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AVprozaik [17]
2 years ago
14

The classes Person and Airplane shall have the property to print information about themselves on a printer. Draw class and inter

action diagrams
Computers and Technology
1 answer:
Finger [1]2 years ago
7 0

The classes Person and Airplane shall have the property to print information about themselves on a printer the . Interaction diagrams cognizance on describing the waft of messages inside a device, imparting context for one or greater lifelines inside a device.

<h3>How do you operate interplay diagrams whilst you version dynamic factors of a device provide an explanation for with an instance?</h3>

Purpose of Interaction Diagrams. Sequence and collaboration diagrams are used to seize the dynamic nature however from an exceptional angle. To seize the dynamic behavior of a device. To describe the message waft withinside the device. To describe the structural corporation of the items.

  1. Interaction diagrams are that describe how a collection of items collaborate in a few conduct - generally a single use-case. The diagrams display some of instance items and the messages which can be handed among those items in the use-case.
  2. its call would possibly suggest, an interplay diagram is a sort of UML diagram it's used to seize the interactive conduct of a device. Interaction diagrams cognizance on describing the waft of messages inside a device, imparting context for one or greater lifelines inside a device.

Read more about the interaction diagrams:

brainly.com/question/19632962

#SPJ1

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6 0
3 years ago
Read 2 more answers
This formatting option functions like a space bar. However, instead of moving one space at a time, it allows you to move your te
uysha [10]
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3 0
3 years ago
2.1 Changes in which factors could cause aggregate demand to shift from AD to AD1? What could happen to the unemployment rate? W
katrin [286]

Answer:

There are many factors that cause aggregate demand to shift from AD to AD1. The unemployment rate will fall and inflation will increase.

<u>Explanation:</u>

A Shift in aggregate demand from AD to AD1 means there has been a  fall in demand. Various factors that cause demand to decrease are:

  1. Increase in price of a good itself
  2. Increase in the price of complimentary goods-This will lead to a fall in demand. Like ink and pen are complementary goods. if the Price of ink increases then demand for pen will decrease.
  3. A Decrease in the price of substitute goods-Like tea and coffee.
  4. Expectation regarding future fall in price

So due to the decrease in demand finally the unemployment will increase and with that, the inflation rate will increase making  things dearer.

3 0
3 years ago
Determine the factors using computer failures and defects​
ladessa [460]

Answer:

Voltage spike – This is a momentary change in the supply of electric power. It’s important to remember that the size of the transient can range from just milliseconds to longer periods of time. Even a small power glitch can damage a computer and corrupt data. If the screen goes blank during a thunderstorm, it’s likely that a voltage spike is responsible.

Circuit board fails with no visible indication of damage – This is the typical scenario: A computer goes down. A defective circuit board is suspected of the fault, but an inspection reveals no signs of physical damage. A replacement board is installed and operation resumes.

Failure to load software upgrades – Computer software often comes with various bugs, or vulnerabilities. These are simply programming mistakes, but they can make the software susceptible to viruses and glitches. When an error is discovered, the software designer sends out a “patch” that requires downloading and rebooting. Failing to upgrade the software by running the patch can lead to corruption of data.

Failure to keep virus protection up to date – There are several malware protection packages available for computer rooms or data centers. Once installed, the subscription must be maintained. One telltale sign of a malware infected computer is slow data processing.

Inadequate cooling – Computers produce heat, and the more data they process, the more heat must be eliminated. Servers, the “brains” of computers, fail under excess heat, so adequate cooling is essential.

Environment – If a computer room has a dedicated cooling system, there may be an opportunity to closely control the heat. If the cooling is shared with other equipment or the space contains offices, we often face a more challenging task. People have comfort needs different to those of computers.

Loss of Power, PDU fails – Power Distribution Units (PDU’s) are similar to power bars in homes and offices. They distribute power to different components in a computer room, and are usually located next to the server racks. PDU’s suffer a range of problems. Receptacles wear out and can be the sources of bad contacts, and moisture can lead to corrosion.

UPS batteries – Uninterruptible Power Supply (UPS) batteries are found in computer rooms. Most often, they are used to provide continuous power for a limited time, during an outage. Depending on how it’s used and the design of the battery, the life span can be as short as 4-5 years for what is considered a “10 year life” battery. Elevated room temperatures will shorten the life of any battery. Even a small facility such as a dentist office uses UPS batteries.

Transfer switch battery defective – This can be an indication that the site lacks an effective battery maintenance program. It can also be a sign that the transfer switch is “frozen” in position. Preventive maintenance could help avoid a breakdown.

Failure of standby power to synchronize (come on line) – When electric power from the grid disappears, standby power takes over in two different ways. In a small computer room, the focus is on turning computers off in a controlled manner. A fully charged UPS will provide power for 10-15 minutes to allow a computer to save its data and turn off. In a larger facility, it’s the matter of keeping cooling and power going long enough to give the standby generator an opportunity to “synchronize,” to get up to a rate of speed sufficient to power the infrastructure and continue data processing.

Diesel fuel contaminated – Most medium to large facilities have generators powered by diesel fuel, which can become contaminated and useless when a power outage occurs. Water is usually the culprit. Regular fuel testing is necessary to avoid contamination.

Storage defective – Data is stored on magnetic disks or tape. Both can be damaged during normal operation, so it’s a good practice to back up stored data on a regular basis. Backing up means creating a spare data storage. Failure of a tape or disk drive is often, but not always, proceeded by noise. Opening the unit to attempt data restoration is better left to a professional.

Sprinkler system turns on above the servers – Where a data room is protected by a water sprinkler system, a small spill can damage the electronic components. This is particularly true in cases where sprinkler heads are located directly above the servers.

Computers are crucial to business today, but there are so many things that can cause them to fail. By addressing the above common culprits, you could help reduce the overall risk of your computer systems failing.

Explantion: I hope this helps!!!!! :)

4 0
2 years ago
What is the software that manages and controls the activities and resources of the computer? O The CPU The OS The ALU The GUI D
Elodia [21]

Answer:

the software that manages and controls the activities and resources of the computer is OS

Explanation:

the software that manages and controls the activities and resources of the computer is OS

because here we know that CPU is hardware

and ALU is a digital circuit that is use to perform arithmetic and logic operations

and

GUI or Graphical User Interface controls the graphical interface of the applications

so here correct option is OS that is the software that manages and controls the activities and resources of the computer

7 0
3 years ago
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