Computer - Tools used to process data according to procedures that have been formulated. The computer is a hardware device that is closely related to technology., Hand phone - Electronic telecommunication devices that have the ability to be carried anywhere and do not need to be connected to the network using cables., Speaker - Is an electronic device that functions to produce and also amplify the volume of sound., Keyboard - A board that consists of buttons like letters of the alphabet to type in sentences, as well as the numbers 1 to 9, and also 0. As well as other special symbols on a computer., Mouse - A pointer used to enter data and commands into a computer other than the keyboard.,

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