Ratsupport.com's Vocabulary Database

Acronym Term Definition Comment Picture
ROM Read-Only Memory Computer hardware that stores programs or data that cannot be added to, modified, or deleted. ROM does not require power to maintain its contents, and is often used to save instructions that enable the computer's operating system to communicate with other  
Mother Board Mother Board A motherboard is one of the most essential parts of a computer system. It holds together many of the crucial components of a computer, including the central processing unit (CPU), memory and connectors for input and output devices.  
USB Universal Serial Bus Universal Serial Bus, is an industry standard developed in the mid-1990s that defines the cables, connectors and communications protocols used in a bus for connection, communication, and power supply between computers and electronic devices.  
BUS BUS In computer architecture, a bus (related to the Latin "omnibus", meaning "for all") is a communication system that transfers data between components inside a computer, or between computers.  
boot loader boot loader An operating system program responsible for managing the process of loading the OS during the boot.  
boot record boot record The first sector of a floppy disk or hard drive volume; it contains information about the disk or volume. On a hard drive, if the boot record is in the active partition, then it can be used to boot the OS. Also called boot sector  
booting booting The process of starting up a computer and loading an operating system.  
CMOS Complementary metal-oxide semiconductor Typically refers to a battery-powered memory chip in your computer that stores startup information. Your computer's basic input/output system (BIOS) uses this information when starting your computer.  
CMOS Complementary metal-oxide semiconductor Typically refers to a battery-powered memory chip in your computer that stores startup information. Your computer's basic input/output system (BIOS) uses this information when starting your computer.  
BIOS basic input/output system The program a personal computer's microprocessor uses to get the computer system started after you turn it on. It also manages data flow between the computer's operating system and attached devices such as the hard disk, video adapter, keyboard, mouse and  
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