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., WINDOWS - Popular operating system made by Microsoft, ANDROID - Operating system usually found in mobile phones, INTERFACE - The way in which a user interacts with the computer, GUI - Graphical User Interface, CLI - Command line interface, RAM - Volatile memory that is constantly being written to and read from, CPU - Sometimes referred to as the brains of the computer, MULTITASKING - The ability for a computer to run two programs at the same time, SCHEDULING - The job of the CPU working out when to swap processes , BUFFERING - A temporary area of the computer memory used to store data for running processes ,

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