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Acronym
Term
Definition
Comment
Picture
Hard Drive
Hard Drive
The primary computer storage device, which spins, reads and writes one or more fixed disk platters. The term "hard drive" and "hard disk" are used synonymously. Hard drives are the storage medium in desktop and laptop computers as well as all servers and
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.
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.
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
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.
boot loader
boot loader
An operating system program responsible for managing the process of loading the OS during the boot.
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.
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