Briefly explain the roles of a computer user and a software professional.
What will be an ideal response?
Answers will vary. Computer users, often called end users, are the people who use computers to perform tasks or obtain information. This includes an accountant electronically preparing a client's taxes, an office worker using a word processing program to create a letter, a doctor updating a patient's electronic medical record, a parent emailing his or her child's teacher, a college student researching a topic online, a child playing a computer game, and a person shopping online.?Programmers, on the other hand, are computer professionals who write the programs that computers use. Other computer professionals include systems analysts, who design computer systems to be used within their companies; computer operations personnel, who are responsible for the day-to-day computer operations at a company, such as maintaining systems or troubleshooting user-related problems; and security specialists, who are responsible for securing the company computers and networks against hackers and other intruders. Please see the section "What Is a Computer?" for more information.
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Which of the following statements is true?
a. Strings can be used in a switch statement’s controlling expression and in its case labels. b. Strings can be used in a switch statement’s controlling expression but not in its case labels. c. Strings cannot be used in a switch statement’s controlling expression but can be used in its case labels. d. Strings cannot be used in a switch statement’s controlling expression and cannot be used in its case labels.
Subscript notation provides ____________ access to individual characters in a string.
a. write-only b. local c. read-only d. global
Match each item with the correct statement below.
A. The Ribbon component that contains a number of related commands. B. C. Shows where keyed text will appear. D. This command enlarges the window to its fullest size. E. Contains the commands used to create documents and format text and paragraphs. F. Used to find an appropriate word to substitute for another word. G. Provides a means of navigating through a document efficiently. H. I. Provides a preview of the document and options for printing. J. Displays nonprinting characters such as paragraph markers and spaces. K. Used to reverse the most recent action you have changed. L. M. Displays options for opening documents, creating new documents, and managing files. N. Provides a way to copy the format of one paragraph to another. O. Contains icons for frequently used commands such as Save, Undo, and Redo. P. The feature that automatically moves text to the next line when one line is full. Q. Feature on the status bar that is used to zoom in and out to view a document in a larger or smaller size. R. S. Appears when text is selected and contains frequently used formatting commands.
A(n) ____________________ color palette divides the color wheel into three sections, enabling you to select three colors that are spaced at an equal distance from each other on the color wheel.
Fill in the blank(s) with the appropriate word(s).