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4

____________approach can place the data directly into the memory or take the data directly from the memory without direct intervention from the processor.

A. DMA

B. Daisy chain arbitration

C. polling

D. none of these

Correct Answer :

A. DMA


Related Questions

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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 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

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

Load balancing algorithms in ______________ class use the processor and process characteristics to allocate processes to nodes.

A. Static

B. Dynamic

C. Deterministic

D. Probabilistic

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4

Fsck conducts a check in _____ phases

A. One

B. Two

C. Five

D. Eight

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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

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

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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

_______________occurs when two or more execution flows are able to run simultaneously.

A. Deadlock

B. Concurrency

C. race condition

D. interrupt

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4

An unauthorized party inserts counterfeit objects into the system is called_________________

A. interruption

B. interception

C. fabrication

D. modification

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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

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

The name services of DCE include ________

A. the Cell Directory Service

B. the Global Directory Service

C. the Global Directory Agent

D. A,B and C

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4

A solution to starvation is _____________.

A. segmentation

B. Aging

C. Paging

D. virtual memory

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4

The find command is different from most UNIX commands in that each of the argument expressions following the beginning path name is considered a _____________

A. action expression

B. Boolean expression.

C. Boolean constant

D. Search qualifiers

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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

Identify the server:
This type of server generally remains in existence indefinitely. It is shared by many clients. Servers of this type are created and installed before the clients use them.

A. Instance-per-call-servers

B. Persistent Servers

C. Non-Persistent Servers

D. Semantic server

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4

A process may create a new process by executing ___________system call.

A. init

B. fork

C. create

D. new

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______________is responsible for allocating primary memory to processes and for assisting the programmer in loading and storing the contents of the primary memory.

A. Operating system

B. Memory manager

C. Database administrator

D. RAM

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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

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

DSM stands for______________

A. Direct shared memory

B. Direct system memory

C. Distributed shared memory

D. Distributed system memory

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4

The Bankers algorithm is used

A. to prevent deadlock

B. to rectify deadlock

C. to detect deadlock

D. to slove deadlock

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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

______________ are popular way to improve application through parallelism.

A. Processes

B. Threads

C. Context switching

D. none of these

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4

Initialization of I/O devices is part of the_________.

A. CPU

B. MSDOS

C. UNIX kernel

D. None of the above

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4

_____________ manage the name spaces and binds an object to its location.

A. Name Server

B. Name agent

C. Context

D. Name resolution

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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

Which components appear in the initial windows start up display?

A. Dialog box

B. Task bar

C. Start menu

D. All of the above

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One of the wonderful things about UNIX is its ___________names.

A. Unlimited path

B. Unlimited directory

C. Limited path

D. Limited file