Explain the importance of user accounts. What is the advantage of creating an account for each user of a computer? What is the role of the Administrator?
What will be an ideal response?
Creating a user account allows each computer user to customize his or her desktop and Start screen background, and access his or her own files and folders. An Administrator account is allowed full access to the computer, which includes access to all users' files and settings. An Administrator also oversees the installation and uninstallation of software.
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Answer the following statements true (T) or false (F)
1. In a window that is 640px wide by 480px high, the top right X, Y coordinates would be (0, 480). 2. To create a circle, you need to specify only the X and Y coordinates of the center point. 3. A polygon, created by the Polygon class is, by default, filled with the color black. 4. The following statement will draw the string "Welcome!" starting at the top left corner of the screen. ``` Text welcomeText = new Text(0, 0, "Welcome!"); ``` 5. To make a node half its original size, you pass the setScaleX method the value 2 and pass the setScaleY method the value 0.5.
Which of the following is an improvement of TLS over SSL?
A. requires less processing power B. uses a single hashing algorithm for all the data C. uses only asymmetric encryption D. adds a hashed message authentication code
__________ defines how computers, nodes, or other network devices are arranged and wired together within a network system.
Fill in the blank(s) with the appropriate word(s).
Why is it important for software developers to make use of measurement to guide their work?
What will be an ideal response?