Class- 4 | Computer Technology | Chapter – 3 | Fun with LOGO

 

Class- 4 | Computer Technology | Chapter – 3 | Fun with LOGO

Exercise Solutions | By: - Ashok Sir

 

A.Oral Questions

1. What is the full form of LOGO?

Ans: Language of Graphics Oriented.

 

2. What are Primitives?

Ans: The instruction given to the turtle area called Primitives.

 

3. What is the shape of turtle?

Ans: Triangle

 

4. What is the use of RT Command?

Ans: Move the turtle clock wise to right side.

E. Write the commands for the given short forms.

 

1.    BK : Backward Command

2.    HT : Hide Turtle Command

3.    FD: Forward Command

4.    CS : Clear Screen Command

5.    CT: Clear Text Command

6.    LT : Left Command

7.    ST: Show Turle Command

8.    RT : Right Command

 

F.Answer the following questions:

1. Define LOGO.

Ans: LOGO is a computer language used to draw figures.

 

2. Define LOGO Primitives.

Ans: The in structions given to the turle area called primitives.

 

3. Differentiate between CS and CT.

Ans: CS (Clear screen) command clears the figures from the main screen. While CT (Clear Text) command erase the text in the recall list box.

 

4. How to delete the lines of the drawing?

Ans: PE (Pen Erase) Command is used to erase a line from the screen.

 

5. Define PU and PD with example.

Ans: PU (Pen Up) command is used to pick up the turle pen from the screen.

PD (Pen Down) command is used to put the turle pen down on the screen.