to boot up - to start a computer by loading an operating system or program, to upgrade - an occurrence in which one thing is replaced by something better/newer, printout - printed document, pop-up - small window, usually containing an advertisement,that appears on your computer screen, patch - a general software security update intended to cover vulnerabilities that have been discovered, back-up - extra copy of a file, to sign in/ log in - connect to a computer using a username and password, to crash - when system suddenly stops working,

Cybersecurity

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