The device through which data and instructions entered in to a computer system:AHardwareBMemoryCInputDSoftwareAnswer: C. InputRead Explanation:The device through which data and instructions are entered into a computer system is called an input device. some common examples of input devices:Keyboard: Used to type text and commands.Mouse: Used to point and click on screen elements.Scanner: Used to convert images and documents into digital format.Microphone: Used to input audio.Webcam: Used to input video.Touchscreen: Allows direct interaction with the computer by touching the screen. Open explanation in App