DBC-IT105-Prelim Quiz

In hierarchy of database, which is the smallest unit of data, representing a binary value?

• Bit

• Byte

• Field

• Record

In hierarchy of database, which is the collection of related fields, representing a single entity, such as a

customer or product?

• Bit

• Byte

• Field

• Record

In the database hierarchy, which is the collection of related records?

• Field

• Record

• Table

• Database

Database minimizes data redundancy to a great extent.

• True

• False

Sharing of data is not possible using the database.

• True

• False

Which of the following DBMS organizes data in a tree-like hierarchy with parent-child relationships?

• Hierarchical DBMS

• Network DBMS

• Relational DBMS (RDBMS)

• Object-Oriented DBMS (OODBMS)

Which of the following DBMS organizes data into tables (relations) with rows (records) and columns (fields)?

• Hierarchical DBMS

• Network DBMS

• Relational DBMS (RDBMS)

• Object-Oriented DBMS (OODBMS)

Which of the following DBMS stores data in various formats like key-value pairs, documents, or

graphs?

• Hierarchical DBMS

• NoSQL DBMS

• Cloud DBMS

• In-Memory DBMS

Which of the following DBMS managed and hosted on cloud platforms, allowing scalable, on-demand

resources and services?

• Hierarchical DBMS

• NoSQL DBMS

• Cloud DBMS

• In-Memory DBMS

In early computing, file systems were used to store and manage data.

• True

• False