Pronounced rahm, acronym for read-only memory, computer memory on which data has been prerecorded. Once data has been written onto a ROM chip, it cannot be removed and can only be read.
Unlike main memory (RAM), ROM retains its contents even when the computer is turned off. ROM is referred to as being nonvolatile, whereas RAM is volatile.
Most personal computers contain a small amount of ROM that stores critical programs such as the program that boots the computer. In addition, ROMs are used extensively in calculators and peripheral devices such as laser printers, whose fontsare often stored in ROMs.
A variation of a ROM is a PROM (programmable read-only memory). PROMs are manufactured as blank chips on which data can be written with a special device called a PROM programmer .
Short for RAID on motherboard, a memory system in which every component of the RAID subsystem is placed directly on the motherboard. A ROMB system is advantageous because the RAID component of the system is kept separate from the PCI buses so that the PCI buses do not interfere with RAID traffic and cause bottlenecking. […]
Short for run of network, in Online Advertising RON is a type of online ad buying campaign where the banner, image, media or text ads can appear on any Web site within an ad network.
Short for remote outdoor router, a device that connects a remote location in a WLAN to either another remote location with an ROR for a point-to-point connection or to the system’s COR for point-to-multipoint connections. The ROR can connect to only one other unit at one time – either another ROR or the COR. The […]
Short for run of site, in Online Advertising ROS is a type of online ad buying campaign where the banner, image, or media ad can appear on any page within the targeted Web site.
Acronym for rolling on the floor laughing. ROTFL is commonly used in newsgroups, chat rooms, instant messaging, text messaging, SMS, e-mail and other real time text-based communications.