Operating System Quiz-2
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??? is used in operating system to separate mechanism from policy
2 / 50
A Microsoft Windows is a(n)
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A ??. is a named location on a disk where files are stored
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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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_____ is a file that includes a series of commands that are executed in sequence without any input from the user.
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A computer system is the integration of physical entities called ___ and non-physical entities called ___
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?? System is built directly on the hardware
8 / 50
____ software helps the user to do his/her work.
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A (n) __ converts and executes one statement at a time.
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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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A computer cannot ?boot? if it does not have
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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 ?.. is a flash memory storage device that plugins into a USB port
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A non-relocatable program is one which
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A character that represents one or more unknown character is
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A critical section is a program segment
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??. is the layer of a computer system between the hardware and the user program
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??. is an intermediate storage for deleted files
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_____ this is the act of copying or downloading a program from a network and making multiple copies of it.
20 / 50
2 Which of the following are real-time systems?
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??. Is the layer of a computer system between the hardware and the user?
22 / 50
_____ command defines a list of directories DOS searches for external commands.
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____ used to create a new Directory or nested Directories.
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____ systems have more than one CPU in close communication with the others.
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a multiprogramming environment
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??. Is when the computer is turned on and the operating system is loading.
27 / 50
____ loader is executed, when a system is first turned ON or restarted.
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_____ may be the first elementary Operating System.
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_____ software looks after the functions of the computer.
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A co-processor
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A mistake in a algorithm that causes incorrect results is called a ????.
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_____ is a way of dealing with dedicated I/O devices in a multiprogramming system.
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____ mechanism was created, which allowed transferring data to and from memory without the intervention of the CPU.
34 / 50
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?
35 / 50
?. runs on a computer hardware and serves as a platform for other system to run on
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??. runs on computer hardware and serves as a platform for other system to run on
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______ is most often done after fixing a problem, adding a new program or making configuration change
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? is the program run on a computer when the computer boots up
39 / 50
A file organization component of a VSAM file is:
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A ?. is a named location on a disk where files are stored
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1 Sector interleaving in disks is done by
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?. is the layer of a computer system between the hardware and the user program
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A front end processor is used in
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A computer cannot ?boot? if it does not have the??????
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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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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
47 / 50
A graphics card has on board memory of 1 MB. Which of the following modes can the card not support?
48 / 50
A memory resident command refers to
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A ?.. is a windows component that is designed to store other components so these can be organized efficiently?
50 / 50
A ____ controls the execution of user programs to prevent errors and improper use of the computer.
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