• To start up or reset a computer. During this process the computer accesses instructions from its ROM chip, performs self-checks, loads the operating system, and prepares for use by an operator. A startup may be initiated by turning on the power, pressing a button or switch, by hitting a specific key sequence, or through a program or routine that gives this command. Also called by various other names, including bootstrap, booting, booting up, and initial program load (1).
  • The starting of a computer by turning on its power. Many program failures are resolved through turning off a computer then turning it back on again. Also called cold boot, or hard boot.