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

Local variables are also called:

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

Conditional operator is alternative of:

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

Customers,cars and parts are examples of:

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

Data type int contain bytes:

• 10 A
• 4 B
• 2 C
• 1 D

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

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

Format specifier starts with the symbol

• # A
• % B
• * C
• all D

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

Object used to retrieve data from database is called:

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

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

• one A
• many B
• three C
• zero D

Which of the following is basic data distribution strategy?

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

An disadvantage of partitioning is:

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

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

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

Types of translators are:

• Compiler A
• Interpreter B
• Assembler C
• All of these D

Getch stands for:

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

Which of the following key does not hold uniqueness property ?

• candidate key A
• foreign key B
• primary key C
• Secondary key D

Relationship are

• uni-directional A
• bi-directional B
• tri-directional 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