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______________approach simplifies debugging and system verification.

A. Kernel

B. Layered

C. Extended

D. Virtual machine

Correct Answer :

B. Layered


Related Questions

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What is Dr. Watson?

A. IT Expert

B. Diagnosis tool

C. Surgeon

D. None

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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

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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In ________________________ each node periodically sends a message to the time server.

A. Passive Time Server Centralized Algorithm

B. Active Time Server Centralized Algorithm

C. Global Averaging Distributed Algorithms

D. Localized Averaging Distributed Algorithms

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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 buffering strategy is used for implementing synchronous communication?

A. Single message buffer

B. Unbounded - Capacity buffer

C. Finite-Bound Buffer

D. All can be used.

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4

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

A. semget()

B. semsget()

C. mknod()

D. sempget()

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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

__ 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

Find out the characteristics of System-oriented names:

A. They are large integers or bit strings.

B. They are of the same size

C. Generally shorter than human-oriented names and are easy for manipulations like hashing, sorting and so on.

D. All A, B, C

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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

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

A _______________in a distributed system is a string of bits or characters that is used to refer to an entity.

A. name

B. attribute

C. identifiers

D. addresses

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4

A solution to starvation is _____________.

A. segmentation

B. Aging

C. Paging

D. virtual memory

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4

Which command is used to display the contents of the text file of DOS?

A. Copy

B. Copy con

C. Dir

D. Type

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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

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

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

______________ 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

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 process is already split into pieces, called________________.

A. Tasks

B. Program

C. Processors

D. Routines

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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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_______________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

In the case of____________ , changes to an open file are only locally visible.

A. session semantics

B. immutable files

C. atomic transactions

D. None of the above.

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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

Which of the following is not essential to shut down your computer?

A. XCOPY

B. Edit

C. Sys

D. None of the above

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4

Fsck conducts a check in _____ phases

A. One

B. Two

C. Five

D. Eight

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4

Because the I/O devices are not synchronized with the CPU, some information must be exchanged between the CPU and the device to ensure that the data is received reliably. This interaction between the CPU and an I/O device is usually referred to as ____________

A. polling

B. arbitration

C. handshaking

D. interrupting

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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