Software Programs which enable blind or visually impaired users to read the text which is displayed on the computer screen.
They do this by the means of Speech Synthesizer or Refreshable Braille Display.
Role: It acts as a mediator between Operating System, Application Software and User.
Speech Synthesizer: computerized device which has the ability of producing artificial human voice.
Refreshable Braille Display: electro-mechanical device which provides information by lowering and raising different combinations of pins electronically.
User sends commands by Keyboard or Braille Display to instruct Speech Synthesizer what to read and when to read the displayed content.
Find String of text on the screen.
Announce the current location of the computer's cursor.
Locating text which is displayed in a certain color.
Reading highlighted texts.
Reading cells of a spreadsheet.
Screen Readers support multiple languages. Price Range lays around $1200.
Question 1: Screen Readers can be used by:
A) Blind Users
B) Visually Impaired Users
C) Clear-Sighted User
D) All of the Above
Answer: D) All of the Above
Question 2: Screen Reader acts as a mediator between:
A) Operating System and User
B) Application Software and User
C) None of these
D) Both (a) and (b)
Answer: D) Both (a) and (b)
Question 3: Which device can be useful for a user who is both blind and deaf
A)Speech Synthesizer
B) Braille Display
C) Both of these
D) None of these
Answer: B) Braille Display
Question 4: User can send command to Speech Synthesizer using:
A) Keyboard
B) Braille Display
C) Both of these
D) None of these
Answer: C) Both of these
Question 5: Which of the following is not a Screen Reader
A) BCakeTalking
B) iMAX
C) Dolphin Guide
D) None of these
Answer: D) None of these
Question 6: Clear-Sighted people cannot use Screen Readers:
A) True
B) False
C) Maybe
Answer: B) False
Question 7: A Braille Display can show up to how many characters:
A) 70
B) 80
C) 90
D) 100
Answer: B) 80
Question 8: What are the functions a Screen Reader can perform:
A) Finding a particular string on the screen.
B) Reading highlighted text.
C) Locating text which is displayed in a certain color.
D) All of these
Answer: D) All of these
Question 9: Is it possible for Screen Readers to have multiple languages:
A) Yes
B) No
C) Maybe
D) None of these
Answer: A) Yes
Question 10: Screen readers are available for which of the following platforms:
A) Linux
B) Windows
C) Mac
D) All of these
Answer: D) All of these