Assigning a subclass reference to a superclass variable is safe ________.

a. because the subclass object has an object of its superclass.
b. because the subclass object is an object of its superclass.
c. only when the superclass is abstract.
d. only when the superclass is concrete.


B

Computer Science & Information Technology

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Which of the following is not one of the six logical units of a computer?

a. Input unit. b. Output unit. c. Central processing unit. d. Printer.

Computer Science & Information Technology

The ________ is the center frame of the window and is where most of the work on the slides is viewed

A) pane B) tab C) panel D) workspace

Computer Science & Information Technology

Critical Thinking QuestionsCase 5-1Your Aunt Mabel, the owner of a private day care facility, asks you to update her business Web site by adding an easy-to-update holiday schedule to the site's home page. During lunch you brainstorm the best approach for this project with three classmates - Leah, Rob, and Michelle.Now that you have decided on the best approach for adding the holiday schedule information to Aunt Mabel's Web site home page, you are concerned about making sure that the holiday schedule information formatting is consistent with other text formatting at the site. After more brainstorming, you decide to ____.

a. use a preformatted style sheet to provide formatting consistency between the holiday schedule information and existing text on the home and other pages at the sitec. not to worry about the formatting; its just not that important for the holiday schedule information to be formatted consistently with existing textb. insert the formatting attributes manually as inline styles just to be safed. reformat all the site's pages to agree with your formatting choices for the holiday schedule information What will be an ideal response?

Computer Science & Information Technology

The server ____________________ is the reason for having a server.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology