the primitive left turn 90 is correct or not?
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Answer:
Type the command cs (short for clearscreen ), with no inputs. ... The command right (or rt ) is just like left , except that it turns the turtle clockwise, toward its ... repeat 4 [forward 100 right 90
Answer:
Logo is best known as the language that introduced the turtle as a tool for computer graphics. In fact, to many people, Logo and turtle graphics are synonymous. Some computer companies have gotten away with selling products called "Logo" that provided nothing but turtle graphics, but if you bought a "Logo" that provided only the list processing primitives we've used so far, you'd probably feel cheated.
Historically, this idea that Logo is mainly turtle graphics is a mistake. As I mentioned at the beginning of Chapter 1, Logo's name comes from the Greek word for word, because Logo was first designed as a language in which to manipulate language: words and sentences. Still, turtle graphics has turned out to be a very powerful addition to Logo. One reason is that any form of computer graphics is an attention-grabber. But other programming languages had allowed graphics programming before Logo. In this chapter we'll look at some of the reasons why turtle graphics, specifically, was such a major advance in programming technology.
Explanation:
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