12th class Computer Science chapter 9 online mcq test with answers for ICS part 2 Computer Science chapter 9 (Elements of C)

ICS Part 2 Computer Science Chapter 9 Online Test

Sr. #	Questions	Answers Choice
1	The symbol '=' represents	Comparison operator Assignment operator Equal to operator None of these
2	Which of the following data type offers the highest precisions	Float Long int Long double Unsigned long unit
3	Which of the following is the valid character constant	A "B" "6" =
4	Variables are created in	Ram Rom Hard disk Cache
5	DBA Stands for	Database application Database accumulator Database administer Database administration
6	How many primary keys can a table have	One At least one but not more than two Between 1-5 No limit
7	Which of the following is not a good primary key	Social security number Order number Zip code STD ID number
8	An attribute that uniquely identify each row in a relation is called	Column Foreign Primary key Duplicate key
9	A category of data or information that describes an entity is called	Attribute Data item Record Tuple
10	A primary key that consists of more than one attribute is called a	Foreign key Composite key Multi-valued key Global key