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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

Correct Answer :

D. All A, B, C


Related Questions

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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

_____________ 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

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

Recently deleted files are stored in

A. Taskbar

B. Desktop

C. My computer

D. Recycle bin

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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

DSM stands for______________

A. Direct shared memory

B. Direct system memory

C. Distributed shared memory

D. Distributed system memory

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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

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 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

_______________refers to a strategy where whenever a resource is requested, it is only granted if it cannot result in deadlock.

A. Deadlock Prevention

B. Livelock

C. Deadlock avoidance

D. none of these

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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

SRM stands for

A. Security Resource Manager

B. Secret Resource Manager

C. Security Reference Monitor

D. Security Reference Manual

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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

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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

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

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

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

When a peripheral device needs immediate attention from the operating system, it generates a(n)

A. Page file

B. Spool

C. Stack

D. Interrupt

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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 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

A program to be executed must be in ---------------

A. main memory

B. secondary memory

C. virtual memory

D. Read only memory

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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

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

______________is a mechanism the prevents two or more processes from accessing a shared resource simultaneously.

A. Livelock

B. Preemption

C. Semaphore

D. either or

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4

Which one of the following statements is true?

A. The cat command cares which file it receives as input or where the input goes.

B. Relative pathnames begin with something other than the slash character

C. UNIX shells never remember their current working directory (CW.

D. The cat command interprets -X as an option character rather than a pathname.

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4

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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4

______________approach simplifies debugging and system verification.

A. Kernel

B. Layered

C. Extended

D. Virtual machine

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4

The _________takes any characters from standard input, and then echoes them to standard output.

A. kill character

B. cat command

C. cate command

D. control command

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4

___________variable is not automatically created on all UNIX systems but is used by so many programs that it is considered a standard environment variable.

A. IFS

B. MAIL

C. TERM

D. PATH

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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