scct 1023 (group a) 2-8-09

Today, my lecturer explains input devices and output devices. Actually I understood that input devices can define as a convert data and instructions into electronic form for input into the computer. In other words, it means delivery data into computer. For instance, scanner, keyboard, mouse and so on. In contrast, output devices can dispart in hardcopy and softcopy. I realize that output device is convert electronic data produced by the computer system and display them into a form that people can understand such as printer (hardcopy), storage devices, outputting sound, monitor (CRT/ LCD) and so on. In the end, she explains the way how to reduce the injury or discomfort while using the computer. For example, take breaks frequently and use adjustable chair.