Software
The physical parts of a computer are all called hardware. That is opposed to ideas and invisible code called software that are encoded on a physical medium. Even a diskette or CD is technically considered hardware, while the data which is stored on it is software.
Hardware
hardware
The hardware
The firewall makes your computer practically invisible, along with antivirus software.
You can block logical ports to invaders and make your computer invisible to others on the Internet by installing
In invisible ink, ammonia is typically used in a ratio of 5 parts ammonia to 50 parts of another liquid or solution. This concentration helps to reveal the invisible message when it is heated or exposed to certain chemicals.
Hardware
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A bindle of wires that connects computer parts is called Cables People who dont know dizs r Morons:P
Some parts of the air - the so-called green-house gasses. Not the more common parts of the air.