NASA's ____ is an example of a virtual world.

A. CoLab
B. Dogpile
C. wiki
D. podcast


Answer: A

Computer Science & Information Technology

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____ allow you to limit the user to only one choice from a group of two or more related but mutually exclusive choices.

A. Check boxes B. Radio buttons C. Text boxes D. Labels

Computer Science & Information Technology

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

1. A pyramid structure should be used if the analyst believes the interviewee needs to warm up to the topic. 2. A funnel-shaped question sequence is useful when the interviewee feels emotionally about the topic and needs freedom to express those emotions. 3. The diamond structure has the advantage of taking less interviewer time. 4. The longer you wait to write up your interview, the more suspect the quality of the data becomes.

Computer Science & Information Technology

A Label control displays the text specified by the property.

a) Caption b) Data c) Text d) Name

Computer Science & Information Technology

Why is it more important today than decades ago to evaluate the performance of software?

a) Hardware is so fast that the real limiting factor in a computer is the software. b) Hardware is becoming increasingly similar, even between systems constructed by different vendors, so the software affects performance the most. c) Software is becoming increasingly complex so it is harder for programmers to determine if their code is efficient by just looking at the code. d) Software is becoming increasingly complex and often hides the hardware from the user, creating a virtual machine. Cumbersome software can cause a system to execute slowly, even with the most powerful hardware.

Computer Science & Information Technology