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Q. Definition of Operating System?
Definition of Operating System:
• An Operating system is a program which controls execution of application programs and acts as an interface between user of a computer and computer hardware.
• A more common definition is as follows: operating system is the one program running at all times on the computer (typically called the kernel) with all else being applications programs.
• An Operating system is concerned with the allocation of services andresourceslikeprocessors, memory, information and devices. TheOperating System respectively includes programs to manage these resources like a traffic controller, a scheduler, memory management module, I/O programs and a file system.
What advantages are there to this two-level directory? Users are isolated from each other. Users have more freedom in choosing file names.
basic advantage of using interrupt initiated data transfer over transfer under program control without an interrupt
The field that consists of a segment index or an internal index is known as Target datum is field that consists of a segment index or an internal index.
When you run a program on your UNIX system, the system prepares a special environment for that program. This environment owns everything needed for the system to execute the progra
What is Two-level directory In the two-level directory structure every user has own user file directory (UFD). When a user jobs begins or a user logs in, the system's master fi
explain simple segmentation
Additional Reference bits algorithm Here we keep an 8-bit byte for every page in memory. At standard intervals the reference bit is shifted by the OS. If a shift register conta
why we say" OS is a resource allocator" and “OS is a control program"?
Determine a processing that is not a part of Synthesis phase Perform LC processing is not a part of Synthesis phase
Question 1 Describe about the shells of Linux operating system Question 2 Describe briefly about GNOME desktop Question 3 Write note on the following- Encryp
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