ssd4所有quiz选择题答案Word格式文档下载.docx

1、 （b） One （c） Five （d） Three Correct answer is （d） See section 1.1.3 of the course notes.- 2. Which of the following is a description of Fittss Law? （a） The time it takes to point to a target is a constant: it takes the same amount of time to point to one target as it does to any other target. （b） Th

2、e time it takes to point to a target is directly related to the distance to that target. （c） The action of clicking a button takes 200 msec. （d） When calculating the time it takes to point to a target, the size of the target is not important. Correct answer is （b） 3. Which of the following is an imp

3、lication that the characteristics of the human fovea have for the design of visual interfaces? （a） It is important to design around the eyes blind spot, which makes it difficult to see parts of the screen. （b） Be careful when using blinking text or animations because they naturally draw the users at

4、tention. （c） Because the fovea encompasses only 2 degrees of visual angle, all text should be concentrated in a small area of the screen. （d） There are no design implications. - 4.According to the information processing model of human cognitive activity, which of the following happens to information

5、 from the outside world immediately after it is perceived by the perceptual processor? （a） The cognitive processor determines that an action needs to be taken. （b） The motor processor completes an action based on the information. （c） It is deposited into working memory. （d） It is deposited into long

6、-term memory. Correct answer is （c） 5. Feedback from users of the software systems we build is useful, and even necessary. This is because such feedback （a） pleases users by showing that we are interested in their opinion. （b） helps us select the best of our users. （c） helps us assign blame among th

7、e programmers in our team. （d） is the only way to discover unforeseen shortcomings of our software. See section 1.1.1 of the course notes. 6. Software companies often release so-called beta versions of software. A beta version of a program is usually given away to a selected group of users who agree

8、 to test and comment on the program before it is released to the wider market. A company that releases beta versions is thus engaging in （a） iterative design. （b） leverage of affordance. （c） word-of-mouth advertising. （d） aggressive marketing. Correct answer is （a） 7. The event-redraw loop is （a） an

9、 affordance commonly found in drawing programs. （b） a programming construct used in redrawing event objects on the screen （e.g., a meeting in a scheduling program）. （c） a built-in Java method invoked when you throw an exception for a visible icon. （d） the main programming construct of interactive pr

10、ograms. An interactive program listens for events and reacts to them. The reaction usually involves some redrawing of the screen. Because a responsive program needs to listen for events constantly, even while it does other things, this event-redraw loop has to be the main construct of the program in

11、to which all other functions are incorporated. See section 1.1.2 of the course notes. 8. When, on your computer screen, you drag the image of a folder to a different window, you are I.directly manipulating the bits of the disk file.II.manipulating an image that represents the bits of the disk file.I

12、II.generating mouse events that cause the windows interface program to redraw the image of the folder continuously, in different locations, as it appears to move. （a） III only. （b） II and III only. （c） II only. （d） I only. Correct answer is （b） See section 1.1.2 of the course notes. 9.Your supervisor has requested that you use a toolkit to build a fancy new user interface, and she has given you the following reasons to do so （besides enticing you with a promise of a pay raise）:I.Toolkits have widgets that allow you to generate prototypes rapi