A reboot means to turn your machine off and turn it back on again bootable disk A disk that can be used to start your system because it contains certain system files. An application used to surf the World Wide Web. The most commonly used browsers are Netscape and Internet Explorer. One thousand bytes is a kilobyte and one million bytes is a megabyte. A device that plugs into your system unit and provides auxiliary functions.
Some examples are video cards, modem cards, sound cards and network cards.
CD-ROM's are typically used for storing large databases. It also enables the use of online services. For example a math coprocessor. The on-screen pointer.