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WorksheetsFDBS Lesson 1 Quiz (Quiz #1)
Total questions: 20
Worksheet time: 10mins
What is data referred to in its raw form?
(a)
Who creates data?
Only individuals
Individuals, businesses, and organizations
Only organizations
Only businesses
What is a database?
A collection of unrelated data
A type of software
A hardware component
A collection of related data
What does DBMS stand for?
(a)
Which of the following is a property of a DBMS?
Inaccessibility
Unstructured data
Limited user access
Completeness
What is the primary function of a DBMS?
To generate reports
To store unstructured data
To manage the database
To create hardware
What is the difference between data and information?
Data is processed; information is raw
There is no difference
Data is raw; information is processed
Data is structured; information is unstructured
What is a schema in database architecture?
A snapshot of data
A type of data processing
The blueprint of how data is organized
The physical storage of data
Which of the following is NOT a type of database schema?
Physical Database Schema
Logical Database Schema
View Database Schema
Data Processing Schema
What does indexing in databases help with?
Slowing down data retrieval
Speeding up data retrieval
Creating new databases
Storing unstructured data
What is a relational database?
A database that stores data in a tabular format
A database that only stores images
A database that stores data in a hierarchical format
A database that does not use tables
Which of the following is an example of a common DBMS?
Google Chrome
Adobe Photoshop
Microsoft Access
Microsoft Word
What is the role of a database instance?
To store the DBMS software
To manage user access
To provide a snapshot of the database at a moment in time
To define the schema
What is the main purpose of data processing?
To store data permanently
To delete unnecessary data
To extract meaning from raw data
To create new data
What is the significance of data in databases?
Data is only for technical users
Data complicates database management
Data is the heart of databases
Data is irrelevant
What is a characteristic of unstructured data?
It is always digital
It lacks a predefined format
It is easy to analyze
It is organized in tables
What is the primary focus of a logical database schema?
The logical structure of the data
The security of the database
How users interact with the database
How data is physically stored
Which of the following best describes a DBMS?
A programming language
Software that manages databases
A type of database
A hardware component
What is the main advantage of using a relational database?
It does not require a schema
It allows for data to be stored in rows and columns
It is only for small datasets
It is less complex
What is the role of a primary key in a database?
To uniquely identify a record
To link two tables
To store large amounts of data
To define the data type
