Dictation system - Using a microphone, words will be dictated to the computer, then the software will recognise the words and turn them into text., Voice commands/voice control - A system searches for words and uses them to complete a task., Voice print - a user’s unique tone of voice is compared with the tone of voice previously recorded., Gesture - A type of non-contact communication, where a device, normally a camera, analyses body movement, Touch - A user will touch the screen to choose from a menu., Virtual Reality (VR) - User wears a headdress which projects images which represent specific data/programs to their eyes, Augmented Reality (AR) - Combines the graphics with the real world rather than immersing the user in an artificial, online world, Biometrics - Data measured from unique characteristics used to identify individuals., A network - is two or more computers linked together., Hubs - copy all data packs to all devices on the network but only the data will recognise and accept it., Switches - analyses each packet of data and sends it to the computer the packet has been addressed to only., Routers - stores the addresses of computers on the network and transfers data between devices., Servers - is a piece of computer hardware or software that provides functionality for other programs or devices known as clients., Gateways - joins together two networks that use the same base protocols, e.g., links LAN to LAN., Internet Service Provider (ISP) - is a company that provides an internet connection to businesses and households, usually for a monthly fee., Protocol - This tells the web servers which protocol to use when accessing a page on a website., Sub-domain - This is the name of your website, Top level domain - denotes with what kind of entity the organisation has registered the website (.com/.co.uk etc.)., Path - is a subdirectory to a specific web page., Wi-Fi - is the more common name for the 802.11 standards.,

Topic 2 - Digital devices, networks and connections

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