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Questions and Answers
What is the main goal of an operating system?
What is the main goal of an operating system?
- To allocate resources and control program execution
- To make the system convenient to use for users
- To prevent errors and improper use of the computer system
- To execute user programs and use hardware efficiently (correct)
Which components make up a computer system?
Which components make up a computer system?
- Hardware, operating system, application programs, and servers
- Hardware, operating system, application programs, and users (correct)
- Hardware, operating system, application programs, and devices
- Hardware, operating system, application programs, and software
What is the kernel in an operating system?
What is the kernel in an operating system?
- The program that executes user programs
- The program that controls program execution
- The program that allocates resources
- The program that runs at all times on the computer (correct)
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Study Notes
- An operating system is a program that acts as an intermediary between a user and computer hardware.
- Its goals are to execute user programs, make the system convenient to use, and use hardware efficiently.
- A computer system has four components: hardware, operating system, application programs, and users.
- Operating systems allocate resources and control program execution to prevent errors and improper use.
- Users want convenience and good performance, while shared computers must keep all users happy.
- Dedicated systems have dedicated resources but may use shared resources from servers.
- Handheld computers are optimized for usability and battery life.
- Embedded computers may have little or no user interface.
- There is no universally accepted definition of an operating system.
- The kernel is the one program running at all times on the computer.
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