Q. Which file system does DOS typically use ?

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Q. The program is known as _________ which interacts with the inner part of called kernel.

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Q. Identify the odd thing in the services of operating system.

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Q. Cryptography technique is used in ________.

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Q. Which of the following is not advantage of multiprogramming?

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Q. Which technique was introduced because a single job could not keep both the CPU and the I/O devices busy?

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Q. Software is a program that directs the overall operation of the computer, facilitates its use and interacts with the user. What are the different types of this software ?

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Q. A __________ is a software that manages the time of a microprocessor to ensure that all time critical events are processed as efficiently as possible. This software allows the system activities to be divided into multiple independent elements called tasks.

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Q. The primary job of the operating system of a computer is to ________.

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Q. Who is called a supervisor of computer activity ?

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Q. Routine is not loaded until it is called. All routines are kept on disk in a relocatable load format. The main program is loaded into memory & is executed. This type of loading is called _________ .

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Q. The kernel of the operating system remains in the primary memory because ________.

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Q. Multi-programming systems ________.

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Q. Multiprocessing ________.

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Q. What is the first step in performing an operating system upgrade ?

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Q. The technique, for sharing the time of a computer among several jobs, which switches jobs so rapidly such that each job appears to have the computer to itself, is called ________.

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Q. A critical region

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Q. Which is not an Operating System ?

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Q. It is not the layer of the Operating system.

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Q. What is the name of the software which can be legally compiled and often used for free?

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