Use the ____ attribute to let the screen reader software know the association between table data and the cells below it or to its right.

A. adjacent
B. proximity
C. border
D. scope


Answer: D

Computer Science & Information Technology

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Answer the following statements true (T) or false (F)

1. The first programmable machine was a mechanical calculator designed by Charles Babbage. 2. Ada Byron is generally acknowledged as the world’s first programmer, due to her work on Babbage’s Analytical Engine. 3. An electromagnetic relay is a mechanical switch that can be used to control the flow of electricity through a wire. 4. Vacuum tubes, as they have no moving parts, enable the switching of electrical signals at speeds far exceeding those of relays. 5. Although they were large and expensive by today’s standards, early computers such as the MARK I and ENIAC were comparable in performance (memory capacity and processing speed) to modern desktop computers.

Computer Science & Information Technology

The two most basic characteristics of a brush are the diameter-the size of the brush-and the feather-how hard or soft the edge of the brush is.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology

Pixels are composed or made up of _____________.

a. pigment b. colorants c. light d. all of the above

Computer Science & Information Technology

I was once criticized for saying that Charles Babbage was the inventor of the computer. My critic argued that Babbage’s proposed computer was entirely mechanical (wheels, gears, and mechanical linkages) and that a real computer has to be electrical. Was my critic correct?

What will be an ideal response?

Computer Science & Information Technology