12th Class ICS Computer Science Online MCQ Test for (Data Base Process)

Relationship are

• uni-directional A
• bi-directional B
• tri-directional C
• none of these D

• mendatory A
• optional B
• may be many C
• none of theses D

An advantage of partitioning is:

• Efficiency A
• Extra space B
• Reliabilty C
• Accuracy D

In an E-R diagram, a rectangle represents:

• Entity A
• Attributes B
• Relationship C
• None D

Customers,cars and parts are examples of:

• Entities A
• Attributes B
• Cardinals C
• Relashionships D

Every relation must have:

• Primary key A
• Candidate key B
• Secondary key C
• All of these D

An entity related to itself in an ERD model refers to

• recursive relationship A
• one-to-many relationship B
• many to many relationship C
• on to one relationship D

An attribute is also known as:

• Table A
• Field B
• Row C
• Relation D

-------------------- defines the nature of the relationship

• cardinality A
• entities B
• modality C
• none of these D

Getch stands for:

• Go character A
• Give character B
• Get character C
• All of these D

The output of the statement print ("%2f', 11.4519), is

• 11.4519 A
• 11.45 B
• 11.51 C
• 11 D

Which of the following escape sequence is used for beep

• /a A
• /b B
• /t C
• /n D

The number of variables that can be used in printf ( ) function are

• one A
• many B
• three C
• zero D

Local variables are also called:

• Automatic variables A
• Global variables B
• Grid Variables C
• None of these D

Which of the following can be used as flag value

• + A
• # B
• - C
• all D

Conditional operator is also called:

• True operator A
• Ternary-operator B
• Truth operator C
• All of these D

Organizing the database in computer disk storage is done in:

• Logical design A
• Physical design B
• Analysis C
• Implimentation D