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