Module D Exercise > Modd_qb09_eng

Chapter 9 Catering for the Information Needs of Different Users

Chapter 9

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Catering for the Information Needs of Different Users

Multiple Choice Questions (U06C09L01Q001) Which of the following devices can help visually impaired people to read from the computer? (1) Mouse (2) Screen Reader Software (3) Refreshable Braille Display (4) Screen Magnification Software A. (1) and (2) only B. (2) and (3) only C. (1), (2) and (3) only D. (2), (3) and (4) only Answer D (U06C09L01Q002) What kind of technology is adopted in Screen Reader Software? A. Nano Technology B. Biotechnology C. Voice Output Technology D. VRDS Technology Answer C (U06C09L01Q003) What has been published by the World Wide Web Consortium (W3C) to encourage web developers to build accessible web pages? A. Web Accessibility Initiative B. Internet Accessibility Initiative C. Web Authoring Agreement D. Internet Authentication Agreement Answer A Computer & Information Technology for HKCEE (Module D)

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Chapter 9 Catering for the Information Needs of Different Users

Question Bank

(U06C09L01Q004) Which of the following statements are the guidelines proposed by the Web Accessibility Initiative? (1) The links on a web page should provide full keyboard access. (2) A web page should include functional elements other than plain HTML as many as possible. (3) Relative font sizes should be used instead of absolute font sizes. A. (1) only B. (1) and (3) only C. (2) and (3) only D. (1), (2) and (3) Answer B (U06C09L01Q005) Which of the following statements about a Refreshable Braille Display are correct? (1) It produces Braille output which can be read by visually impaired people. (2) It is connected to the computer by a serial cable. (3) It reads many lines of text at a time. A. (1) only B. (1) and (2) only C. (2) and (3) only D. (1), (2) and (3) Answer B

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Chapter 9 Catering for the Information Needs of Different Users

Question Bank

Conventional Questions (U06C09L02Q001) The figure below shows an electronic device which can transmit web information to visually impaired people.

(a) (i) Name the electronic device shown. (1 mark) (ii) State the working principle of the above device. (2 marks) (iii) Name another device which can also transmit web information to visually impaired people. State its working principle. (2 marks) Amy wants to pay bill through a bank web site which is designed according to the Web Accessibility Initiative. After reaching the main page of the site, she finds that the Flash movies cannot be displayed properly. She decides to read the web site through text only version. (b) (i) State the main role of Web Accessibility Initiative. (1 mark) (ii) State TWO functions of text only version of web site. (2 marks) (iii) Suggest an alternative method so that Amy can read the Flash movies normally. (1 marks) (iv) State TWO precautions when paying bill through a bank web site. (2 marks) Amy finds that the images on the web site provide “alternative text attribute”. (c) What is the meaning of “alternative text attribute”? State its function. (2 marks) Amy said, “I cannot access the bank web site if the mouse is not functioning.” (d) Comment on Amy’s statement. (2 marks)

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Chapter 9 Catering for the Information Needs of Different Users

Question Bank

Answers (a) (i) Refreshable Braille Display (1) (ii) Refreshable Braille Display is connected to a computer through serial cable (1) and produces Braille output that can be read by the visually impaired people. (1) (iii) Screen reader: It produces synthesized voice output for text displayed on the computer screen and for the keystrokes entered on the keyboard. OR Screen Magnification Software: It enlarges the information on the screen by a pre-determined factor. (Any 1 × 2) (b) (i) It publishes guidelines on publishing web sites that can be accessed by everyone. (1) (ii) It can be correctly displayed by text-based browser. (1) The people with slow Internet connection can access the web site at a faster rate. (1) (iii) Install Flash plug-in. (1) (iv) Change the password regularly / Logout the account after paying bill / Ensure that the account is login through the official link provided by the bank (Any 2 × 1) (any reasonable answers) (c) It provides textual representation of the image. (1) People accessing the site in non-graphic way can still understand the meaning of the image. (1) (d) The statement is incorrect. (1) As the bank web site is written according to the Web Accessibility Initiative, Amy can access the links of the bank web site by controlling the keyboard. (1)

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