A comment line in the Code windows is indented and appears in the color ___.
A. red
B. green
C. blue
D. black
Answer: B
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Answer the following statements true (T) or false (F)
1) If a method’s arguments cause it to access an index of the string that is beyond its length, the program will retrieve whatever is in that memory location. 2) Concatenating two strings merges the two strings into another string. 3) In order to concatenate a string with another string you can use the Concat method. 4) Another way to concatenate a string is to use the ampersand (&). 5) The ToUpper and ToLower methods can be used to convert a string to all upper or lower case letters, respectively.
Write a script named ifthen that prompts the user with >> and reads a string of text from the user. If the user enters a nonnull string, the script displays You entered: followed by the string; otherwise it displays Where is your input?. Use an if...then...else control structure (Sobell, page 439) to imple- ment the two-way branch in the script. Use the test (Sobell, pages 435 and 1011) builtin to determine if the user enters a null string. What do you have to do to avoid getting an error message when you prompt with >>? (There are several ways to construct the test statement.)
What will be an ideal response?
In what ways does input validation improve the quality of data stored in a database?
What will be an ideal response?
When you link a worksheet to a Word document,:
A) an error message displays. B) the formulas remain as formulas. C) the cells with formulas display as blank cells in the Word document. D) the formulas automatically become values.