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4

Which is the layer of a computer system between the hardware and the user program

A. Operating system

B. Operating environment

C. System environment

D. None

Correct Answer :

B. Operating environment


Related Questions

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An operating system version designed for use with a media center PC is Microsoft Windows XP

A. Media center edition

B. Home edition

C. Tablet PC edition

D. None of above

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4

In the case of____________, message remains in the senders address space until the receiver executes the corresponding receive.

A. No buffering

B. Single message buffering

C. Unbounded-capacity buffer

D. Finite bound buffer

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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

IDL stands for_____________________

A. Integrated Data library

B. Isolated Data Library

C. Interface Data Language

D. Interface Definition Language

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4

A process control block contains varies attributes required by _____________ to control a process.

A. RAM

B. virtual memory

C. BIOS

D. Operating 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

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

SRM stands for

A. Security Resource Manager

B. Secret Resource Manager

C. Security Reference Monitor

D. Security Reference Manual

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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

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

The usual su command syntax is

A. su-pwd

B. su-pd

C. su - userID

D. Sue- ID

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4

Choose the correct statement from the following.

A. In computer terminology, variables are symbols which stand for some value.

B. An alternative method for executing the commands in the file backup is to make the file as directory.

C. The restricted shell gives more control to the system administrator and restricts the options of the user.

D. The decision making done by computer programs is in the form of conditional execution.

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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

_______________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

A process is already split into pieces, called________________.

A. Tasks

B. Program

C. Processors

D. Routines

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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

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

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

_______refers to the block size of the DSM system, i.e. to the units of sharing and the unit of data transfer across the network when a network block fault occurs.

A. Granularity

B. Coherence

C. Abstraction

D. Synchronization

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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

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

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

PVM stands for

A. Parallel Virtual Machine

B. Parallel Virtual Message

C. Process Virtual Machine

D. Process Virtual Monitor

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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

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

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

The problem with logical dumping is ________________

A. very costly

B. very slow

C. human errors

D. all 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

Wiretapping to capture data in a network is an example of ________________

A. interruption

B. interception

C. fabrication

D. modification

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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.