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Unit 5

Unit 5. Learning objectives. To be able to describe input devices To identify different keys on a keyboard To understand basic mouse actions To understand the use of speech recognition systems. Input device? Output device?. Describing functions. For + gerund

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Unit 5

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  1. Unit 5

  2. Learning objectives • To be able to describe input devices • To identify different keys on a keyboard • To understand basic mouse actions • To understand the use of speech recognition systems

  3. Input device? Output device?

  4. Describing functions • For + gerund • This is a device for controllingthe cursor and selecting items on the screen. • Used + to + infinitive • It’s used to control… • Relative pronoun + verb • This is a device which controls… • Relative pronoun + used + to + infinitive • This is a device which/that is used to control… • Work by + gerund • It works by detecting light from the computer screen.

  5. Describing features • An optical mouse has an optical sensor instead of a ball underneath. • It usually features two buttons and a wheel. • You can connect it to a USB port • A wireless mouse works/operates without cables. • It allows the user to answer multiple-choice questions and…

  6. Take-home assignmentII • Unit 6 page 27 • Read the text and answer the questions (C 1-6) • On a piece of paper • Name, student ID, answers • Write complete sentences • Hand it in to 呂豪笙 next week before the start of the class

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