PERIPHERAL - A piece of hardware that connects to a computer, e.g. mouse, keyboard...etc., DRIVERS - Programs which manage the connections with peripherals., PROTOCOL - A set of rules for how messages are turned into data packets and sent across networks., CORRUPT - A computer file that is damaged., UTILITIES - Applications which allow the user to manage the computer., BACKUP - Allows the user to restore the system to a previous state., DEFRAGMENTATION - Rearranging the information on a disk so that files appear in a continuous sequence of clusters., FIREWALL - Used to filter data from trusted and untrusted networks., ENCRYPTION - Software which uses a secret code to make them unreadable to unauthorised users., VIRUSES - Computer code designed to damage a computer system.,

Operating Systems (part 2)

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