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Q. Is the Internet a LAN or else a WAN? Answer: The Internet is a WAN as the a variety of computers are located at geographically different places and are connected by long-dis
Q. Consider a calculating environment where a unique number is associated with each process and each object in the system. Suppose that we permit a process with number n to acce
how it is work.
what is instant messaging used for
A- In a table format, compare between Programmed I/O, Interrupt -driven I/O, and Direct Memory Access (DMA) in terms of basic idea, Advantages, disadvantages, and the operating en
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 interfa
From hardware perspective, every information system can be divided into three task areas Presentation, Application Logic and Data Storage. The R/3 Basis software is extremely s
What are a safe state and an unsafe state? Answer: A state is safe if the system can allocate resources to every process in some order and still avoid a deadlock. A system is
Q. Does Windows XP offer any user-mode processes that enable it to run programs developed for other operating systems? Describe two of these subsystems. Answer: Environmental
Explain how protection is provided for the hardware resources by the operating system. Dual mode operation Sharing system resources needs operating system to make sure
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