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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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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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The problem with logical dumping is ________________

A. very costly

B. very slow

C. human errors

D. all of these

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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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DSM stands for______________

A. Direct shared memory

B. Direct system memory

C. Distributed shared memory

D. Distributed system memory

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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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A process is already split into pieces, called________________.

A. Tasks

B. Program

C. Processors

D. Routines

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Two clocks are said to be synchronized at a particular instance of time if the difference in time values of the two clocks is less than some specified constant. The difference in time values of two clocks is called ___________.

A. Interrupt

B. Clock Frequency

C. Clock Ticks

D. Clock Skew

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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

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

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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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

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

Recently deleted files are stored in

A. Taskbar

B. Desktop

C. My computer

D. Recycle bin

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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

Which of the following is suitable after you install new drivers?

A. Hibernate

B. Sleep

C. Restart

D. Shut Down

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

A. init

B. fork

C. create

D. new

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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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_______________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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The Basic Input Output System (BIOS) resides in

A. RAM

B. ROM

C. The CPU

D. Memory Cache

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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

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

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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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.

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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

Taskbar is used for

A. Navigation program

B. Start a program

C. Switching between program

D. All of above

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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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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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______________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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The early ARPAnet is an example of a distributed computing system based on the ________________.

A. Minicomputer model

B. Workstation model

C. Hybrid model

D. Processor pool model

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4

A solution to starvation is _____________.

A. segmentation

B. Aging

C. Paging

D. virtual memory