Q. State true or false.

i) Unix, support multiple user process but only support one thread per process.
ii) A java run time environment is an example of a system of one process with multiple threads.

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Q. …………… are very effective because a mode switch is not required to switch from one thread to another.

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Q. Which of the following describes the ability of an OS to support multiple, concurrent paths of execution within a single process?

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Q. Process is

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Q. The Memory Buffer Register (MBR)

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Q. Fork is

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Q. A form of code that uses more than one process and processor, possibly of different type, and that may on occasions have more than one process or processor active at the same time, is known as

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Q. A program

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Q. Memory tables are used to keep the track of

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Q. The user level context contains the basic elements of

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Q. In Computer systems authentication is the fundamental building block in

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Q. Intruders is a most common security threat which referred as?

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Q. If the process is running currently executing, it is in the running

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Q. Communication in client server systems may uses Sockets and

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Q. Process control information is the additional information needed by the

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Q. Program code is an essential element of the

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Q. Operating system's fundamental responsibility is to control the

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Q. Process tables manage

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Q. UNIX employs two running states to indicate whether the process is

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Q. Context data are data present in register in the processor while the process is

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