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

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

<p>IEEE 1394-2008 (B)</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 (C)</p> Signup and view all the answers

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

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

What type of standard is EIA-530?

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

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

<p>IEEE 1394 (B)</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 (B)</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 (C)</p> Signup and view all the answers

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

<p>HDLC (B)</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 (B)</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 (C)</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 (D)</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 (A)</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; (D)</p> Signup and view all the answers

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

<p>Electronic Industries Alliance (D)</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 (A)</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 (A)</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 (B)</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 (A)</p> Signup and view all the answers

What does DTE stand for in data communications?

<p>Data Terminal Equipment (A)</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 (B)</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 (C)</p> Signup and view all the answers

What does EIA stand for in 'EIA449'?

<p>Electronic Industries Association (C)</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 (D)</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 (B)</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 (B)</p> Signup and view all the answers

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