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Computer Literacy

Computer Literacy. Understanding Input devices. Review . Computer vocabulary Internal Components Power Supply Mainboard Memory (RAM/ROM) Disk Drives Sound/Video CPU/bios transistor Worksheet 1. Input Devices.

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Computer Literacy

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  1. Computer Literacy Understanding Input devices

  2. Review • Computer vocabulary • Internal Components • Power Supply • Mainboard • Memory (RAM/ROM) • Disk Drives • Sound/Video • CPU/bios • transistor • Worksheet 1

  3. Input Devices Any machine that feeds data into a computer. For example, a keyboard is an input device, whereas a display monitor is an output device. Input devices other than the keyboard are sometimes called alternate input devices.Mice, trackballs, and light pens are all alternate input devices. KEYBOARD MOUSE SCANNER CAMERA • Connections • USB • PS2 • SERIAL • PARALLEL • INTERNAL BUS

  4. Touchscreen Input Device The main advantage of touchscreen input: User Friendly - It is not as tiring as keyboard input.

  5. Worksheet 2 Draw a line connecting each device to its appropriate connector.

  6. Check your understanding. For each question, circle the best answer. 1.The most commonly used input device is the _____. keyboard mouse joystick scanner 2. An advantage to a touch screen is that _____. it is natural to touch things it is not as tiring as keyboard input it uses little screen space for each choice none of the above 3.GIGO stands for _____. Garbage Input, Garbage Output Gigabytes in, Gigabytes out Garbage In, Garbage Out none of the above 4.The raw facts are called _____. data programs commands user responses 5.VDT refers to _____. vital data transfer virtual data transfer video desk terminal video display terminal 6.The keys on the keyboard which may be programmed to do special tasks are the _____. arrow keys numeric keypad function keys navigation keys

  7. Fun fact #3 To err is human… To really foul up, takes a computer!

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