The stack pop operation

A) removes all items currently on the stack
B) extracts one element from the stack and returns it
C) removes from the stack the number of elements specified by its integer parameter
D) does not exist: There is no such stack operation


B) extracts one element from the stack and returns it

Computer Science & Information Technology

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

1. Each column in a table must have a name. 2. When you create a database table, you must specify a data type for each column. 3. The table row designated as the primary key must hold a unique value for each column. 4. The table column designated as the primary key must hold a unique value for each row.

Computer Science & Information Technology

A(n) ____________________ is a network of robot, or zombie, computers, which can harness their collective power to do considerable damage or send out huge amounts of junk e-mail.

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

Computer Science & Information Technology

When you ________ a file, you save a copy of a file on your desktop computer to the Office 365 server

A) check B) sync C) reverse D) match

Computer Science & Information Technology

________ refers to the difference between the darkest and lightest areas

A) Brightness B) Contrast C) Amplitude D) Depth

Computer Science & Information Technology