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Gnom [1K]
3 years ago
5

I need help with this chart !

Computers and Technology
1 answer:
Alex17521 [72]3 years ago
3 0

Not in high school but i tried my best to help

(Sorry that its blurry )

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Two technicians are discussing engine valve timing. Technician A says that the optimum valve timing is found through experimenta
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The answer is B. A only. The optimum valve timing is found through experimentation using an engine dynamometer. The timing of the opening and closing of the valves is called valve timing. So the use of dynamometer measures the power output of a machine that is why it can measure the optimum valve timing.
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3 years ago
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1. What is the main factor that affects Earth’s average temperature?
user100 [1]

Answer:

1. The Sun is the primary source of energy that influences any planet's temperature, including Earth. The amount of energy received from the Sun is called insolation; the ratio reflected is called the albedo.

2.There are three major ways in which global warming will make changes to regional climate: melting or forming ice, changing the hydrological cycle (of evaporation and precipitation) and changing currents in the oceans and air flows in the atmosphere

3.The warming of Earth is primarily due to accumulation of heat-trapping greenhouse gases, and more than 90 percent of this trapped heat is absorbed by the oceans. As this heat is absorbed, ocean temperatures rise and water expands. This thermal expansion contributes to an increase in global sea level.

4.The main sources of greenhouse gases due to human activity are: burning fossil fuels leading to higher carbon dioxide concentrations. farming and forestry — including land use change via agriculture and livestock. cement manufacture.

5. - Reduce, Reuse, Recycle

- Use Less Heat and Air Conditioning

-Use Less Hot Water

Explanation:

5 0
4 years ago
______ is a modem standard that uses Lempel-Ziv encoding to compress data. V.22 V.44 V.32bis V.34 RS 232
tester [92]

Answer:

V44 uses Lempel-Ziv-Welch encoding to compress data.

Explanation:

Lempel–Ziv (LZW) created by Abraham Lempel and Jacob Ziv is a universal lossless data compression algorithm. It is an improvement of LZW algorithm.

It makes use of LZ78 algorithms. This algorithm achieve its compression by taking out repeated occurrences of data with references to a dictionary that is built based on the data stream it received as input.

Also, its dictionary pre-initialized with all available possible characters and symbols.

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3 years ago
Which is the best description of a computer virus?
MatroZZZ [7]
The best description of a computer virus is. Someone first starts out making a malicious program, then can send it to a unexpected user. After that, when the user opens the malicious program, it can do negative things on the target. The virus first starts out in the system32, then infects a random file type for example, exe files, or dlls etc. Then random errors can pop up on the computer saying "YOUR COMPUTER IS UNDER RISK! CALL THIS NUMBER NOW! 555-555-5555" and the options of the error, can direct you to a website, that can give you another virus. To get rid of a virus, you have to ignore the popups that comes onto your computer, and get a strong antivirus like avast, or avg. Then let it scan the system. After when the scan is done, it will show up the virus, and it will give you options "to delete virus or ignore it" you would hit delete. I hope this answer helped you. Let me know if you have any more questions! Thanks!
6 0
3 years ago
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___________achieves integration though several different types of software that sit between and provide connectivity for two or
Simora [160]

Answer:

The answer is "Middleware"

Explanation:

Middleware is a program that sits between certain OS and the applications, which operate it. It is functioning as a secret level of transcription, that allows interaction and database processing for remote systems.

  • It links the channel-based queries, that a user creates to the data that even the server requests.  
  • It is a broad term of software who serves to "glue together" different programs, often complicated and have already existed.
6 0
3 years ago
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