Supervisors' responsibilities include operational matters.
Answer the following statement true (T) or false (F)
True
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As preparation for the following exercises, you will gather some baseline information about the speed, accuracy and satisfaction of four able-bodied users as they carry out some common tasks on an e-commerce site. Choose one of the major e-commerce sites that sells books. You will use this site for all user testing that you perform.
a. Prepare an informed content document. See Chapter 8 for tips on preparing it. b. Prepare a written introductory orientation script. In it, mention that you are gathering information on how an able-bodied person carries out several common activities on an e-commerce site. See Chapter 8 for a discussion of the important points to make in this script. c. Prepare a short pre-test questionnaire that asses the following: Familiarity with Web browsing. Familiarity with buying merchandise online. Familiarity with the particular site you’re testing (optional) any disabilities the user might have d. Use the following procedure to test the users: i. Configure the computer to have a Web browser open and displaying the home page of the site. Record the following measures: Time to complete the task Number of mistyped characters Number of pages visited Number of positive comments Number of negative comments ii. Here are the test scenarios: Find the search box. User the site to find the author of War and Peace. Find the cheapest edition of War and Peace that the site sells. Place one copy of the cheapest edition into the shopping cart. e. Write up the results. Give a summary of the responses to the pre-test questionnaire. For each task, create a table showing the measures for each user. f. Create a summary table that gives the average measures for each of the tasks. Before completing any of exercises 20-24, complete exercise 19 to gather some baseline information about able-bodied users.
Which of the following statements is false?
a. The notion of structured programming became almost synonymous with “go-to elimination.” b. Although Python has a goto statement, you should avoid it to minimize errors. c. Bohm and Jacopini demonstrated that all programs could be written using three forms of control—namely, sequential execution, the selection statement and the iteration statement. d. Python statements execute one after the other “in sequence,” unless directed otherwise.
How do the instruction encodings of ARM processors and MIPS processors differ?
What will be an ideal response?
Which of the following can be used to compare two algorithms?
a) growth rates of the two algorithms b) implementations of the two algorithms c) test data used to test programs which implement the two algorithms d) computers on which programs which implement the two algorithms are run