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COMPUTER APPLICATIONS 2 Marks Quetions

SCRATCH · CBSE STD 10 (CBSE - English Medium). 14 questions.

Questions

2 Marks Quetions

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14 questions · timed · auto-graded

Question 12 Marks
Just like you may add backdrops to script, you may also add costumes. Add two more costumes to the script, from the New Sprite area. From the Looks block, choose 'switch costume to '. Keep changing the costume every 2 or 3 seconds and come back to the same set of costumes i.e. circle around to the previous costumes. How do you achieve this in Scratch?
Answer
After following the steps as given, the following script will do the work.
The name of the three chosen costumes for this problem are seen in the script.
Image
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Question 22 Marks
A sprite says "What angle should I turn by?". You enter some integer. The sprite rotates anti-clockwise by that angle and walks 20 steps. How do you achieve this in Scratch?
Answer
To achieve this, the following script can be used.
Image
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Question 32 Marks
A sprite says "Do you want me to go right or left?". You either enter "Right" or "Left". Any other input is an invalid one. For valid input from user, sprite walks 20 steps in that direction. How do you achieve this in Scratch?
Answer
To achieve this, the following script can be used.
Image
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Question 42 Marks
A problem is given such that a sprite says "I am sprite 1" for 2 seconds. Then it says "What is your name?". Then you enter a name. The sprite then says "Hello". How will you achieve this interaction on Scratch?
Answer
By inserting the following three blocks one after another, it is possible to achieve this.
Image
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Question 52 Marks
Explain what is the tempo and how does it relate to sound being played.
Answer
Tempo is the rate at which any sound is played in Scratch. It is expressed in bpm or beats per minute. In this case, it will be played for 1 sec per beat, since they are 60 beats per minute. If the sound is played for 0.5 beats(for example), that means for every beat played, first 0.5 or half of the beat, the sound is played(and for the next half it is not played).
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Question 72 Marks
To start the script after the green flag of Scratch is clicked, where and what must be put in the code of Scratch?
Answer
self
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Question 82 Marks
Rather than start at x :0 and y:0, you want to start at x:100 and y:100. How can you put the sprite at these coordinates before you start any movement of the sprite?
Answer
self
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Question 112 Marks
If a variable is created in Scratch, how do you set the value of the variable to 0 , in the script?
Answer
self
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