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

The relationship can be:

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

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

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

Which of the following is a valid format specifier

• %10d A
• %7.2f B
• %-7f C
• all 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

_______________ refers to a method of database distribution in which different portions of database reside at different nodes in the network.

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

Which of the following escape sequence is used for beep

• /a A
• /b B
• /t C
• /n D

Format specifier starts with the symbol

• # A
• % B
• * C
• all D

The function clrscr ( ) is defined in

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

Escape sequence starts with the character

• % A
• / B
• # C
• none D

Which of the following is basic data distribution strategy?

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

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

An disadvantage of partitioning is:

• Complexity A
• Extra space and update time B
• Inconsistent access speed C
• All D

An attribute is also known as:

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

Which of the following represents the entities?

• Teacher A
• Student B
• Aero plane C
• All D

Which of the following keys us not unique:

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

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

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