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4

______________ selects a process from among the ready processes to execute on the CPU.

A. CPU Scheduler

B. Loader

C. Dispatcher

D. Compiler

Correct Answer :

A. CPU Scheduler


Related Questions

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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

Which one is true for unconditional disk formatting?

A. Transfer system files after format

B. Do not check/scan surface after format

C. Destroys every byte of data on a disk by overwriting it with with blank spaces

D. All of above

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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

____________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

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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

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

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

______________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

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

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

Recently deleted files are stored in

A. Taskbar

B. Desktop

C. My computer

D. Recycle bin

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4

In Windows, start button is used to

A. Device setting

B. Run applications

C. All of above

D. Turn off the system

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4

The usual su command syntax is

A. su-pwd

B. su-pd

C. su - userID

D. Sue- ID

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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

When copying more than one file at a time, you must specify an existing directory as the ___________

A. Source

B. Sub directory

C. Destination.

D. Path name

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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

_________, 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

Which of the following is/are external commands?

A. Edit

B. Label

C. Sys

D. All of above

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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

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

PVM stands for

A. Parallel Virtual Machine

B. Parallel Virtual Message

C. Process Virtual Machine

D. Process Virtual Monitor

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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

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

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

______________ 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

In layered approach each layer uses the functions and services of ------------------

A. kernel

B. lower-level layers

C. higher-level layers

D. all of these

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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

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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4

In Multics, a process could have up to 256K segments, but each segment was limited to ___________ 64K words.

A. 64K

B. 32K

C. 1024K

D. 112K

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4

The algorithm should be scalable i.e. _____________.

A. The system should not enter a state in which nodes spend all their time migrating processes or exchanging control messages without doing any useful work.

B. The system should be able to handle small and large networked systems.

C. The algorithm should not be affected by the crash of one or more nodes in the system.

D. The process assignment decisions should be based on the current load of the system and not on some fixed static policy.