10 Questions
What is the main function of an operating system (OS)?
The main function of an operating system is to manage computer hardware and software resources, and provide common services for computer programs.
What is the role of time-sharing operating systems?
Time-sharing operating systems schedule tasks for efficient use of the system and may include accounting software for cost allocation of processor time, mass storage, peripherals, and other resources.
How does the operating system act as an intermediary between programs and computer hardware?
For hardware functions such as input and output and memory allocation, the operating system acts as an intermediary between programs and the computer hardware, although the application code is usually executed directly by the hardware and frequently makes system calls to an OS function or is interrupted by it.
Where are operating systems commonly found?
Operating systems are found on many devices that contain a computer – from cellular phones and video game consoles to web servers and supercomputers.
As of September 2023, what is the market share of Microsoft Windows in the personal computer market?
As of September 2023, Microsoft Windows holds a dominant market share of around 68% in the personal computer market.
What are the key functions of an operating system in managing computer resources?
Manages computer hardware and software resources, provides common services for computer programs, schedules tasks for efficient use of the system, includes accounting software for cost allocation, acts as an intermediary between programs and computer hardware
How does the operating system handle hardware functions such as input and output and memory allocation?
Acts as an intermediary between programs and the computer hardware, application code is usually executed directly by the hardware and frequently makes system calls to an OS function or is interrupted by it
What is the market share of macOS by Apple Inc. in the personal computer market as of September 2023?
20%
Name some devices that contain operating systems.
Cellular phones, video game consoles, web servers, supercomputers
What is the dominant market share of Microsoft Windows in the personal computer market as of September 2023?
68%
Test your knowledge of operating systems with this quiz! From scheduling tasks to managing hardware and software resources, this quiz will challenge your understanding of the key concepts and functions of operating systems.
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