A+ Essentials Chapter 16

  • CompTIA A+
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| By Darren McMahon
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Darren McMahon
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Quizzes Created: 20 | Total Attempts: 13,130
| Attempts: 545 | Questions: 10
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1. Which of the following mice technologies most needs to be cleaned?

Explanation

Ball mice get the dirtiest.

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About This Quiz
A Plus Certification Quizzes & Trivia

It is important to differentiate between inputs and outputs when it comes to computers. In chapter 16 we covered how to identify both input and output devices, how they work on a PC and how to support input/output ports. Test your understanding of this chapter by taking up the quiz... see morebelow. All the best! see less

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2. What is the fastest speed that Hi-Speed USB 2.0 can go?

Explanation

Hi-Speed USB 2.0 has a theoretical maximum of 480 Mbps.

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3. USB 1.1 devices can run at two speeds. What are the speeds?

Explanation

USB 1.1 can run at either 1.5 or 12 Mbps.

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4. If you attempt to scan an item and the scanner light assembly does not move,
what is most likely the problem?

Explanation

The scanner light assembly is most likely locked.

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5. What’s the maximum cable length for USB?

Explanation

USB 1.1 devices can run at either 1.5 Mbps or 12 Mbps.

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6. What integrated circuit device controls USB devices connected to a USB port?

Explanation

The host controller controls USB devices plugged into the USB bus via a
USB port.

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7. What happens to bus speed and power usage when you plug multiple devices
into a USB hub?

Explanation

The bus speed decreases because all devices share the same total
bandwidth; power usage increases.

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8. Which port type offers the fastest transfer speed?

Explanation

FireWire 800 easily spanks the competition here.

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9. You take a tech call from a user who complains that she gets an error message,
“Hub power exceeded,” when she plugs her new thumb drive into her USB
keyboard’s external USB port. Worse, the device won’t work. What’s most
likely the problem?

Explanation

Just like the error message said, the thumb drive drew too much power for
the hub to handle.

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10. A serial port receives and sends serial data. What device translates that serial
data into parallel data for the computer to use?

Explanation

The UART handles the serial to parallel and parallel to serial translation.

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  • Oct 23, 2008
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Which of the following mice technologies most needs to be cleaned?
What is the fastest speed that Hi-Speed USB 2.0 can go?
USB 1.1 devices can run at two speeds. What are the speeds?
If you attempt to scan an item and the scanner light assembly does not...
What’s the maximum cable length for USB?
What integrated circuit device controls USB devices connected to a USB...
What happens to bus speed and power usage when you plug multiple...
Which port type offers the fastest transfer speed?
You take a tech call from a user who complains that she gets an error...
A serial port receives and sends serial data. What device translates...
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