A virtual private network, or VPN, is an encrypted connection over the Internet from a device to a network. It is useful for corporate traffic over the Internet. Home
A computer monitor is an electronic device that shows pictures for computers. Monitors often look similar to televisions. The main difference between a monitor and a television is that a monitor does not have a television tuner to change channels. Monitors often have higher display resolution than televisions. A high display resolution makes it easier to see smaller letters and fine graphics. The CRT monitor.
An LCD (Liquid Crystal Display) monitor is a thin, flat-panel visual hardware device used to display the graphic output signal provided by a computer. LCD monitors are more energy efficient and compact than CRT (Cathode Ray Tube) monitors.