Blockly - Đề 4

Front

Building blocks in Blockly are divided into many categories. Which category does the following block belong to? Options: Lists, Loops, Logic, Color, None of the above

Back

Loops

Front

What is the expected result? A. -9 B. 231 C. 222 D. 240

Back

240

Front

What is the expected output? Why?

Back

NaN. Because -16 is a negative number. It doesn’t have square root.

Front

Student A wants to find average of 10 and 98. Which of the following script is correct?

Back

A

Front

What would this command do? Options: "Repeat while" loops repeat their bodies while some condition is false, "Repeat while" loops repeat their bodies while some condition is true, "Repeat while" loops repeat their bodies until some condition is false, "Repeat while" loops repeat their bodies until some condition is true, None of the above

Back

"Repeat while" loops repeat their bodies while some condition is true

Front

What would this command do? Options: The value of a = -2, Change the value of variable a by -2, Change name of variable a into -2, Change the value of variable a by 2, None of the above

Back

Change the value of variable a by -2

Front

What’s the expected output? Options: 12, -2, 0, a, None of the above

Back

0

Front

Is the following list the same? If not, where is the difference? Options: Yes, they are the same, No, this list has only one element, No, this list contains fewer text blocks, No, this list has print, None of the above

Back

No, this list has only one element

Front

What does the “var list” do?

Back

Declare a variable named list

Front

What is the line of output if the following block added before printing? Options: Summer,Spring,Autumn,4 Sesons,Winter, SummerSpringAutumnWinter4 Seasons, Summer,Spring,Autumn,Winter,4 Seasons, Summer,Spring,Autumn,Winter, None of the above

Back

Summer,Spring,Autumn,Winter,4 Seasons