Chapter 6, Problem 31SG

Explanation of Solution

Port options for computers and mobile devices:

The port options that are needed for computers and mobile devices are as follows:

• Displays:
  • There are four port options that are needed to connect the computer and mobile devices to display devices such as monitor and projector.
  • The four ports are Digital Visual Interface port (DVI), Video Graphics Array (VGA) port, High Definition Multimedia Interface port (HDMI), and DisplayPort.
• Networking:
  • Ethernet port is used to connect the computer and mobile devices to a wired network...

Explanation of Solution

Functions of each port options:

Port functions of displays: The four port options that are needed for displays are as follows:

• DVI port:
  • Full form of DVI is Digital Visual Interface.
  • It is a video display interface.
  • This port is used for transmitting digital video content to display devices.
  • Common display devices are computer monitors and projectors.
• VGA port:
  • Full form of VGA is Video Graphics Array.
  • This port is used to transmit only a video signal from a device to a display.
• HDMI port:
  • Full form of HDMI is High Definition Multimedia Interface.
  • This port is the interface standard.
  • This port is used to transmit both digital video and audio signals from a device to a display.
• Display port:
  • It is a digital display interface.
  • It is mainly used to connect a video source to a display device such as a computer monitor.
  • It is also able to carry audio signal and other forms of data.

Port functions of networking: Ethernet port is needed for networking that is for a wired computer network.

• Functions of Ethernet port:
  • It is also called local area network (LAN) port or network connection, or network port...