tailieunhanh - Discovering Computers - Chapter 5: Input

Discovering Computers - Chapter 5: Input Define input, Describe different mouse types and how they work, Summarize how various pointing devices work, Explain how voice recognition works; Describe various input devices for PDAs, smart phones, and Tablet PCs. | Chapter 5 Input Chapter 5 Objectives Define input Explain how a digital camera works List the characteristics of a keyboard Describe uses of PC video cameras, Web cams, and video conferencing Describe different mouse types and how they work Discuss various scanners and reading devices and how they work Summarize how various pointing devices work Explain the types of terminals Explain how voice recognition works Summarize the various biometric devices Describe various input devices for PDAs, smart phones, and Tablet PCs Identify alternative input devices for physically challenged users Next What Is Input? What is input? Data or instructions entered into memory of computer Input device is any hardware component that allows users to enter data and instructions p. 234 and 236 Fig. 5-1 Next What Is Input? What are the two types of input? Data Instructions p. 234 Unprocessed text, numbers, images, audio, and video Programs Commands User responses Next The Keyboard How is the keyboard divided? Typing area Numeric keypad Function keys, special keys that issue commands p. 236 Fig. .

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