Engineering College

Which of the following is True about the tree-directory structure? O A) Directories contain file path and file content O B) The tree structure has a root directory and every file in the system has a unique path name O C) Users cannot acquire permission to access the files of other users. O D) Users cannot create their own subdirectories.

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Answer 1

The tree-directory structure is a system of organizing and storing files and directories on a computer. It has a root directory that is the top-level directory in the system. The following is true about the tree-directory structure:B) The tree structure has a root directory, and every file in the system has a unique path name.

The root directory is the top-level directory in the system, and all directories and files are organized under it. Each file in the system has a unique path name that describes the directory structure leading up to the file.D) Users cannot create their subdirectories. This statement is false because users can create their subdirectories. Users can create their directories to store their files, which helps them organize their files better and keep them separate from other users' files.

A) Directories contain file path and file content. This statement is false because directories contain a list of files and subdirectories but do not contain the file path or content.C) Users cannot acquire permission to access the files of other users. This statement is false because users can acquire permission to access the files of other users if they are granted access by the owner or administrator of the file.

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When traveling at higher speeds (40 mph or faster), the most fuel efficient way to keep the car cool is to

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Answer:

When traveling at higher speeds (40 mph or faster), the most fuel-efficient way to keep the car cool is to follow these tips:

1. Use the vehicle's ventilation system: Instead of relying on air conditioning, use the car's ventilation system to circulate fresh air from outside. This helps to cool down the interior without putting extra load on the engine, thus saving fuel.

2. Close windows and sunroofs: To reduce wind resistance and drag, close all windows and sunroofs while driving at higher speeds. Open windows create drag, which can increase fuel consumption.

3. Park in the shade: Whenever possible, park your car in a shaded area to avoid excessive heating when it's not in use. This can help keep the car cooler and reduce the need for extra cooling when you start driving.

4. Use reflective sunshades or window tinting: Use reflective sunshades on your windshield and window tinting on side windows to reduce the amount of heat entering the car. This can help keep the interior cooler, reducing the need for excessive cooling while driving.

5. Maintain your vehicle: Regular maintenance, such as checking and replacing coolant, inspecting the radiator, and ensuring proper functioning of the engine cooling system, can help keep your car running efficiently and prevent overheating.

6. Plan your trips strategically: If possible, try to avoid driving during the hottest part of the day. By planning your trips to avoid peak temperatures, you can reduce the strain on your vehicle's cooling system and minimize the need for excessive cooling.

Remember that these tips are specifically focused on keeping the car cool while maintaining fuel efficiency at higher speeds. In certain circumstances, such as extremely hot weather, using the air conditioning sparingly may be necessary for passenger comfort, but it will increase fuel consumption.

advantages of fibre glass tape and disadvantages​

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Answer: Seal Edges. Use a 6-inch taping knife to shove fiberglass tape into inside corners, then press down both sides firmly.

Explanation:

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