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4

The usual su command syntax is

A. su-pwd

B. su-pd

C. su - userID

D. Sue- ID

Correct Answer :

C. su - userID


Related Questions

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4

The date and time displays on

A. Taskbar

B. Launch pad

C. Status bar

D. System tray

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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

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

______________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

____________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

The essential difference between an operating system like Linux and one like Windows is that

A. Linux is a proprietary whereas Windows is not

B. Windows can run with an Intel processor, whereas Linux cannot

C. There are multiple versions of Linux, but only one version of Windows

D. Any programmer can modify Linux code which is not permitted with Windows

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4

A shared memory segment first needs to be allocated (create, using the__________ system call.

A. semget()

B. msgrcv()

C. shmget()

D. mknod()

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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

_____________typically contains temporary data such as subroutine parameter, return address, and temporary variables.

A. Current value of Program Counter

B. Value of the variables

C. The process stack

D. A data section

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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

Underlined text, such as text and folder names is referred to as

A. Hyperlink

B. Menu

C. Source drive

D. None of these

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4

The command used to create logical drive for specific location of disk

A. Format

B. Fdisk

C. Subst

D. All of the above

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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

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

An unauthorized party inserts counterfeit objects into the system is called_________________

A. interruption

B. interception

C. fabrication

D. modification

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4

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

Objects location is found by _________________

A. Broadcasting

B. Encoding Location of objects within UID

C. Searching creator node first and then broadcasting

D. All A, B, C

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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 _________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

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

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

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 sequence of instructions telling the computer what to do is called a_____________

A. program

B. language

C. translator

D. package

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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

A process is _________________

A. program in main memory

B. Program in cache memory

C. program in secondary storage

D. program in execution

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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

The operating system is the most common type of ___ Software

A. System

B. Application

C. Word processing software

D. Communication

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4

The usual su command syntax is

A. su-pwd

B. su-pd

C. su - userID

D. Sue- ID

What is the correct answer?

4

RPN stands for

A. Reverse Polish Notation

B. Record Police Notation

C. Record Polish Notation

D. Reverse Police Negation

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4

Which of the following does not occur during the power-on-self-test (POST)?

A. The scandisk utility begins to run

B. The video card and video memory are tested

C. The BIOS identification process occurs

D. Memory chip are checked to ensure that they are working properly