Voice over Ip(VOIP)

Voice over Ip(VOIP)   Voice over IP (VOIP) uses the Internet Protocol (IP) to transmit voice as packets over an IP network. So VOIP can be achieved on any data…

Keyboard shortcuts for Windows

Keyboard shortcuts for Windows F1: Help CTRL+ESC: Open Start menu ALT+TAB: Switch between open programs ALT+F4: Quit program SHIFT+DELETE: Delete item permanently Windows Logo+L: Lock the computer (without using CTRL+ALT+DELETE) CTRL+C: Copy…