Ôn Tập Cuối Học Kỳ 2 Tin Học

Choose the appropriate group of words to fill in the following sentence: The field of computer science is closely related to ...... and ...... electronic computers.

• development, usage

• usage, consumption

• development, consumption

• consumption, development

How reliable is information in the digital environment?

• Completely reliable because there is always someone responsible for specific information.

• Mainly fabricated information due to the creator's purpose.

• Most are rumors from one person to another, from one place to another.

• Reliability varies, from misinformation to reliable information.

The results of information searches using search engines can be presented in the form of:

• Video.

• Images.

• Text.

• Links.

Which of the following actions is a violation of ethics, law, and lack of culture?

• Taking a picture of my little cat.

• Taking pictures in the exhibition room at the museum, where there is a sign prohibiting photography.

• Taking pictures of street scenery.

• Taking a picture of the bookstore I often buy from to send to a friend.

What type of data is at address cell A3 in figure 1?

• Text type

• Number type

• Logic type

• String type

In the Scratch programming language, to run the program and see the results, which button do we choose?

• .

• .

• .

• .

The set of values of the number data type in the Scratch programming language is:

• Natural numbers.

• Integers and decimals.

• Integers.

• Decimals.

How many values does the set of logical data types consist of?

• Two values.

• Three values.

• Four values.

• Five values.

A constant is:

• A value that can change during program execution.

• A combination of variables, quotation marks, operators, and constants.

What is a constant?

• A value that can change during program execution.

• A combination of variables, quotes, operations, and functions to return a value of a certain data type.

• A value that does not change during program execution. Each constant belongs to a certain data type.

• A data type in the Scratch programming language.