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.</p> Signup and view all the answers

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

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

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

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

    Which USB version uses the term 'super speed'?

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

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

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

    What is the maximum speed of USB 3.1 Gen 1?

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

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

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

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

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

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

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

    How many devices can be daisy chained together using Thunderbolt?

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

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

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

    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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