3.1 – Cables and Adapters: Peripheral Cables
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Questions and Answers

What is the speed of the low-speed USB 1.1 connection?

  • 1.5 megabits per second (correct)
  • 5 gigabits per second
  • 480 megabits per second
  • 12 megabits per second

Which USB version introduced a maximum speed of 480 megabits per second?

  • USB 3.0
  • USB 1.1
  • USB-C
  • USB 2.0 (correct)

What distinguishes USB-C connectors from traditional USB connectors?

  • USB-C connectors are much larger than micro-B connectors.
  • USB-C can only send data signals.
  • USB-C connectors work in either orientation. (correct)
  • USB-C must be plugged in correctly to work.

What is a common characteristic of USB 3.0 connectors compared to USB 2.0?

<p>USB 3.0 connectors have a higher maximum speed. (B)</p> Signup and view all the answers

What is the maximum cable length for USB 1.1 full speed?

<p>5 meters (B)</p> Signup and view all the answers

Which of the following connectors is used commonly on mobile devices?

<p>Micro-B plug (A)</p> Signup and view all the answers

Which USB version uses the term 'super speed'?

<p>USB 3.0 (C)</p> Signup and view all the answers

What type of signals can be sent using USB-C connectors?

<p>Data, video, and other signals (B)</p> Signup and view all the answers

What is the maximum speed of USB 3.1 Gen 1?

<p>5 gigabits per second (B)</p> Signup and view all the answers

What is the new name for USB 3.1 Gen 2 under the USB 3.2 standard?

<p>USB 3.2 Gen 2 (B)</p> Signup and view all the answers

What is the maximum throughput of Thunderbolt version 3 over USB-C?

<p>40 gigabits per second (A)</p> Signup and view all the answers

Which connector type does USB 3.2 utilize for its enhanced throughput?

<p>USB-C (D)</p> Signup and view all the answers

What is the maximum cable length for a Thunderbolt connection using copper?

<p>3 meters (D)</p> Signup and view all the answers

How many devices can be daisy chained together using Thunderbolt?

<p>6 devices (D)</p> Signup and view all the answers

What standard signals did the 9 pin and 25 pin connections primarily send?

<p>RS-232 signals (D)</p> Signup and view all the answers

What defines the maximum throughput of USB 3.2 Gen 2 times 2?

<p>Two times the standard Gen 2 lanes (D)</p> Signup and view all the answers

What is the speed comparison between USB 2.0 and USB 3.0?

<p>USB 3.0 is faster at 5 gigabits per second (A)</p> Signup and view all the answers

What change occurred with the name of USB 3.0 in the USB 3.2 standard?

<p>USB 3.0 is now called USB 3.2 Gen 1 (C)</p> Signup and view all the answers

Flashcards

USB (Universal Serial Bus)

A type of connector that is used to connect peripherals to computers. It supports various speeds and data transfer rates.

USB 1.1

The first version of USB, with speeds of 1.5 Mbps (low speed) and 12 Mbps (full speed), supporting cable lengths of 3 meters and 5 meters respectively.

USB 2.0

An upgrade to USB 1.1 with significantly faster speeds of 480 Mbps and a maximum cable length of 5 meters.

USB 3.0

A faster version of USB, also known as SuperSpeed USB, capable of transferring data at 5 Gbps and supporting cable lengths up to 3 meters.

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Standard-A Plug

A common connector used for USB 1.1 and 2.0, often found on devices like computers and peripherals.

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Standard-B Plug

Another common connector for USB 1.1 and 2.0, typically found on peripherals.

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Mini-B Plug

A connector designed for smaller devices, commonly found on mobile phones and cameras. It was used with USB 1.1 and 2.0.

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Micro-B Plug

A newer connector designed for even smaller devices, typically used with mobile phones and tablets. It was used with USB 1.1 and 2.0.

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USB 3.1 Gen 1

A type of USB connection that supports a maximum speed of 5 gigabits per second.

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USB 3.1 Gen 2

A type of USB connection that supports a maximum speed of 10 gigabits per second.

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USB 3.2 Gen 2x2

A type of USB connection that supports a maximum speed of 20 gigabits per second.

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Thunderbolt 1

A high-speed data and power transfer technology that features two channels, each capable of 10 gigabits per second, resulting in a maximum throughput of 20 gigabits per second.

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Thunderbolt 2

A version of Thunderbolt that utilizes a single aggregated channel for data transfer, reaching a maximum throughput of 20 gigabits per second.

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Thunderbolt 3

A high-speed interface that utilizes the USB-C connector and transmits Thunderbolt signals over it, delivering a maximum throughput of 40 gigabits per second.

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RS-232

A serial communication standard that transmits data over a single wire, commonly used in older computer peripherals.

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DB-9 or DB-25

A physical connector type that allows data to be transferred as serial signals over a single wire.

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Mini DisplayPort

A small connector, also called a mini DisplayPort, used in early versions of Thunderbolt for transferring data and power.

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USB-C

A common connection type for high-speed data and power transfer, incorporating a physical connection using a USB-C connector.

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Study Notes

USB Connection Standards

  • USB 1.1 had two speeds: low speed (1.5 Mbps, max 3m cable) and full speed (12 Mbps, max 5m cable).
  • USB 2.0 increased max speed to 480 Mbps, max 5m cable.
  • USB 3.0 (SuperSpeed USB) supported 5 Gbps over a typical 3m cable. Maximum cable length not specified in the standard.
  • USB 3.1 Gen 1 (formerly USB 3.0) is 5 Gbps.
  • USB 3.1 Gen 2 (formerly USB 3.1) is 10 Gbps, sometimes called SuperSpeed+.
  • USB 3.2 Gen 1 (formerly USB 3.1 Gen 1) supports 5 Gbps.
  • USB 3.2 Gen 2 (formerly USB 3.1 Gen 2) supports 10 Gbps.
  • USB 3.2 Gen 2x2 supports 20 Gbps.
  • USB 3.2 uses USB-C connectors.

USB Connector Types

  • Standard-A plug (common on many devices)
  • Standard-B plug (larger than Standard-A)
  • Mini-B plug (common on mobile devices)
  • Micro-B plug (common on mobile devices)
  • USB-C connector (symmetrical, no top/bottom, versatile)

USB Naming Conventions

  • Standards are renamed each time there is an update to the USB standard.
  • USB 3.0 was renamed to USB 3.1 Gen 1.
  • USB 3.1 was renamed to USB 3.2 Gen 2.
  • Corresponding changes in naming convention exist for other USB standards.

Thunderbolt Connections

  • Thunderbolt is a high-speed serial connection for data and power.
  • Thunderbolt 1: 2-channel, 10 Gbps per channel (20 Gbps total throughput).
  • Thunderbolt 2: Aggregates channels; 20 Gbps total throughput.
  • Thunderbolt 3 (uses USB-C): Aggregates channels; 40 Gbps total throughput.
  • Uses both copper and fiber connections.
  • Copper connections: Max 3m cable length.
  • Fiber optic connections: up to 60m cable length.
  • Daisy-chaining up to six devices is possible.

Older Connection Standards

  • Pre-USB: 9-pin and 25-pin serial connections were used for RS-232 signal transmission.
  • DB-9 and DB-25 connectors are still used in some devices like serial consoles on network gear.

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Description

This quiz covers the evolution of USB connection standards and their specifications. Learn about different USB versions, their speeds, and connector types. Test your knowledge on how USB naming conventions have changed over time.

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