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PCs Glossary: N

network: A group of two or more computer systems linked together. Components of a network include a networking adapter, cables, and a hub.

network port: Where you plug in a local-area network (LAN) connector or where you attach a broadband modem to the PC’s I/O panel.

networking adapter: A device that interfaces a PC with a network.

NIC: Network information card; Ethernet networking hardware that your computer requires to connect to a network.

notebook: Another name for a laptop.

NTFS: New Technology File System. The standard file system used for Windows NT, 2000, XP, and Vista. NTFS is preferred to the older FAT32 system. NTFS improves system performance, reliability, and disk space use, and it also offers improved security. For example, you can set permissions for individual files as well as directories to control access by other users.

Num Lock: A key on a computer keyboard that, when pressed to make active, makes the numeric keypad on the right side of the keyboard produce numbers. When the Num Lock key is inactive, you can use the numeric keypad for moving the text cursor.

numeric keypad: The keypad that allows you to type numbers when the Num Lock key is on.

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