Class-III (Afternoon)_Computer Science.pdf 6 a ine ulangle used to draw WiSW LOGO is called 2. The command clears the main screen completely. 3. The blinking vertical line ( 1 ) is called 4. To highlight a character in the line, we use the ke with forward arrow. To find the word from the text, press the shortcut the keyboard. 6. The key is used to create a big blank space is 5. 0 3. State True / False : 6x1
Answers
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.
This chapter can't be long enough to treat the possibilities of computer graphics fully. My goal is merely to show you that the same ideas we've been using with words and lists are also fruitful in a very different problem domain. Ideas like locality, modularity, and recursion appear here, too, although sometimes in different guises.
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