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Questions and Answers
Which of the following is a function of an operating system?
An operating system does not provide any services for program development.
False
What are the main components of an operating system?
Kernel, administration tools, and system libraries.
The OS provides a uniform interface that hides complex sets of instructions for ______ devices' operation.
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Match the following objectives of an operating system:
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What was the state of computing from the late 1940s to the mid-1950s?
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Study Notes
Objectives and Functions of Operating Systems
- An operating system (OS) manages hardware resources and provides services to users, enabling the execution of programs.
- The OS controls hardware, manages secondary memory, and facilitates input/output (I/O) operations.
- Essential components of an OS include the kernel, administration tools, and system libraries.
Objectives of an Operating System
- Enhances user convenience by providing an accessible interface.
- Promotes efficient utilization of computer resources.
- Supports the development, testing, and implementation of new software applications and system functions.
Services Provided by an Operating System
- Program Development: Offers utility programs like editors and debuggers to assist in creating software applications.
- Program Execution: Manages processes such as loading and scheduling necessary for program execution.
- Access to I/O Devices: Provides a simplified interface for complex I/O device operations, enabling easier interaction with hardware.
- File Access Control: Manages file structure and implements protection mechanisms to control access to files.
- System Resource Access: Regulates permissions for access to system resources, ensuring secure operations.
The Evolution of Operating Systems
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Serial Processing Era (Late 1940s - Mid-1950s):
- Programmers directly interacted with hardware; no operating systems existed.
- Computers were operated through a console with display lights, toggle switches, and printers.
- Programs were loaded in machine code via input devices like card readers.
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Description
This quiz covers the objectives and functions of operating systems. It explores how OS manages hardware resources, secondary memory, and input/output devices. Learn about the essential services provided by an OS to enhance user experience and system efficiency.
