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4

______________ is a situation in which two computer programs sharing the same resource are effectively preventing each other from accessing the resource, resulting in both programs ceasing to function.

A. Semaphore

B. Deadlock

C. Mutual Exclusion

D. No preemption

Correct Answer :

B. Deadlock


Related Questions

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4

Whenever you move a directory from one location to another

A. The directory is moved the source file is not moved

B. All the subdirectory inside that directory are moved

C. All files inside the directory are moved

D. Both b and c

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4

To install the new font

A. Start -> setting -> font

B. Start -> control panel -> font -> install new font

C. Start -> setting -> control panel -> font -> install new font

D. Start -> setting -> control panel -> font

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4

Transparent RPC mechanism refers to :

A. Existance of multuple computer visible and a provide a single system image to its users.

B. It runs the program transparently.

C. It is a technique to shift the program to other computer.

D. It is technique in which local procedures and remote procedures are indistinguishable to programmers.

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4

PVM stands for

A. Parallel Virtual Machine

B. Parallel Virtual Message

C. Process Virtual Machine

D. Process Virtual Monitor

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4

Which of the following is drop down list?

A. Combo box

B. List

C. Text area

D. None

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4

In case of ________________the server automatically copies files to other servers after the files are written.

A. Explicit replication

B. Implicit replication

C. Lazy file replication

D. Group file replication

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4

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

A. System software

B. Operating system

C. Application system

D. All of above

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4

Most accurate global time is based on oscillations of the ______________

A. Cesium-130 atom

B. Cesium-133 atom

C. Cesium-136 atom

D. Cesium-139 atom

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4

An orphan process is automatically inherited by the _____and becomes a _______ of this process.

A. 'init' process, father

B. 'init' process, child

C. 'initial process, father

D. 'it' process, child

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4

The essential difference between an operating system like Linux and one like Windows is that

A. Linux is a proprietary whereas Windows is not

B. Windows can run with an Intel processor, whereas Linux cannot

C. There are multiple versions of Linux, but only one version of Windows

D. Any programmer can modify Linux code which is not permitted with Windows

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4

When resources have multiple instances ________ is used for deadlock Avoidance.

A. Bankers algorithm

B. Resource Allocation Graph

C. semaphores

D. all of these

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4

Process migration involves__________________

A. Selection of a process to be migrated

B. Selection of destination system or node

C. Actual transfer of the selected process to the destination system or node

D. All A, B, C

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4

Taskbar is used for

A. Navigation program

B. Start a program

C. Switching between program

D. All of above

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4

A process is already split into pieces, called________________.

A. Tasks

B. Program

C. Processors

D. Routines

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4

In___________, the requesting device or devices assert the signal bus_request.

A. Priority encoded arbitration

B. Distributed arbitration by self-selection

C. Priority arbitration

D. Daisy chain arbitration

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4

SRM stands for

A. Security Resource Manager

B. Secret Resource Manager

C. Security Reference Monitor

D. Security Reference Manual

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4

BSD stands for_____________________

A. Basic Software Division

B. Berkeley Software Distribution

C. British Software Distribution

D. Berkeley Software data

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4

Windows 2000 supports -------------- type of file system

A. NTFS

B. EFS

C. FEFS

D. EFFS

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4

In MS-DOS, the interfaces and levels of functionality are _______________

A. not well separated.

B. well separated

C. independent

D. dependent

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4

The _____________ are based on modification of the original message in some manner, or on creation of a false message.

A. Passive attack

B. Release of message content attack

C. Traffic analysis attack

D. Active attack

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4

______________ is a situation in which two computer programs sharing the same resource are effectively preventing each other from accessing the resource, resulting in both programs ceasing to function.

A. Semaphore

B. Deadlock

C. Mutual Exclusion

D. No preemption

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4

The primary purpose of an operating system is:

A. To allow people to use the computer,

B. To make the most efficient use of the computer hardware

C. To make computers easier to use

D. To keep systems programmers employed

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4

Objects location is found by _________________

A. Broadcasting

B. Encoding Location of objects within UID

C. Searching creator node first and then broadcasting

D. All A, B, C

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4

A sequence of instructions telling the computer what to do is called a_____________

A. program

B. language

C. translator

D. package

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4

A shared memory segment first needs to be allocated (create, using the__________ system call.

A. semget()

B. msgrcv()

C. shmget()

D. mknod()

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4

A small part of taskbar that has icons of background running applications is

A. Start button

B. Quick launch

C. Task bar

D. System tray

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4

____________ file system allows sharing in multiple different locations grouped under one folder.

A. Direct

B. distributed

C. sequential

D. parallel

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4

Which components appear in the initial Windows start up display?

A. Start menu

B. Dialog boxes

C. Taskbar

D. All of above

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4

The _________takes any characters from standard input, and then echoes them to standard output.

A. kill character

B. cat command

C. cate command

D. control command

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4

What is the function of radio button?

A. To select multiple option

B. To select single option

C. To select all option

D. All of above