To move left one word with the keyboard, press the ____ key(s).

A. HOME
B. OPTION-LEFT ARROW
C. COMMAND-OPTION-LEFT ARROW
D. COMMAND-LEFT ARROW


Answer: B

Computer Science & Information Technology

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In the previous chapter, Self-Test Question 16 described a class Person to represent a person. The class has instance variables for a person’s name, which is a string, and an integer age. These variables are name and age, respectively.

a. Write a default constructor for Person that sets name to the string "No name yet" and age to zero. b. Write a second constructor for Person that sets name to a given string and age to a given age. c. Write a static method createAdult() for Person that returns a special instance of this class. The instance represents a generic adult and has the name “An adult” and the age 21.

Computer Science & Information Technology

Based on the discussion in Section 10.4.2, give a precise de?nition of when an access path covers the use of projection, union, and set-di?erence operators.

What will be an ideal response?

Computer Science & Information Technology

HTML files are text files with an .html or .txt extension.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology

The biggest enemy of most printers is ____.

A. voltage spikes B. refilled ink cartridges C. printer paper dust D. paper jams

Computer Science & Information Technology