HKICO 2025_ÔN TẬP 1

HKICO 2025_ÔN TẬP 1

By Bùi Thị Thủy

Multiple Choice

The following is an empty “if” control block, blocks of which following categories can be expected to be filled in ?

• Motion

• Events

• Operators

• Variables

• Control

Multiple Choice

Refer to the following image.

Which of the following options can make the sprite “Cat” move to (10, 0)?

• Click the green flag

• Click on the Cat

• Remove the block

• Remove the block

• None of the above

Multiple Choice

Which supporter is responsible for the maintenance of the Scratch?

• Google

• Microsoft

• Amazon

• MIT

• None of the above

Multiple Choice

Which of the following is the correct script for the basketball sprite, so that the sprite “Cat”, initially at (-150, 0), would chase the basketball at (0, 0) after clicking the green flag?

• None of the above

Multiple Choice

Which of the following script can keep the basketball sprite rotating after green flag is clicked, until the the stop button is clicked?

• None of the above

Multiple Choice

Refer to the following scene and script.

Why isn’t the basketball moving to (10, 0) after the green flag is clicked?

• The block makes the basketball stay at (0, 0)

• Direction is not correct

• Event block is not correct

• Moving 10 steps is not enough

• None of the above

Multiple Choice

Refer to the following script.

Which one of the following scripts has the same effect (to the basketball sprite) as above?

• None of the above

Multiple Choice

Given the stage and the script. Which block is removable in the script to get the exact same effect after the green flag is clicked?

Multiple Choice

Which of the following script can make the sprite follow the mouse pointer constantly for 1 second, after the green flag is clicked?

• None of the above

Multiple Choice

Given the script. Which of the following script has the same effect as the above?

• All of the above

• None of the above

Multiple Choice

Given the following scene. Which of the following script makes the cat follow your mouse and meow once when it touches the basketball?

• None of the above

Multiple Choice

A student wants the sprite “Cat” to move to (100, 0) 10 seconds after the green flag is clicked. He / She writes the following script but does not get the expected result. Why or how to correct?

• should be removed.

• Wait block should be put in a for loop block.

• Wrong message is broadcasted.

• None of the above.

Multiple Choice

Given the following script. The cat does not appear moving to (100, 0) before going to (0, 0) after clicking the green flag. Why?

• The cat did not go to (100, 0) at all.

• (100, 0) is too far away.

• Other sprite is blocking (100, 0).

• All of the above.

• None of the above

Multiple Choice

The cat does not “meow” after green flag is clicked, which of the following option is the explanation?

• 200 is not larger than 50.

• Wrong message is broadcasted

• Wait 1 second is too short.

• “message1” is not broadcasted.

• None of the above.

Multiple Choice

Given operator. Which of the following operators is equivalent as the above?

• None of the above

Multiple Choice

For the script below. The cat will “meow” once if it is clicked every time. If changing the "when this sprite clicked" to "When flag clicked", why would the cat not “meow” once after the green flag is clicked?

• Cat is not clicked again.

• Event “mouse down?” is not captured by the scene.

• is not removed somewhere else.

• should be replaced by

• None of the above.

Multiple Choice

Given the following script. The scene is what happened after clicking the green flag, then clicking mouse on the scene. Why are not all the clones deleted after going to random positions?

• is not triggered by mouse down.

• Mouse down is never triggered at all.

• There are too many clones.

• Each clone should be clicked on one by one to delete it.

• “If” block only checks the moment clone is spawn.

Multiple Choice

The position of the sprite “Cat” is (0, 0), what will be its X position after pressing the “left arrow” key 10 times?

• 0

• 10

• 50

• 60

• Cannot be determined

Multiple Choice

what will be its direction?

• 0

• 90

• -90

• 180

• Cannot be determined

Multiple Choice

Building blocks in Scratch are divided into many categories, for example, Motion, Events, Operators. Which category does the following block belong to?

• Motion

• Events

• Operators

• Sensing

• Control