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

_______________ 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 keys us not unique:

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

Relationship are

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

Format specifier starts with the symbol

• # A
• % B
• * C
• all D

A file is stored in:

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

Which key does not have uniqueness property?

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

Customers,cars and parts are examples of:

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

Types of translators are:

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

Conditional operator is also called:

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

An index may be created on:

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

Which of the following is a valid format specifier

• %10d A
• %7.2f B
• %-7f 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

Getch stands for:

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

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

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

Which of the following represents the entities?

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