficient?
Why are some operating systems designed to be convenient, while others are designed to be efficient?
Which of the following is true about early computer systems?
Which of the following is true about early computer systems?
What is the unit of work in a modern time-sharing system?
What is the unit of work in a modern time-sharing system?
What are the two types of processes in a system?
What are the two types of processes in a system?
What is the main difference between a batch system and a time-shared system?
What is the main difference between a batch system and a time-shared system?
What is the purpose of switching the CPU between processes in an operating system?
What is the purpose of switching the CPU between processes in an operating system?
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Study Notes
Operating System Overview
- An operating system (OS) acts as a manager of computer hardware resources and provides a platform for running application software.
Role of an Operating System
- A OS plays a crucial role in managing computer hardware resources and providing a platform for running application software.
Definition of an Operating System
- A OS is a software that manages computer hardware resources and provides common services to computer programs.
Types of Operating Systems
- A handheld computer OS is designed to provide an environment for executing programs on handheld computers.
Design Priorities of Operating Systems
- Some OS are designed to be convenient, while others are designed to be efficient.
Early Computer Systems
- Early computer systems were designed to perform specific tasks and were not designed to be general-purpose computers.
Modern Time-Sharing Systems
- In modern time-sharing systems, the unit of work is typically a process or a job.
Process Management
- There are two types of processes in a system: I/O-bound and CPU-bound processes.
Batch System vs Time-Shared System
- The main difference between a batch system and a time-shared system is the way the CPU is allocated to jobs or processes.
Process Switching
- The purpose of switching the CPU between processes in an operating system is to improve system performance and throughput.
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