Hardware: Communications

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Getting data in and out of a PC can be done in many ways, both wired and wireless. Connections exist for communicating to a variety of Peripheral devices

  • Standard: Monitor, Keyboard, Mouse,
  • Optional: Printer, Scanner, Multi-function (Printer/Scanner/Copier/Fax) and
  • Communication devices: Modem, Router, Switch
Icon Objective.png

Objective : Communications and connections

By the end of this page you will be able to:

  • Describe various ways a Computer can connect to external sources


Universal Serial Bus (USB)

USB 1.0

USB 2.0

USB 3.0

USB 3.0 promises the following:

  • Higher transfer rates (up to 4.8 Gbps)
  • Increased maximum bus power and increased device current draw to better accommodate power-hungry devices
  • New power management features
  • Full-duplex data transfers and support for new transfer types
  • New connectors and cables for higher speed data transfer...although they are backwards compatible with USB 2.0 devices and computers

(SuperSpeed USB 3.0 FAQ, 2010[1] ;Universal Serial Bus,2010, July 31).[2]

eSATA (external Serial Advanced Technology Attachment)

  • Used to connect external SATA hard drives directly to the motherboard.
    • Rev 2.0: (SATA 3Gbps)
    • Rev 3.0: (SATA 6Gbps) standard released 2009
2011: Telecom USB T-stick SW306 21Mbps

Ref: Serial ATA. (2011, March 14)[3]

Wireless communications

Mobile broadband

Telecom T-Stick

2011: Telecom USB T-stick SW306 21Mbps

USB, Suitable for both Windows and Mac operating systems, Supports a MicroSD Card up to 4GB (can double as a portable storage device) 21Mbps Enabled. (National average estimated at 4Mbps)

  • Telecom T-stick MF636 7.2Mbps. National average speed (2011) 3Mbps
  • Telecom Pre-Pay Mobile Broadband 3.6Mbps National average 1.5Mbps

Vodafone (NZ) Vodem

  • Very difficult to find specifications (please help me out !!)


Icon References.png References

  1. SuperSpeed USB 3.0 FAQ (2010, July 27). In Everything USB. Retrieved August 1, 2010 from http://www.everythingusb.com/superspeed-usb.html
  2. Universal Serial Bus. (2010, July 31). In Wikipedia, The Free Encyclopedia. Retrieved August 1, 2010, from http://en.wikipedia.org/w/index.php?title=Universal_Serial_Bus
  3. Serial ATA. (2011, March 14). In Wikipedia, The Free Encyclopedia. Retrieved 10:35, March 16, 2011, from http://en.wikipedia.org/w/index.php?title=Serial_ATA
  4. Telecom T-stick SW306 21Mbps (2011, April 16). In Dick Smith Electronics site. Retrieved April 16, 2011 from http://www.dse.co.nz/dse.shop/4d805de800ef19982740c0a87f3b06f2/Product/View/E9638

Hardware: Communications. (2018). In virtualMV's ( Michael Verhaart ) wiki. Retrieved November 14, 2018, from http://www.virtualmv.com/wiki/index.php?title=Hardware%3A_Communications    (zotero)