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netineya [11]
3 years ago
11

Write a function, named "wait_die_scheduler" that takes a list of actions, and returns a list of actions according to the follow

ing rules. The actions given to the scheduler will only consist of WRITE and COMMIT actions. (Hence only exclusive locks need be implemented.) Each transaction will end with a COMMIT action. Before examining each action, attempt to perform an action for each of the transactions encountered (ordered by their names). After all the actions have been examined, continue to attempt to perform an action from each transaction until there are no more actions to be done. You will need to add LOCK, UNLOCK, and ROLLBACK actions to the list of actions to be returned, according to the Wait-Die protocol. If releasing more than one lock (for instance after a COMMIT), release them in order by the name of their object. Use the deferred transaction mode (only requesting locks when needed).

Computers and Technology
1 answer:
lidiya [134]3 years ago
4 0

Answer:

See attached picture for complete code.

Explanation:

See attached picture.

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A section at the top of the page that makes it easy for the recipient to respond to a letter is called a(n
Umnica [9.8K]

Answer:

Address block.

Explanation:

7 0
3 years ago
Write an if/else statement that compares the value of the variables soldYesterday and soldToday, and based upon that comparison
jenyasd209 [6]

Answer:

if(soldYesterday > soldToday){

salesTrend = -1;

} else if(soldToday > soldYesterday){

salesTrend = 1;

}

Explanation:

The if/else statement is more explicit. The first if condition check if soldYesterday is greater than soldToday, if true, then -1 is assigned to salesTrend.

Else if soldToday is greater than soldYesterday, if true, then 1 is assigned to salesTrend.

7 0
3 years ago
Outline the steps necessary to prepare a storage device for storing files. Identify and briefly describe the tools used to prepa
Fantom [35]

Answer:

Outline the steps necessary to prepare a storage device for storing files.

  1. Link the storage unit to a network, whether it be a laptop computer or a mobile device.
  2. Firewall it with sufficient anti-virus so that it also does not affect the linked system.
  3. The program must auto-install the storage device on the network after quarantine, and authorize it.
  4. Test the file that requires to be moved to the storage device, then upload it to the storage device after anti virus is safe.
  5. Should not directly pull the storage device out of the network, select the exit device option correctly and only then remove the device after it has been accepted.

Identify and briefly describe the tools used to prepare a storage device for storing files.

<em>EFSDump -</em> Users can share encrypted files by carrying certificates by using EFSDump. It is usually very time consuming to audit the users who have privileges. But it is very simple to list users who have access to encrypted files using EFSDump.

<em>SDelete -</em> Suppose Windows operating system eliminates the index and prevents access when we delete a file. All the same, attackers can still recover the contents of the file. Files that are encrypted by EFS leave the file behind on the disk. Using the SDelete tool we can modify free space to prevent the recovery of deleted files.

Explain why file systems are critical components of an operating system. What is their purpose?

Hypothetically defining file system is nothing more than the way files are called and logically organized for storage.

Ex: DOS, Windows, and Unix-based operating systems all contain various file systems where data is organized in tree structure.

Usually defines the naming of files, how long the suffix can be. The file system often includes a format indicating the access to a file.

Specify the file system or file systems that would be available with that operating system.

A file system controls the mechanism by which data is stored and accessed on a disk. This deals mainly with internal disk operations such as naming files, records, directories, documentation, storage management, and other protocol accesses.

  1. FAT (File Allocation Table)
  2. NTFS (New Technology File System)

Describe from an administrator perspective what is necessary to prepare a storage device for access by a user.

Connection to the storage unit is equipment-oriented. The Windows Explorer summary contains optical drives, USB keys and hard drives as separate devices, making it much easier to navigate a new computer.

To connect a Linux computer you must mount the drive by connecting it to a directory.

Usually mounting a device is a manual operation, since only the administrator determines which directory the system attaches to.

Graphical interfaces are seldom seen on Linux servers. When you plug a storage device into a USB port on your computer, nothing can happen.

Usually the mount command looks like mount/dev / sdb1/mnt, where /dev / sdb1 is the system and /mnt is the directory you want to mount it.

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System output can be improved not only by choosing the most appropriate file system(s) but also by using the various choices available for most file systems.

There are variations in the number of options depending on the specific file system, and some options can only be set at the time of development of the filesystem, even though it can be modified afterwards.

7 0
3 years ago
The word count of the active document is typically displayed on the ________.
romanna [79]

Click the Word Count in the Proofing Group. Maybe the name is the Bottom ribbon tab

4 0
3 years ago
1. It defines the amount of white space that appears at the top, bottom, left, and right edge of
LekaFEV [45]

Answer:

Margin is the correct answer to the given question .

Explanation:

The main objective of the margin is to setting the white space that are showing up at the top , bottom, left and the right corners of the file or the document .

Following are steps to setting the white space that are showing up at the top , bottom, left and the right corners of the file or the document

  • Firstly click on the page layout  options  .
  • After that click on the margin tab .In this tab you will given the the top, bottom, left, and right margin according to your need
  • Finally click on ok to finish them .
8 0
3 years ago
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