Ch.3 Serial Communication Test
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Questions and Answers

Which data communication interface standard replaced the parallel ATA for connecting EIDE drives to PC motherboards?

  • IEEE 1394d – Proposed
  • SCSI (correct)
  • EIA-530
  • IEEE 1394c-2006

    • Which standard uses a connector identical to RS-232, except in pinouts, for a balanced-to-ground signal system?

  • SATA
  • IEEE 1394c-2006
  • IEEE 1394-2008
  • EIA-530 (correct)

    • Which standard supports isochronous data, delivering data at a guaranteed rate?

  • SCSI
  • SATA
  • IEEE 1394c-2006 (correct)
  • IEEE 1394d – Proposed

    • Which standard was a project to add single mode fiber as an additional transport medium to FireWire?

    <p>IEEE 1394d – Proposed</p> Signup and view all the answers

    Which standard has data rates ranging from 0.5 Gbps to 16.0 Gbps, with a maximum length of 1 m?

    <p>SATA</p> Signup and view all the answers

    Which standard has moved from a parallel configuration to a serial connection, transferring data at a higher rate over a longer distance?

    <p>SCSI</p> Signup and view all the answers

    Which standard uses the S1600 and S3200 modes that compete with USB 3?

    <p>IEEE 1394-2008</p> Signup and view all the answers

    Which standard protocol uses an 8B/10B signaling scheme, where 8-bit combinations are represented by 10-bit patterns?

    <p>IEEE 1394c-2006</p> Signup and view all the answers

    What classification of products does IEEE 1394c-2006 use?

    <p>S1600 and S3200 modes</p> Signup and view all the answers

    What type of standard is EIA-530?

    <p>Mechanical standard for a balanced-to-ground signal system</p> Signup and view all the answers

    What is the data transfer rate for the Universal Serial Bus (USB) version 3?

    <p>Higher speed than previous versions</p> Signup and view all the answers

    Which external bus standard supports data transfer rates of up to 800 Mbps?

    <p>IEEE 1394</p> Signup and view all the answers

    What does the EIA-449 standard describe?

    <p>Media and electrical descriptions for EIA-422 and EIA-423</p> Signup and view all the answers

    What is the purpose of the UART chip in a computer?

    <p>To send and receive 8-bit data values via an EIA-232 circuit</p> Signup and view all the answers

    Which protocol requires specialized transmitting and receiving hardware for synchronous communications?

    <p>HDLC</p> Signup and view all the answers

    What is the range of data transfer rates supported by the Universal Serial Bus (USB)?

    <p>1.5 Mbps, 400 Mbps, 800 Mbps</p> Signup and view all the answers

    Which standard originally intended to phase out RS-232 but has been replaced by EIA-530 for circuits above 20 Kbps?

    <p>EIA-449</p> Signup and view all the answers

    What is the signal used to determine whether the DCE is in the DATA mode and ready to communicate?

    <p>DTE Ready</p> Signup and view all the answers

    What does a differential transmitter do in signal transmission?

    <p>Puts the transmitted signal on one line and a polarity-inverted copy on the other</p> Signup and view all the answers

    What are the design goals of the Universal Serial Bus (USB)?

    <p>&quot;Low cost and true plug-and-play operation&quot;</p> Signup and view all the answers

    Which organization developed the TIA/EIA-232-F standard?

    <p>Electronic Industries Alliance</p> Signup and view all the answers

    What is the purpose of the TIA/EIA-232-F standard?

    <p>To establish the electrical and/or mechanical interface between the DCE and the DTE</p> Signup and view all the answers

    What are the main focus of this chapter?

    <p>Serial communication standards and their impact on PC interfaces</p> Signup and view all the answers

    What is the role of TIA/EIA serial standards?

    <p>To specify the electrical and/or mechanical interface between the DCE and the DTE</p> Signup and view all the answers

    What was the original intention of the TIA/EIA-232-F standard?

    <p>To describe the interface between a modem and a teleprinter</p> Signup and view all the answers

    What does DTE stand for in data communications?

    <p>Data Terminal Equipment</p> Signup and view all the answers

    What is the purpose of signal conversion in digital communication?

    <p>To adapt internal voltage-based representation to suit the communication channel medium</p> Signup and view all the answers

    What are some examples of PC-based standards mentioned in the text?

    <p>USB 2.0, FireWire, SATA</p> Signup and view all the answers

    What does EIA stand for in 'EIA449'?

    <p>Electronic Industries Association</p> Signup and view all the answers

    What was the intended use of RS-232-C when it was first conceived?

    <p>To specify only a 25-pin connector and describe its actions</p> Signup and view all the answers

    What is the focus of TIA/EIA-422 and 423 standards?

    <p>Electrical and/or mechanical interface between DTEs, DCEs, and other devices</p> Signup and view all the answers

    Why did EIA449 apparently never really catch on?

    <p>It did not offer significant improvements over RS-232-C</p> Signup and view all the answers

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