Printers connected to the Internet that provide printing services to others on the Internet are called _______.
A. dot-matrix printers
B. thermal printers
C. plotters
D. cloud printers
查看答案
The most widely used audio-output devices.
A. Microphones
B. Speakers and headphones
Cloud printers
D. Faxes
Which of the following allows the transmission of voice and often video communication over the Internet?
A. Faxing
B. Cell phones
C. PDAs
D. Voice over IP
_______ are used on smartphones and other small portable devices.
A. Mouse pointers
B. Ethernet ports
C. Virtual keyboards
D. Game controllers
The mouse, game controllers, touch screens, and styluses are all types of _______ devices.
A. MIDI
B. ethernet
C. bus
D. pointing