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Operating systems

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The bzero function fills the first n bytes, starting at address addr, with non-zero values.

Operating systems include:

MS Office

MS-Word, WordPad, PowerPoint

MS-DOS, Windows XP.

100%

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The creation of the process leads to:

changing application settings

system failure

printer request

user request

OS loading

task launch

creation of an OS process required for the operation of any services

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Querying a running process

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Determine the correspondence of concepts

File

Recording

Field

Database

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Description of the system call

The fd parameter

pipe() system call.

Only read operations from pip are allowed.

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The operating system can be stored on:

floppy system disk

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in the user directory

in a special DOS directory

hard magnetic disk

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From which objects can a process receive a signal?

All of the above, except the first and third answers.

Another process that executed the signal transmission system call;

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Operating system (upon the occurrence of certain events);

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Task management systems (when executing the kill command).

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Hardware (if an exceptional situation occurs);

Terminal (by pressing a certain key combination);

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Network operating systems are:

a set of programs that provide processing, transmission and storage of data on the network

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a set of programs transferred over a network from one computer to another

a set of programs for simultaneous work of a group of users

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Since message queues are part of the System V IPC facilities, for them...

All the rules inherent to Unix systems are characteristic.

The main thing is to remember about the semaphores in time.

There are no rules, everyone decides for themselves how to work.

Everything that was said earlier about System V IPC facilities in general is true.

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Everything that was said earlier about System V IPC facilities in general is not true.

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When using the wait() and waitpid() system calls, you need to know what the pid parameter defines.

Find the match:

pid>0

If pid < 0 but not –1

pid = -1

pid = 0

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