Susan works in the research and development department. She has recently purchased a large high-speed external drive and has att

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2 years ago

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Susan works in the research and development department. She has recently purchased a large high-speed external drive and has att

ached the drive to her computer using a USB cable. Her drive requires a minimum bandwidth of 400 Mbps and at least 900 milliamps (mA) to function.
Although the correct drivers are installed, the drive is not functioning. To troubleshoot the problem, she has connected her drive to her coworkers' computer where the drive functions properly. No additional cables are required for this drive.
Which of the following is the MOST likely reason Susan's external hard drive is not working?
A. Susan has connected her drive to a USB 3.0 port, which does not have enough power for her drive.
B. Susan has connected her drive to a USB 2.0 port, which does not have enough power for her drive.
C. Susan has connected her drive to a USB 3.0 port, which does not support the maximum bandwidth required.
D. Susan has connected her drive to a USB 2.0 port, which does not support the maximum bandwidth required.

Physics

1 answer:

ivann1987 [24] · Answer 1 · 2023-03-20T08:51:20+03:00

The reason why Susan's drive is not working is that she has connected the drive to a USB 2.0 port, which does not have enough power for her drive.

USB is a short acronym for the original word called a Universal Serial Bus. USB is a connector interface for connecting a computer to peripherals and other devices.

USB comes in different specs such as the:

USB 2.0
USB 3.0

Some of the characteristics differences between USB 2.0 and 3.0 are:

A USB 2.0 requires 480 Mbps for data transfer speed while USB 3.0 requires 4800 Mbps.

A USB 2.0 has the ability to use a maximum power of 500 mA, while USB 3.0 can make use of up to 900 mA.

From the given information, It is stated that the drive requires a minimum of 400 Mbps and at least 900 mA;

Therefore, it implies that the drive is supposed to work with a power of at least 900 mA for it to work.

But since it is not working, we can conclude that the drive is connected to a USB 2.0 port (500 mA) which does not have enough power for the drive.

Learn more about the USB port here:

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