Wiley Plus 2: Chapter 8
________ occurs when the functions of many physical devices are included in one other physical device.
Dematerialization
________ satellites have the longest orbital life.
GEO
________ satellites have an orbital life of 6-12 years.
MEO
The major types of wireless media are:
Microwave, satellite, radio, and infrared
Which of the following is FALSE of QR codes? - QR codes can store much more information than bar codes. - QR codes can be read from any direction or angle. - QR codes are larger than bar codes because they store information both horizontally and vertically. - QR codes are more resistant to damage than bar codes.
QR codes are larger than bar codes because they store information both horizontally and vertically.
________ transmission systems are inexpensive and easy to install but they create electrical interference problems.
Radio
________ is a substitute for Bluetooth.
Wi-Fi Direct
Suppose you use your university's computer lab to print your research papers. If this computer lab contains laptop computers that use a Wi-Fi hotspot to connect to the printer in the center of the room, it is a ________ lab.
mobile and wireless
The two major characteristics that differentiate mobile computing from other forms of computing are _________ and _________.
mobility; broad reach
The biggest problem with using wireless networks is ________.
security