In a paragraph, explain why a data entry display should emphasize accuracy, whereas an inquiry display emphasizes how fast results may be displayed.
What will be an ideal response?
If an inquiry program obtains a bad number, an error message or the wrong record is displayed. The data on the files is still intact. However, on a data entry program, when the wrong data is input and goes undetected, it is stored on the files and makes the information incorrect on screens and reports that use the field.
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The _________ allows multiple threads to have simultaneous read-only access to an object protected by the lock.
A) ?barrier ? B) ?condition variable C) ?readers/writer lock ? D) ?mutex
When the call by reference using reference parameters technique is used for passing a variable's address to a function, what must be included in the call statement?
A. The & operator and the variable name. B. Just the variable name. C. The * operator and the variable name. D. The operator and the variable name.
Write a JavaFX application that displays a picture of a pine tree formed by drawing a triangle on top of a small rectangle that makes up the visible trunk. The tree should be green and have a gray trunk.
This project is a short application program that draws a pine tree. It uses four arrays of int values. One array holds the x-coordinates of the branches, the second holds the y-coordinates of the branches, and the last two hold the x- and y-coordinates of the trunk.
The ________ SmartArt graphic type shows steps that repeat continuously
Fill in the blank(s) with correct word