Chapter09_questions - Chapter 9: Communications and...

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Chapter 9: Communications and Networks MULTIPLE CHOICE 1. Computer communications describes a process in which two or more computers or devices transfer ____. a. data c. instructions b. information d. all of the above ANS: D PTS: 1 REF: 460 2. A communications ____ is a transmission media on which data, instructions, or information travel. a. route c. flow b. channel d. path ANS: B PTS: 1 REF: 460 3. ____ can serve as sending and receiving devices in a communications system. a. Mainframe computers and servers b. Desktop computers and notebook computers c. Smart phones d. All of the above ANS: D PTS: 1 REF: 461 4. Two examples of ____ are cable television lines and telephone lines. a. sending devices c. receiving devices b. communications channels d. communications devices ANS: B PTS: 1 REF: 461 5. A type of communications device that connects a communications channel to a sending or receiving device is a ____. a. modem c. PDA b. server d. all of the above ANS: A PTS: 1 REF: 461 6. ____ is a conversation that takes place over the Internet using a telephone connected to a desktop com- puter, mobile computer, or mobile device. a. A chat room c. VoIP b. A newsgroup d. An online meeting ANS: C PTS: 1 REF: 462 7. With ____, users type and send short text messages on a smart phone or mobile device.
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a. WMS c. SMS b. XMS d. TMS ANS: C PTS: 1 REF: 463 8. ____ is a real-time Internet communications service that allows wireless mobile devices to exchange messages with one or more mobile devices or online users. a. A chat room c. MMS b. Wireless instant messaging d. Voice mail ANS: B PTS: 1 REF: 464 9. ____ allows users to send graphics, pictures, video clips, and sound files, as well as short text mes- sages to another smart phone or mobile device. a. SMS c. MMS b. TMS d. XMS ANS: C PTS: 1 REF: 464 10. Some services use the term video ____ to refer separately to the capability of sending video clips. a. circuiting c. messaging b. posting d. spotting ANS: C PTS: 1 REF: 464 11. A(n) ____ is a wireless network that provides Internet connections to mobile computers and other devices. a. wi-spot c. quick spot b. hot link d. hot spot ANS: D PTS: 1 REF: 464 12. In many public locations, people connect wirelessly to the Internet through a(n) ____ using their mo- bile computers or devices. a. wi-spot c. quick spot b. hot link d. hot spot ANS: D PTS: 1 REF: 464 13. For hotspots, per access fees average ____. a. $3 c. $7 b. $5 d. $10 ANS: A PTS: 1 REF: 464
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14. A(n) ____ is a coffeehouse or restaurant that provides computers with Internet access to its customers. a. cybercafé c. baseband b. wi-spot d. quick spot ANS: A PTS: 1 REF: 466 15. A GPS receiver is a handheld, mountable, or embedded device that contains all of the following except a(n) ____. a.
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This note was uploaded on 04/19/2010 for the course ACCT ACCT301 taught by Professor Acct301 during the Spring '10 term at 東京国際大学.

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Chapter09_questions - Chapter 9: Communications and...

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