A low memory _____________ setting will keep applications that try to utilize too much memory under control.
Fill in the blank(s) with the appropriate word(s).
buffer
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________ is an I/O-performance-enhancement technique—it reduces the number of I/O operations by combining smaller outputs together in memory; the number of physical I/O operations is much smaller than the number of I/O requests issued by the program.
a. Aggregating b. Accumulating c. Amassing d. Buffering
When you use a browser to access databases on the Web, you'll typically enter a query using a(n) ____ form.
A. database B. HTML C. XML D. spreadsheet
Create an application that will play a simple one-player card game. In this game, you get four random cards that have values in the range from 1 to 10 and are face down so their values hidden. As the game progresses, you can press a NewCard button and get a new card with its value shown. Use an icon and a label to display the card. Getting a new card will cost you one point from your total score. You can then choose to replace one of your four cards with the new card. To do so, implement the four cards as buttons with icons and use a button press to indicate which card you want to replace. When the card is replaced, use a text label to inform the player of the value of the card that was replaced. Make sure that only one card can be replaced. At any point, you can press a Stop button to sto
This application can really look nice with appropriate use of icons. The solution has an icon for the back of the card and one for each of the faces. It then uses the setIcon method for a JButton to change the image as needed. The solution uses getSource to determine which button was pressed, but it could be easily modified to check for an action string instead. The most complicated part of the application is deciding what to do for each click as there are a number of possible states that we can be in and we want to keep track of the score as the player deals out cards. One interesting thing to do is to analyze this game. Is it advantageous to deal a card? Once the card is dealt, should we replace one of our known or unknown cards with it? This game is simple enough that it can be analyzed, but complicated enough to make it interesting.
The bar across the top of a window that displays the program name is the:
A) Start bar B) title bar C) taskbar D) Command Bar