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

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

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

Which of the following activities are involved in data analysis?

• Data flow diagram A
• Decision Tables B
• Decision Trees C
• All D

Which of the following is a valid format specifier

• %10d A
• %7.2f B
• %-7f C
• all D

The function clrscr ( ) is defined in

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

Which of the following is used to describe the characteristics of an object?

• Attribute A
• Relationship B
• Cardinality C
• Modality D

Object used to retrieve data from database is called:

• Forms A
• Repons B
• Queries C
• Tables D

Local variables are also called:

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

A file is stored in:

• RAM A
• ROM B
• Cache C
• Hard disk D

An attribute is also known as:

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

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

Escape sequence starts with the character

• % A
• / B
• # C
• none D

Which of the following is used to associate entities with one another?

• Entity A
• Attribute B
• Identifier C
• Relationship D

A person's name, birthday and social security number are examples of:

• Attributes A
• Entities B
• Relationships C
• Descriptors D

Customers,cars and parts are examples of:

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

Relationship are

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

Which is used to display yes/no values:

• Check box A
• Option buttons B
• Both a & b C
• None of these D

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

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