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

A \t is used for:

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

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

• one A
• many B
• three C
• zero 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

• 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

Which of the following activities are involved in data analysis?

• Data flow diagram A
• Decision Tables B
• Decision Trees C
• All D

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

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

The relationship can be:

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

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

_______________ 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

Object used to retrieve data from database is called:

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

Data type int contain bytes:

• 10 A
• 4 B
• 2 C
• 1 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

In hybrid distribution, what types of fragments are stored at only one site?

• Critical fragments A
• Non-critical fragments B
• Critical and non-critical fragments C
• Only large fragments D

The function clrscr ( ) is defined in

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