Identify the types of contrast in Figure 5-22.
What will be an ideal response?
There is contrast in font size and in font emphasis (bold vs. normal text). This is a sufficient answer, but some students may explore the fact that these four principles are related by noting that there is a contrast in alignment, as the chapter headings have an alignment that’s different from the section headings.
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The second expression appearing in the header of a for loop is the _____________, which is a Boolean expression that determines whether the loop will repeat.
a. test expression b. update expression c. initialization expression d. control expression
Answer the following statements true (T) or false (F)
1. Perception is the mental processes of perception, memory, judgment and reasoning. 2. An event is an observable occurrence. 3. Network-level QoS is concerned with the low-level network parameters such as service coverage, bandwidth, delay, throughput, and packet loss. 4. User demographics, usability, cost, content, and media quality are all key contributing factors to producing a good QoE. 5. The mean opinion score (MOS) is a standard metric for QoE.