Commands in LOGO

Learning Objective

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To study about • Erasing Commands • Home Command • Bye Command

Keywords

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Clear screen Clear Text

Write the keyword in your note five times.

Let us revise……

LOGO- Language of Graphics Oriented To hide the turtle – HT To show the turtle back- ST To lift the pen up – PU To put the pen down - PD

Erasing Commands

- Clearscreen- cs

- This command is used to erase everything from the graphic area, and the turtle will come back to its home position.

- Cleartext – ct

- This command is used to clear the commands written in command input box or list box.

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Erasing Commands

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Pen Erase – PE This command is used to erase the line while moving the turtle Eg: fd 50 pe bk 30 By executing this command first the turtle will move forward 50 steps , then pe command is executed after that while executing bk command turtle will come 30 steps backward by erasing the line.

PENNORMAL

This command is used to restore the pen to its normal mode.

Eg: fd 100 pe bk 50 rt 90 pennormal fd 50

Erasing Command

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Home Command

Home Command- home

This command is used to take the turtle back to its home, from any position , by leaving the line behind.

Eg: fd 100 rt 90 fd 100 home

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Bye Command

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Bye Command – bye This command is used to exit from LOGO

Instructions

- https://www.youtube.com/watch?v=nL0MCJkILUk - https://www.youtube.com/watch?v=leNK0FGK2Ro - Students please visit the links and practice

programming in LOGO and also read chapter 7 ‘Commands in LOGO’ and complete the exercises in the text book.

- Parents please download and print the worksheet for your child.

- Students please complete the worksheet and glue it in your notebook.

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- Break the chain of COVID 19 Transmission.

- Wash and sanitize your hand regularly.

- Stay home…Stay safe…stay healthy

- Thank You….

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