Đề 6

Which of the following code type is/are NOT generated by Blockly?

• JavaScript

• Python

• PHP

• SAS

• None of the above

Answer explanation

Blockly can generate code in JavaScript, Python, and PHP, but it does not support SAS. Therefore, SAS is the correct answer as it is not generated by Blockly.

Which of the following platform can use Blockly?

• Android

• iOS

• Google Chrome

• All the above

• None of the above

Answer explanation

Blockly is a web-based visual programming editor that can be used on various platforms, including Android, iOS, and Google Chrome. Therefore, the correct answer is 'All the above'.

Which of the following statement is correct to fill in the blank space? “The Web-based of Blockly is using __________”

• Flash

• SVG

• GIF

• JPEG

• PNG

Answer explanation

The correct choice is SVG because Blockly uses Scalable Vector Graphics (SVG) for rendering its visual elements in a web-based environment, allowing for scalable and interactive graphics.

Which of the following browser(s) support for Blockly?

• Chrome

• Safari

• Firefox

• Internet Explorer

• All the above

Answer explanation

Blockly is supported by all major browsers, including Chrome, Safari, Firefox, and even Internet Explorer. Therefore, the correct answer is 'All the above'.

Refer to the following code: What is the value of ‘number’ after executing this code? (What is the number printed?)

• 0

• 1

• 2

• 3

• 4

Answer explanation

The code likely increments 'number' twice, starting from 0. After two increments, 'number' becomes 2, which is the value printed. Therefore, the correct answer is 2.

Notice the block in the image below:

Which of the following block(s) is/are suitable for put into the red circle?

• 
• 
• 
• All the above

• None of the above

Refer to the following code (Java script) for below question: Which of following block is most suitable for the while condition if the output = 10?

• 
• 
• None of the above

• 
• 

Refer to the following code (Java script) for below question: Which of following block is most suitable for the while condition if the output = 121?

• 
• 
• 
• 
• None of the above

What is the value of ‘number’ after executing this code?

• 0

• 1

• 2

• 5

• None of the above

Answer explanation

The code likely initializes 'number' to 0 and does not modify it. Therefore, after execution, the value of 'number' remains 0, making the correct answer 0.

What is the value of the following block?

• ABC

• abc

• 3

• 2

• None of the above

Answer explanation

The block's value is determined by counting the letters in 'ABC', which is 3. Therefore, the correct answer is 3.