When assigning text to a string variable, you must begin and end the text with a(n) ________.
a) single-quote character (')
b) double-quote character (")
c) ampersand character (&)
d) dollar-sign character ($)
e) None of the above.
b) double-quote character (")
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A ____ is similar to a closing set of lines in a formal letter.
A. complimentary close B. salutation C. signature D. style
Briefly discuss the significance of each of the following systems mentioned in this chapter:
What will be an ideal response? a. MS-DOS b. CTSS c. Multics d. OS/360 e. TSS f. UNIX g. Macintosh
Referential integrity should be enforced in a database with related tables because it
A) helps ensure data is automatically updated. B) helps ensure invalid data is not entered into a table. C) makes the database easier to back up. D) makes the database easier to repair.
A file on your computer that websites use to store information about you is a _________
a. Cookie b. Browser c. Tab d. None of the above