10 Questions
What is the main function of an operating system?
Manage computer hardware and software resources
How does the operating system interact with computer hardware?
Acts as an intermediary between programs and the computer hardware
What is the role of time-sharing operating systems?
Schedule tasks for efficient use of the system
Where are operating systems found?
On devices containing a computer, from cellular phones to supercomputers
Which operating system holds the dominant market share in the personal computer market as of September 2023?
Microsoft Windows
What is the role of an operating system?
The role of an operating system is to manage computer hardware and software resources, and provide common services for computer programs.
How do time-sharing operating systems schedule tasks?
Time-sharing operating systems schedule tasks for efficient use of the system.
What devices contain operating systems?
Operating systems are found on many devices that contain a computer, such as cellular phones, video game consoles, web servers, and supercomputers.
What is the dominant market share of Microsoft Windows in the personal computer market as of September 2023?
Microsoft Windows holds a dominant market share of around 68%.
What is the primary function of an operating system in interacting with computer hardware?
The operating system acts as an intermediary between programs and the computer hardware, facilitating hardware functions such as input and output, memory allocation, and system calls.
Study Notes
Operating System (OS)
- Manages computer hardware and software resources, providing common services for computer programs.
Functions of an OS
- Schedules tasks for efficient use of the system.
- Includes accounting software for cost allocation of system resources.
Interaction with Hardware
- Acts as an intermediary between programs and computer hardware.
- Application code is usually executed directly by the hardware.
- Frequently makes system calls to an OS function or is interrupted by it.
Presence of OS
- Found on many devices that contain a computer, including:
- Cellular phones
- Video game consoles
- Web servers
- Supercomputers
Market Share in Personal Computer Market (as of September 2023)
- Microsoft Windows: 68%
- macOS by Apple Inc.: 20%
Test your knowledge of operating systems with this quiz! From time-sharing to hardware functions, this quiz covers key concepts related to managing computer resources and providing services for programs.
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