Class-X-Solved Exercise:
Unit-6- Web Applications
(Working with Accessibility Options)
1. Fill in the blanks:
a. ________ technology helps users with disabilities to work on a computer.
Answer: Assistive
b. The ______ center is available in ______ panel.
Answer: Ease of , control
c. The _________ is designed to assist people that have difficulty using a keyboard or mouse.
Answer: Serial keys
d. _____ keys reduce repetitive strain of typing.
Answer: Sticky
e. _____ keys help people with learning disabilities.
Answer: Toggle
f. The ________ tool is for helping people with low eye sight.
Answer: Magnifier
g. The high contrast option is designed to assist people with _____ impairments.
Answer: Visual
2. Write T for true and F for false against the following statements.
a. Sticky keys allows the user to press and keep active a modify key until other key is pressed.
Answer: T
b. Sound sentry is designed to help users with hearing impairments.
Answer: T
c. On-screen keyboard can be displayed only when computer keyboard is not working.
Answer: F
d. Accessibility setting can be done through control panel.
Answer: T
e. Serial keys remove strain of repetitive typing.
Answer: F
3. Multiple choice questions. Tick the correct answer.
1. Keyboard shortcut to open ease of access center in windows is
a. windows orb+U key b. windows Orb+E key c. windows Orb+ C key
d. windows Orb+A key
Answer: Windows Orb+U key
2. Which of the following is not a toggle key?
a. Caps Lock b. Scroll Lock c. Num Lock d. Shift
Answer: Shift
3. Which of the following key is useful for people with problem in hand movement?
a. Serial keys b. Sticky keys c. Toggle keys d. Filter keys
Answer: Serial Keys
4. Which of the following accessibility tool is useful for people with visual impairement?
a. Magnifier b. On-screen keyboard c. Narrator d. Sticky keys
Answer: Magnifier
5. Which of the following is the keyboard shortcut to read the current page?
a. Insert+F2key b. Insert+F7key c. Insert+F8key d. Insert+F5key
Answer: Insert+F7 key
4. Short Answer Questions.
1. What is the use of accessibility option in windows operating environment?
Answer: Accessibility options are provided in control panel. They are used to customize the way a keyboard, display, or mouse function. Many of these features are useful for people with disabilities such as cognitive impairments, visual impairment, hearing impairment and motor impairment.
2. What is the use of Narrator?
Answer: Narrator, a basic screen reader, reads the content aloud as it is highlighted and describes the on-screen activity. It is useful for people with hearing impairment.
3. How are high contrast and Magnifier options useful for people with visual impairment?
Answer:
Magnifier: Magnifier, to magnify text and visuals for people with less eye sight.
High contrast: High contrast on screen to optimize visual displays or make them more clear.
4. How are serial keys different from Toggle keys?
Answer:
Toggle Keys: Toggle keys is an accessibility function which is designed for people who have cognitive disabilities. When toggle keys is turned on, computer produces a sound when the locking keys (caps lock, num lock, or scroll lock) are pressed. A high sound is emitted when the keys are switched on and a low sound is emitted when they are switched off.
Serial Keys: Serial keys is an accessibility feature that assists people that have difficulty using a keyboard or a mouse. They can use special devices such as sip, puff and breath switches to provide input to the computer through serial ports.
5. What do you understand by Mouse key? How are they useful?
Answer: Mouse keys lets you control the mouse pointer by using the numeric keypad on your keyboard. The keyboard shortcut to turn on Mouse keys is to press the ALT, left Shift, and NUM Lock keys.
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