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The PC Glossary

Definitions of Computer and Internet Terms

Computer Terms Beginning with "N"

Name Server A name server translates domain names into IP addresses. This makes it possible for a user to access a website by...
NAS NAS is short for "Network Attached Storage." It refers to a network storage system in which shared data is stored in a...
NAT Stands for "Network Address Translation." NAT translates the IP addresses of computers in a local network to a single...
Native File When you save a file using a certain program, the file is often saved in a proprietary format only that program can...
NetBIOS Stands for "Network Basic Input/Output System." NetBIOS was introduced in 1983 by IBM as an improvement to the...
Netiquette Netiquette, or net etiquette, refers to etiquette on the Internet. Good netiquette involves respecting others' privacy...
Netmask A netmask is used to define a range of IP addresses. It is similar to a subnet mask, but is used to define classes of...
Network When you have two or more computers connected to each other, you have a network. The purpose of a network is to enable...
Network Topology A network topology describes the arrangement of systems on a computer network. It defines how the computers, or nodes...
Newbie A new user of a technology, such as a computer, a certain computer program, or the Internet, is often referred to as a...
Newsgroup A newsgroup is an Internet-based discussion about a particular topic. These topics range from sports, cars, investing...
NIC Stands for "Network Interface Card." Pronounced "nick," this is the card that physically makes the connection between...
NNTP Stands for "Network News Transfer Protocol." For a message to be posted to a newsgroup, it must be sent through this...
NOC Stands for "Network Operations Center." It is the central location where a company's servers and networking equipment...
Node Any system or device connected to a network is also called a node. For example, if a network connects a file server...
Non-Impact Printer Most modern printers are called non-impact printers since they do not operating by striking a print head against an ink...
Northbridge The northbridge is a chip inside a computer that connects the central processing unit (CPU) to other primary components...
NTFS Stands for "New Technology File System." NTFS is a file system introduced by Microsoft with Windows NT and is...
Null When a variable has no value, it considered to be null. Having a null value is different than having a value of...
Null Character A null character is a character with all its bits set to zero. Therefore, it has a numeric value of zero and can be...
Num Lock Num Lock is a toggle key that toggles the input of the numeric keypad. When Num Lock is on, the keypad can be used to...
Nybble A nybble, sometimes spelled "nibble," is a set of four bits. Since there are eight bits in a byte, a nybble is half of...

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