In a three-tier architecture, the ____ tier contains the classes that display information and accept user input.

A. validation
B. presentation
C. business
D. persistence


Answer: B

Computer Science & Information Technology

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

1. Windows is not case sensitive, so you can type a file name all lowercase, all uppercase, or mixed case. 2. The first time a file is written to disk, its name, disk address, creation date, and other information are recorded in the directory. 3. When a disk is first formatted, a single root directory is created. 4. To simplify keeping track of files, a Windows user simply stores them all in the root directory. 5. Windows Explorer provides a view of the contents of one directory at a time.

Computer Science & Information Technology

Which of the following sensors are NOT found on smartphones?

A) Synchronizing B) Accelerometers C) Proximity D) GPS

Computer Science & Information Technology

What are constructors that contain at least one parameter called?

A. single constructor B. default constructor C. parameterized constructor D. optional constructor

Computer Science & Information Technology

(2 x 10-1) + (5 x 10-2) + (6 x 10-3) represents the number _________.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology