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

All of the following are components of physical database design EXCEPT:

• Data volume and usage anylisis A
• Data distribution strategy B
• File organization C
• Normalize the relations D

Customers,cars and parts are examples of:

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

Which is used to display yes/no values:

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

Types of translators are:

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

An attribute is also known as:

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

Which of the following keys us not unique:

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

Conditional operator is alternative of:

• If A
• If-else B
• Nested if-else 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

Which of the following is a valid format specifier

• %10d A
• %7.2f B
• %-7f C
• all D

Which of the following key does not hold uniqueness property ?

• candidate key A
• foreign 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 number of variables that can be used in printf ( ) function are

• one A
• many B
• three C
• zero D

Conditional operator is also called:

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

Data type int contain bytes:

• 10 A
• 4 B
• 2 C
• 1 D

• mendatory A
• optional B
• may be many C
• none of theses 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 escape sequence is used for beep

• /a A
• /b B
• /t C
• /n D