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

Customers,cars and parts are examples of:

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

In a relational database a single piece of information is called:

• Table A
• Record B
• Entity C
• Attribute D

A person's name, birthday and social security number are examples of:

• Attributes A
• Entities B
• Relationships C
• Descriptors D

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

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

Which of the following are ingredients of data modeling?

• Entities A
• Attributes B
• Relationship C
• All D

Organizing the database in computer disk storage is done in:

• Logical design A
• Physical design B
• Analysis C
• Implimentation D

Every relation must have:

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

Getch stands for:

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

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

Conditional operator is also called:

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

A file is stored in:

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

Which of the following escape sequence is used for beep

• /a A
• /b B
• /t C
• /n D

An attribute is also known as:

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