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

Getch stands for:

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

Which of the following escape sequence is used for beep

• /a A
• /b B
• /t C
• /n 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
• One-to-one relationship D

Local variables are also called:

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

A technique for physically arranging the records of a file on secondary storage devices is called:

• Physical pointer A
• Retrieval program B
• File organization C
• Update program D

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

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

In ERD model, the relationship between two entities is represented by a

• diamond symbol A
• rectangular box B
• oval symbol C
• line D

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

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

In an E-R diagram, a rectangle represents:

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

_______________ refers to a method of database distribution in which one database contains data that are included in another database.

• Splitting A
• Partitioning B
• Replication C
• Dividing D

Which component of physical database design refers to the consistency of data?

• Indexes A
• Integrity constaint B
• File organization C
• Data distribution strategy D

A \t is used for:

• New line A
• Tab B
• Back space C
• None of these D

An advantage of partitioning is:

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

Object used to retrieve data from database is called:

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

Which of the following is basic data distribution strategy?

• Centralized A
• Partitioned B
• Replication C
• All D

Escape sequence starts with the character

• % A
• / B
• # C
• none D

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