Input devices

Task 1: Match the pictures of input devices with their names a. Touch screen b. Tracker ball c. Barcode reader d. Digital camera e. Microphone f. Joy stick g. Graphic tablet h. Scanner Turning in Task 2: Work in pairs, try to list the uses of these devices Task 3: How voice input works. Label the steps in the process with these captions a. The computer compares the binary code with its stored vocabulary b. The user says a word into a microphone c. The screen displays the correct word d. The speech recognition board converts the signals into binary numbers e. The microphone converts the word from audio signals into eclectrical signals 1. b 2. e 3. d 4. a 5. c Task 4: Now listen to the recording to check your answer Reading Task 5: Each text describes one of these devices: trackerball, joystick, lightpen, scanner. Identify the device each text describes. Write your answer in the table Text Device 1 2 3 4 Joystick Trackerball Graphics tablet Scanner Task 6: Match each device (1-7) with its use (a-g) Device Use lightpen scanner digital camera mouse keyboard microphone joystick Draw picture onto a conputer screen Copy document Input sound Input text Select from a menu Move the cursor rapidly Produce photos without film Task 7: Describe the use of each device in a sentnece. Use these structures: ……. is/are used in …… ……. is/are used/or…… -ing Using ……. you can … You can use……to …… E.g: You can use a mouse to select from a menu Task 8: In groups, decide which input device is best for writing Task 9: Fill in the blanks in this comparison of digital cameras and film cameras 1. download 2. computer 3. mainpulate 4. print 5. web page 6. present display 7. expensive 8. film 9. take 10. film 11. better 12. scan Homework Answer these following questions 1. What is an input device? 2. What are the commoninput device? 3. What are they used for? . Task 1: Match the pictures of input devices with their names a. Touch screen b. Tracker ball c. Barcode reader. Turning in Task 2: Work in pairs, try to list the uses of these devices Task 3: How voice input works. Label the steps in the process with these captions