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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

Correct Answer :

A. Bankers algorithm


Related Questions

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The ______________ unpacks the call receipt messages from local RPC Runtime and makes a perfect local call to invoke the appropriate procedure in the server.

A. server Stub

B. server

C. client

D. client stub

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4

A SCSI device can transfer up to----------- of information per second.

A. 40 Mbytes

B. 60 Mbytes

C. 40 Gbytes

D. 60 Gbytes

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4

In_________________ model, when a process does a release access, the contents of all the modifications are not immediately sent to other nodes but they are sent only on demand.

A. Release Consistency Model

B. Lazy Release consistency model

C. Weak Consistency Model

D. Processor Consistency Model

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4

One of the wonderful things about UNIX is its ___________names.

A. Unlimited path

B. Unlimited directory

C. Limited path

D. Limited file

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4

What is dispatch latency?

A. The time taken by the dispatcher to stop one process and start another

B. The whole time taken by all processor

C. The time taken by the processor to write a file into disk

D. None of Above

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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

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

A. System software

B. Operating system

C. System operations

D. None

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4

A page fault occurs when

A. the page is not found in the memory

B. the page is found in the memory

C. the Segmentation starts

D. the Deadlock happens

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4

In ____________ location policies a random node is polled to check its state and the task is transferred if it will not be overloaded; polling is continued until a suitable node is found.

A. Threshold

B. Shortest

C. Bidding

D. Pairing

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4

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

A. Menu bar

B. Tool bar

C. Status bar

D. Task bar

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4

The problem with logical dumping is ________________

A. very costly

B. very slow

C. human errors

D. all of these

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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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Wiretapping to capture data in a network is an example of ________________

A. interruption

B. interception

C. fabrication

D. modification

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4

When a peripheral device needs immediate attention from the operating system, it generates a(n)

A. Page file

B. Spool

C. Stack

D. Interrupt

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4

In case of modification an unauthorized party not only gains access to but tampers with an asset. This is an attack on ____________________.

A. availability

B. confidentiality

C. integrity

D. authenticity

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4

Choose the correct statement from the following.

A. In computer terminology, variables are symbols which stand for some value.

B. An alternative method for executing the commands in the file backup is to make the file as directory.

C. The restricted shell gives more control to the system administrator and restricts the options of the user.

D. The decision making done by computer programs is in the form of conditional execution.

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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

The controller can access memory in memory cycles which are not used by the particular bank of memory into which the DMA controller is writing data. This approach, called _________

A. interrupting

B. cycle stealing

C. swapping

D. paging

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4

Which of the following is an essential file of a MS-DOS boot disk?

A. COMMANCOM

B. START.COM

C. VER.COM

D. TREE.COM

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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

The maximum size of a write file is limited to only

A. Name of the file

B. Extension of the file

C. The amount of memory in your computer

D. All of above

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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

All of the following are TRUE regarding virtual memory EXCEPT

A. Any amount of RAM can be allocated to virtual memory

B. The setting for the amount of hard disk drive space to allocate virtual memory can be manually change

C. This temporary storage is called the swap file or page file

D. Virtual memory is the physical space o the hard drive

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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

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

_______________refers to a strategy where whenever a resource is requested, it is only granted if it cannot result in deadlock.

A. Deadlock Prevention

B. Livelock

C. Deadlock avoidance

D. none of these

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4

A _____________is a collection of processors that do not share memory, peripheral devices,or a clock.

A. Computer system

B. distributed system

C. network

D. None of the above

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4

The primary purpose of an operating system is a …

A. To allow people to use the computer

B. To make the most efficient use of computer hardware

C. To make computer easier to use

D. To keep system programmer employed

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4

A process is ____________________

A. A program in Execution.

B. An asynchronous activity.

C. The 'dispatchable' unit.

D. All A, B, C

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4

Underlined text, such as text and folder names is referred to as

A. Hyperlink

B. Menu

C. Source drive

D. None of these