Window

src: upload.wikimedia.org A window is an opening in a wall, door, roof or vehicle that allows the passage of light, sound, and air. Modern ...

Control-Alt-Delete

src: i.ytimg.com Control-Alt-Delete (often abbreviated to Ctrl+Alt+Del , also known as the "three-finger salute" or "Securit...

Window

src: upload.wikimedia.org A window is an opening in a wall, door, roof or vehicle that allows the passage of light, sound, and air. Modern ...

Firewall (computing)

src: thumbs.dreamstime.com In computing, a firewall is a network security system that monitors and controls incoming and outgoing network t...