| Term | Definition |
| Net Sales | Total revenue (Gross Sales) generated after subtracting out all voids, returns, comps, or discounts, overhead, payroll, etc. |
| NetBEUI | The network transport protocol used by all of Microsoft's network systems and IBM's LAN Server based systems. NetBEUI is often confused with NetBIOS. NetBIOS is the applications programming interface and NetBEUI is the transport protocol. |
| Network | A system of computers and peripherals (devices such as printers) linked together. There are two types of networks: LANs (Local Area Networks) and WANs (Wide Area Networks). |
| Network Interface Card (NIC) | An adapter that allows a computer to be connected to a network. A NIC allows the network connection to be made directly through the computer’s internal bus, rather then through a serial port, which would be much slower |
| Network Node | An addressable device attached to a computer network used to identify locations of peripherals. |
| New Technology File System(NTFS) | New Technology File System. A system for organizing directories and files that embeds security and encryption.Also See – FAT. |
| NIC | Network Interface Card (NIC) - An adapter that allows a computer to be connected to a network. A NIC allows the network connection to be made directly through the computer’s internal bus, rather then through a serial port, which would be much slower |
| NLU | Number Look Up (NLU) - A means by which a user can post menu items by entering the number assigned to that item in the database. Used commonly with wines when a restaurant offers an extremely large variety. |
| No Sale | A function to open the cash drawer without beginning a guest check or fast transaction. |
| Noise | A random electrical signal on a communications channel that interferes with the desired signal. Noise can be generated by the source itself, or can come from an outside source. |
| Non-Revenue Service Charge | Records the payment of funds without posting the payment to sale total.Example: A non-revenue service charge may be used to record a deposit for a banquet. |
| North American LDS | Restricts liquor dispensing by preventing the LDS from pouring a drink until that drink has been posted to the POS. |
| NTFS | New Technology File System (NTFS) - New Technology File System. A system for organizing directories and files that embeds security and encryption.Also See – FAT. |
| Number Look-Up (NLU) | A means by which a user can post menu items by entering the number assigned to that item in the database. Used commonly with wines when a restaurant offers an extremely large variety. |