Operating System Quiz-2

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Operating System Quiz-2

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_____ software looks after the functions of the computer.

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A critical section is a program segment

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_____ is the sequence of directories and subdirectories the operating system must follow to find a specific file.

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____ software helps the user to do his/her work.

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1 Sector interleaving in disks is done by

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??. Is when the computer is turned on and the operating system is loading.

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?. is the layer of a computer system between the hardware and the user program

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?. runs on a computer hardware and serves as a platform for other system to run on

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A computer system has 6 tape drives, with ?n? processes competing for them. Each process may need 3 drives. The maximum value of ?n? for which the system is guaranteed to be deadlock free is

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_____ is a file that includes a series of commands that are executed in sequence without any input from the user.

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??. runs on computer hardware and serves as a platform for other system to run on

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A computer has six tape drives, with n processes competing for them. Each process may need two drives. What is the maximum value of n for the systems to be deadlock free?

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A ____ controls the execution of user programs to prevent errors and improper use of the computer.

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A ?.. is a flash memory storage device that plugins into a USB port

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A ??. is a named location on a disk where files are stored

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A graphics card has on board memory of 1 MB. Which of the following modes can the card not support?

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____ mechanism was created, which allowed transferring data to and from memory without the intervention of the CPU.

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A front end processor is used in

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? is the program run on a computer when the computer boots up

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???. software creates a mirror images of the entire hard disk, including the operating system, application files, and data.

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_____ this is the act of copying or downloading a program from a network and making multiple copies of it.

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A computer cannot ?boot? if it does not have

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A file organization component of a VSAM file is:

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??. is the layer of a computer system between the hardware and the user program

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??? is used in operating system to separate mechanism from policy

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_____ command defines a list of directories DOS searches for external commands.

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A computer system is the integration of physical entities called ___ and non-physical entities called ___

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______ is most often done after fixing a problem, adding a new program or making configuration change

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____ loader is executed, when a system is first turned ON or restarted.

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____ systems have more than one CPU in close communication with the others.

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??. Is the layer of a computer system between the hardware and the user?

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____ used to create a new Directory or nested Directories.

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?..is a set of computer programs that runs or controls computer hardware and acts as an interface ithe application programs and users.

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?? System is built directly on the hardware

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A ?. is a named location on a disk where files are stored

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_____ is a way of dealing with dedicated I/O devices in a multiprogramming system.

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A computer cannot ?boot? if it does not have the??????

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A memory resident command refers to

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??. is an intermediate storage for deleted files

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A character that represents one or more unknown character is

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a multiprogramming environment

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_____ may be the first elementary Operating System.

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A ?.. is a windows component that is designed to store other components so these can be organized efficiently?

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A (n) __ converts and executes one statement at a time.

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A Microsoft Windows is a(n)

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A non-relocatable program is one which

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A mistake in a algorithm that causes incorrect results is called a ????.

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2 Which of the following are real-time systems?

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A bar that inform you the available options in your computer, opened applications, background running applications and can be used to switch between applications quickly is

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A co-processor

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