Trắc nghiệm 1 - Blockly Phan Thủy

Question 1: What is Blockly?

• A. A traditional programming language.

• B. A visual programming environment by dragging and dropping command blocks.

• C. A type of graphics software.

• D. A web design tool.

Question 2: What is the "Repeat" command block in Blockly used for?

• A. Create a fixed loop.

• B. Create a new variable.

• C. Create an if condition.

• D. Create a new function.

Question 3: What is the "If" command block in Blockly used for?

• A. Repeat actions.

• B. Perform actions when a condition is true.

• C. Perform actions when a condition is false.

• D. Stop the program.

Question 4: Which of the following command blocks is used to enter values from users in Blockly?

• A. Prompt for text.

• B.Print.

• C. Wait.

• D. Random number.

Question 5: What is the "Set variable" command block used for?

• A. Create a condition.

• B. Assign a value to a variable.

• C. Perform an action.

• D. Repeat an action.

Question 6: Which of the following command blocks is used to create an infinite loop in Blockly?

• A. Repeat until.

• B. Repeat.

• C. Forever.

• D. While.

Question 7: What type of data does the "Logic" command block in Blockly mainly work with?

• A. Integer.

• B. Character string.

• C. Boolean (true or false).

• D. Array.

Question 8: To calculate the sum of two numbers, which command block will you use in Blockly?

• A. Logic.

• B. Text.

• C. Math.

• D. List.

Question 9: What is the "Create list with" command block used for?

• A. Create a list of numbers.

• B. Create a list of variables.

• C. Create a list of objects.

• D. Create a list of specified values.

Question 10: Which command block is used to stop a loop in Blockly?

• A. Continue.

• B. Stop.

• C. Break.

• D. Exit.