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4

Creation of a semaphore set is done using the _______system call.

A. semget()

B. semsget()

C. mknod()

D. sempget()

Correct Answer :

A. semget()


Related Questions

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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

Having data belonging to two independent processes in the same page is called____________.

A. Buffering

B. Blocking

C. Message-passing

D. False sharing

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4

The ___ contains commands associated with the My Computer window

A. Start menu

B. Standard menu

C. System menu

D. None of the above

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4

_________, as a feature of good distributed file system, clients should be able to continue working if a file server crashes. Likewise, data must not be lost and a restarted file server must be able to recover to a valid state.

A. Scalability

B. Reliability

C. Flexibility

D. Fault tolerance

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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 _____________ 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

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

A solution to starvation is _____________.

A. segmentation

B. Aging

C. Paging

D. virtual memory

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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

______________ refers to the technology in which some space in hard disk is used as an extension of main memory.

A. Cache memory

B. Paging

C. Virtual memory

D. Associative memory

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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

When a child dies, it sends a _______________signal to its parent.

A. SIGCHLD

B. EDEADLK

C. WNOHANG

D. SEDECHLD

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4

Identify the distributed computing model from the following statement. In this model, the user's processes need not be migrated to the server machines for getting the work done by those machines.

A. Minicomputer model

B. Workstation model

C. Workstation-Server model

D. Processor pool model

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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

Bootstrapping is also known as ______

A. cold-hot boot

B. hot boot

C. hot strap

D. cold boot

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4

The Network Time Protocol is similar to _______________algorithm in that synchronization is also performed using time servers and an attempt is made to correct for communication latencies.

A. Banker's

B. Divide and conquer's

C. Cristians

D. Xdelta's

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4

When you start up the computer the boot up storage at which the BIOS versions manufacturer and data are displayed on the monitor is called

A. Bootstrap

B. System configuration

C. Power on self test (POST)

D. Kernel loading

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4

In case of good process migration mechanism, _____________ means failure of any node other than the one on which the process is running should not affect the execution of the process.

A. Robustness

B. Efficiency

C. Transparent

D. Interference

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4

Ext2 is the standard file system of _______ and uses a block size of_____bytes

A. MS DOS,8K

B. Linux ,1024

C. Linux, 512

D. Unix, 512

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4

An option commonly takes the form of a _____followed by __________characters.

A. dot, one or more

B. dash, only one

C. dash, one or more

D. dot,only two

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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

__________ deals with when a modified page should be written out to secondary memory.

A. Cleaning policy

B. Fetch policy

C. Frame locking

D. None

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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

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

______________ occurs when multiple processes or threads read and write data items so that the final result depends on the order of execution of instructions in the multiple processes.

A. Race condition

B. Mutual exclusion

C. Exception

D. Interrupt

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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

A standard UNIX system includes a set of ___________ and a set of ___________.

A. Commands ,files

B. Libraries, Applications

C. Libraries, files

D. Files, Applications

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4

______________approach simplifies debugging and system verification.

A. Kernel

B. Layered

C. Extended

D. Virtual machine

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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 usual su command syntax is

A. su-pwd

B. su-pd

C. su - userID

D. Sue- ID