Scratch - Conditionals & Iteration: Short Answer Type Questions Class 10 Notes | EduRev

Computer Application: Class 10

Class 10 : Scratch - Conditionals & Iteration: Short Answer Type Questions Class 10 Notes | EduRev

The document Scratch - Conditionals & Iteration: Short Answer Type Questions Class 10 Notes | EduRev is a part of the Class 10 Course Computer Application: Class 10.
All you need of Class 10 at this link: Class 10

Q.1. Assemble the commands from the events, control and motion areas of Scratch. Write a description of what happens in the script when the green flag is clicked.   (2 Marks)
Scratch - Conditionals & Iteration: Short Answer Type Questions Class 10 Notes | EduRev
Ans: When the green flag is clicked the sprite will go to the position x:100 y:100 on the stage. The sprite will then pause for 1 second, move downwards by 200 steps, pause for 0.5 seconds, move left 100 steps and turn forward by 90 degrees. The sprite will glide for 1 second to the stage position x:0 y:0 and point facing in a forward direction.

Q.2. Write a code to draw a star.   (2 Marks)
Ans:

Scratch - Conditionals & Iteration: Short Answer Type Questions Class 10 Notes | EduRev

Q.3. Using Scratch, write a script that will do the following   (2 Marks)
(1) Move a sprite to the starting position x:50 y:70
(2) Turn the Sprite upside-down
(3) Glide for 2 seconds to x:-50 y:-50
(4) Turn the sprite upwards again
Ans:
(Select the 'i' at the top left hand corner of the selected sprite in the sprites area to reveal the sprite editor to rotate.)
Scratch - Conditionals & Iteration: Short Answer Type Questions Class 10 Notes | EduRevScratch - Conditionals & Iteration: Short Answer Type Questions Class 10 Notes | EduRev

Q.4. Write a code to draw a circle.   (2 Marks)
Ans:

Scratch - Conditionals & Iteration: Short Answer Type Questions Class 10 Notes | EduRev

Q.5. Identify the script below that matches the game instruction. Hit “a” to move left and hit “b” to move right   (2 Marks)
A.
Scratch - Conditionals & Iteration: Short Answer Type Questions Class 10 Notes | EduRev
B.
Scratch - Conditionals & Iteration: Short Answer Type Questions Class 10 Notes | EduRev
C.
Scratch - Conditionals & Iteration: Short Answer Type Questions Class 10 Notes | EduRev
D.
Scratch - Conditionals & Iteration: Short Answer Type Questions Class 10 Notes | EduRev
Ans:
B

Q.6. Differentiate between Scratch - Conditionals & Iteration: Short Answer Type Questions Class 10 Notes | EduRevand Scratch - Conditionals & Iteration: Short Answer Type Questions Class 10 Notes | EduRevblocks.   (2 Marks)
Ans: 
The instruction blocks enclosed inside the if.... block are executed only if the condition is true. Nothing happens if the condition is false.
In case of if...then....else block, the instruction blocks enclosed inside the if are executed if the condition is true. If the condition is false, then the instruction blocks enclosed inside the else part are executed.

Q.7. Use Scratch to draw the shape on the stage as shown in the image below.   (2 Marks)
Scratch - Conditionals & Iteration: Short Answer Type Questions Class 10 Notes | EduRev
Ans:

Scratch - Conditionals & Iteration: Short Answer Type Questions Class 10 Notes | EduRev

Q.8. Use Scratch to draw a circle and pentagon side by side on the stage   (2 Marks)
Ans:

Scratch - Conditionals & Iteration: Short Answer Type Questions Class 10 Notes | EduRev

Q.9. Differentiate betweenScratch - Conditionals & Iteration: Short Answer Type Questions Class 10 Notes | EduRevand Scratch - Conditionals & Iteration: Short Answer Type Questions Class 10 Notes | EduRevblocks?   (2 Marks)
Ans: 
The instructions enclosed in the forever block keep on executing till the time the project is running or the stop button is not pressed. The instructions enclosed in the repeat ( ) block execute for the given number of times

Q.10. Write a code to draw a square.
Ans:
Scratch - Conditionals & Iteration: Short Answer Type Questions Class 10 Notes | EduRev

Q.11. Write a code to draw a triangle.   (2 Marks)
Ans:

Scratch - Conditionals & Iteration: Short Answer Type Questions Class 10 Notes | EduRev

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