
Lớp 7
Authored by Lê Thủy
Computers
7th Grade
Used 1+ times

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47 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the stage of creating a list of requirements to evaluate the correctness of the project later?
Requirements
Planning
Review
Design
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a primary key in a database?
A key used for opening the database
A unique identifier for each record in a table
A key used for encryption
A type of encryption algorithm
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a foreign key in a database?
A key used for accessing remote databases
A key used for encryption
A column or set of columns in one table that references the primary key in another table
A key used for data encryption
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a database?
A collection of physical hardware components
A structured set of data stored in a computer system
A type of software application used for word processing
A network of interconnected computers
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a characteristic of the relational database model?
Data is stored in documents
Data is stored in tables
Data is stored in a hierarchical structure
Data is stored as objects
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the "Data Type" property define when creating a table in Access?
The size of the table
The color scheme of the table
The type of data that can be stored in a field
The alignment of text within the table
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following data types can store alphanumeric characters of varying lengths in Access?
Text
Date/Time
Number
Currency
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