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4

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

A. init

B. fork

C. create

D. new

Correct Answer :

B. fork


Related Questions

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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

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 controller can access memory in memory cycles which are not used by the particular bank of memory into which the DMA controller is writing data. This approach, called _________

A. interrupting

B. cycle stealing

C. swapping

D. paging

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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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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

Windows 2000 supports -------------- type of file system

A. NTFS

B. EFS

C. FEFS

D. EFFS

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4

A solution to starvation is _____________.

A. segmentation

B. Aging

C. Paging

D. virtual memory

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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

The time taken by the Dispatcher to stop one process and start another running is known as _________________.

A. Turnaround time

B. Dispatch Latency

C. Access time

D. Response time

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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

Whenever you move a directory from one location to another

A. The directory is moved the source file is not moved

B. All the subdirectory inside that directory are moved

C. All files inside the directory are moved

D. Both b and c

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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

The date and time displays on

A. Taskbar

B. Launch pad

C. Status bar

D. System tray

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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

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

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4

The _____________ are based on modification of the original message in some manner, or on creation of a false message.

A. Passive attack

B. Release of message content attack

C. Traffic analysis attack

D. Active attack

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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 do you mean by 0-reliable level in multicast communication?

A. Multiple responses is expected from any receivers.

B. No response is expected from any receivers.

C. Multiple responses is expected from multiple receivers.

D. A multicast message is received by all the members of the group or none.

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4

In case of ____________________transparency a file can transparently move to another server.

A. Location

B. Migration

C. Replication

D. Concurrency

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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

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

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

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

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

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 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

A page fault occurs when

A. the page is not found in the memory

B. the page is found in the memory

C. the Segmentation starts

D. the Deadlock happens

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4

______________ occurs when multiple processes or threads read and write data items so that the final result depends on the order of execution of instructions in the multiple processes.

A. Race condition

B. Mutual exclusion

C. Exception

D. Interrupt

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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