1) Brain of the computer system where calculations and decisions are made. a) Processor b) RAM c) CPU 2) What is it? a) touchpad b) keyboard c) touch screen 3) Number of times a wave repeats a cycle in a one-second period; measured in cycles per second, or hertz. a) Amplitude b) Wave velocity c) Frequency 4) Specification that allows mobile phones, computers, and PDAs to be connected wirelessly over short ranges a) Wi-Fi b) Bluetooth c) USB 5) The hardware component that stores all of your digital content. a) Hardrive b) VPN c) Proccesor 6) A unit of data that is commonly made up of eight binary digits a) Byte b) Gigabyte c) Megabyte 7) A set of rules and guidelines for communicating data. a) Protocol b) HTML c) Code 8) A network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. a) VPN b) Firewall c) Internet 9) Characteristics or information, usually numerical, that are collected through observation. a) Data b) Protocol c) Coding 10) A hardware or software component that stores data so that future requests for that data can be served faster; the data stored in it. a) Phase shift b) Cache c) Data 11) A person who utilizes a computer or network service. a) costomer b) user c) client 12) Some of the .... devices are Visual Display Units (VDU), a Monitor, Printer, Plotters, Speakers etc. a) Computer b) Input c) Output 13) A string of characters used for authenticating a user on a computer system. a) Password b) login c) Code 14) An output hardware device that connects to a computer to generate sound. a) Speaker b) Microphone c) Webcam 15) An encrypted connection over the Internet from a device to a network. a) Wi-fi b) VPN c) Bluetooth

Computer devices

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