What is the purpose of the sizeof operator in C++?

A. There is no sizeof operator in C++.
B. To return the total number of bytes of the program.
C. To report if the system has enough memory for the data variables.
D. To report the number of bytes of storage reserved for a given variable or datatype.


D. To report the number of bytes of storage reserved for a given variable or datatype.

Computer Science & Information Technology

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You can arrange query results from a SELECT statement using the keyword(s) ____.

A. SORT B. SORT BY C. ORDER D. ORDER BY

Computer Science & Information Technology

Every record in a file should contain at least one key field.

a. true b. false

Computer Science & Information Technology

A file containing data or programs belonging to users is known as a(n) ____.

A. symbolic link B. ordinary file C. special file D. named pipe

Computer Science & Information Technology

An array element is a variable whose type is the array’s item-type.

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

Computer Science & Information Technology