The Internet has affected many aspects of our society. What are the most important benefits of the Internet, and what problems has it created?
What will be an ideal response?
This might be a lively discussion. Students should be able to identify many of the enormous opportunities — and problems — that the Internet creates. The benefits of the Internet are clear: never in the history of mankind has a single instrument of communication had such a tremendous impact in such a short period of time. The Internet is a unique combination of characteristics. Because it knows no national boundaries, the Internet is global, difficult to control, and provides an unprecedented channel for the exchange of information among people of all races and nationalities.
On the other hand, many people are greatly concerned about issues such as individual privacy, security of vital information, free speech concerns, parental control of unsuitable material, and the existence of what some call the “digital divide,” which refers to inequitable access to technology and information based on socio-economic issues.
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Answer the following statements true (T) or false (F)
1. An iteration structure is always needed to process a menu selection made by a user. 2. An If-Then-Else statement can be used as one way to process a user's menu selection. 3. The user's menu selection can be validated using an input validation loop immediately after the input statements. 4. It is never possible to give a user a chance to make more than one selection without re-running the whole program.
The purpose for array initialization is:
A. to provide default values so that data manipulation can proceed without null errors. B. used when you need to keep all values in the array the same through program execution. C. not needed as C++ automatically initializes values upon array creation. D. helpful when declaring the data type for the array.
The ____ tools are the most basic tools available for making selections in Photoshop.
A. Graphic Selection B. Lasso C. Marquee D. Select
A CSV file has no newline characters
Indicate whether the statement is true or false