The process of ensuring that web pages coded with new or advanced techniques still are usable in browsers that do not offer support for the newer features is called:

a. validation
b. valid enhancement
c. progressive enhancement
d. optimization

c

Computer Science & Information Technology

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An instance of _________ describes the errors caused by your program and external circumstances. These errors can be caught and handled by your program.

a. RuntimeException b. Exception c. Error d. Throwable e. NumberFormatException

Computer Science & Information Technology

Explain why hardware incompatibility between PCs increases the support costs.

What will be an ideal response?

Computer Science & Information Technology