MCQs

Q291: Which header file contains information about common mathematical functions?

• A) math.h
• B) maths.h
• C) stdo.h

Q292: The keyword _____ is used to specify two different choices with "if" statement.

• A) If
• B) Else
• C) Switch

Q293: An example of non-numerical data is _____?

• A) Bank balance
• B) Roll number
• C) Address

Q294: Interface used in DOS is called _____?

• A) Command-Line Interface (CLI)
• B) Graphical User Interface (GUI)
• C) Application Programming Interface (API)

Q295: Which of the following keys is not unique?

• A) Secondary key
• B) Primary key
• C) Foreign key

Q296: Which of the following is NOT a good primary key?

• A) Student ID number
• B) Zip code
• C) Serial security number

Q297: A virtual table that that is constructed from other tables is called _____?

• A) Tuple
• B) Table
• C) View

Q298: How many sheets (worksheets) are there in the Excel workbook by default?

• A) 2
• B) 3
• C) 4

Q299: A collection of related fields is called _____?

• A) Record
• B) File
• C) Character

Q300: The four numbers in an IP address is called?

• A) Octal
• B) Octets
• C) Bytes