What is the difference between preincrementing and postincrementing a variable?
What will be an ideal response?
Preincrementing a variable causes it to be incremented by 1, and then the new value of the variable is used in the expression in which it appears. Postincrementing a vari- able causes the current value of the variable to be used in the expression in which it appears, and then the variable’s value is incremented by 1. Preincrementing and post- incrementing a variable have the same effect when the incrementing operation ap- pears in a statement by itself.
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Avoid using the number ____ in a filename.
A. 1 B. 2 C. 4 D. 7
“I’m sure they won’t mind if we start sending them the report on these oversized computer sheets. All this time we’ve been condensing it, retyping it, and sending it to our biggest accounts, but we just can’t now. We’re so understaffed, we don’t have the time,” says Otto Breth. “I’ll just write a comment here telling them how to respond to this report, and then we can send it out.”
a. What potential problems do you see in casually changing external output? List them. b. Discuss in a paragraph how internal and external output can differ in appearance and function.
____________________ is the process of verifying someone's identity by checking his or her username and password against a central user database.
Fill in the blank(s) with the appropriate word(s).
If a webpage is difficult to navigate or read, it is not as useful as a well-designed page.
Answer the following statement true (T) or false (F)