Nadheera runs a food take-away service. A company called "Let's Just Eat" signs her up to be a supplier on their mobile app that allows people to order food and have it delivered to their homes.
Who is the end user of the mobile app?
N5CS: Database Design and Development Test (SCHOLAR)
Quiz
•
Computers
•
10th Grade
•
Medium
Calum Gordon
Used 2+ times
FREE Resource
28 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nadheera runs a food take-away service. A company called "Let's Just Eat" signs her up to be a supplier on their mobile app that allows people to order food and have it delivered to their homes.
Who is the end user of the mobile app?
People ordering food using the app.
Nadheera and her take-away service.
The "Lets Just Eat" company.
The driver that delivers the food.
Answer explanation
The end user of the mobile app is the people ordering food using the app, as they are the ones utilizing the service to order and receive food.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the term functional requirements mean when creating a database system?
A list of the hardware a system should run on.
Performance requirements for the system.
A definition of exactly what the system should do.
A specific instruction for the structure of the database.
Answer explanation
Functional requirements in creating a database system refer to a definition of exactly what the system should do, outlining its specific functionalities.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an entity in a relational database model?
How two things are related to each other.
A form used with a database.
A person, object or thing we store data about.
A definition of the attributes of a database.
Answer explanation
An entity in a relational database model refers to a person, object, or thing we store data about, making it the correct choice.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Live Core operate a search engine for web sites. They store the IP address of each user, the words they used in a search, and any link the user clicked on in the search results. These are stored as columns ipaddress, keyword and openedlink in a database.
What do we call ipaddress, keyword and openedlink in the database?
Entities.
Attributes.
Relationships.
Calculated values.
Answer explanation
Attributes are the correct term for ipaddress, keyword, and openedlink in the database as they describe the characteristics of the entities being stored.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An attribute in a database holds values that are either true or false. What data type should be used for this attribute?
Text.
Number.
Boolean.
Date/Time.
Answer explanation
Boolean data type should be used for an attribute in a database that holds values that are either true or false.
6.
CLASSIFICATION QUESTION
3 mins • 1 pt
What is the most appropriate data type for each of the attributes in this entity?
Groups:
(a) Text
,
(b) Number
visitorname
telephonenumber
appointmentid
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A presence check in a database system:
ensures that a user is present to operate the system.
requires that a value is entered for an attribute.
checks that there are two entities associated with a relationship.
checks that the values entered for an attribute are only those allowed.
Answer explanation
A presence check in a database system requires that a value is entered for an attribute, ensuring data integrity and completeness.
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