Exam (elaborations)
Operating System
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Exam of 3 pages for the course Bsc. Computer science at Bsc. Computer science (Operating System)
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9/18/24, 2:14 OperatingPM System
Operating
System
An Operating System (OS) is an interface between a computer user and
computer hardware. An operating system is a software which performs all the
basic tasks like file management, memory management, process
management, handling input and output, and controlling peripheral devices
such as disk drives and printers.
Some popular Operating Systems include Linux Operating System, Windows
Operating System, VMS, OS/400, AIX, z/OS, etc.
Definition
An operating system is a program that acts as an interface between the user
and the computer hardware and controls the execution of all kinds of
programs.
Following are some of important functions of an operating System.
• Memory Management
• Processor Management
• Device Management
• File Management
• Security
• Control over system performance
• Job accounting
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