Q. Which one of the following is not a valid state of a thread?

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Q. A process executes the code,

fork();
fork();
fork();

How many child processes are created?

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Q. An operating system maintains smaller data structures for a thread than a process, as a thread is usually defined as a ‘ light weight process ’. What is the per thread basis of the operating system?

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Q. Consider the following statements:

a. With the use of kernel supported threads context switch is faster.
b. The entire process can be blocked by the system for user - level threads.
c. Kernel supported threads can be scheduled independently.
d. User level threads are transparent to the kernel.

Which of the above statements are true?

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Q. Which of the following is not a fundamental process state

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Q. Which of these is a component of a process precedence sequence?

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Q. Threads of a process share

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Q. Process is ........................

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Q. State whether true or false.

i) Multithreading is useful for application that perform a number of essentially independent tasks
that do not be serialized.
ii) An example of multithreading is a database server that listens for and process numerous client
request.

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Q. The typical elements of process image are .....................

i) User data ii) System Data iii) User program iv) System stack

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Q. Which of the following is not the function of Micro kernel?

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Q. .................. refers to the ability of an operating system to support multiple threads of execution with a single process.

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Q. State whether the following statement is true.

i) It takes less time to terminate a thread than a process.
ii) Threads enhance efficiency in communication between different executing programs.

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Q. The unit of dispatching is usually referred to as a …………..

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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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