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

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

Which key does not have uniqueness property?

• Candidate A
• Foreign key B
• Primary key C
• Secondary key D

Conditional operator is alternative of:

• If A
• If-else B
• Nested if-else C
• None of these D

Organizing the database in computer disk storage is done in:

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

An attribute is also known as:

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

Which of the following are ingredients of data modeling?

• Entities A
• Attributes B
• Relationship C
• All D

Which of the following is NOT included in the definition of an entity?

• Person A
• Object B
• Concept C
• Action D

The relationship can be:

• One-to-one A
• One-to-many B
• Many-to-many C
• All D

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

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

In an E-R diagram, a rectangle represents:

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

Which of the following keys us not unique:

• Candidate key A
• Forein key B
• Primary key C
• Secondary key D

In a loop semicolon is placed at the end of condition:

• While A
• For B
• Do-while C
• None of these D

The function clrscr ( ) is defined in

• stdio.h A
• math.h B
• canio.h C
• graphic.h D

In hybrid distribution, what types of fragments are stored at only one site?

• Critical fragments A
• Non-critical fragments B
• Critical and non-critical fragments C
• Only large fragments D

Conditional operator is also called:

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

Escape sequence starts with the character

• % A
• / B
• # C
• none D

Getch stands for:

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