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6 An Introduction to
Scratch Programming
Chapter Profile
Program and Programming Languages Starting Scratch
Changing the Appearance of a Sprite Deleting a Sprite
Resizing the Sprite Choosing a Backdrop
Scratch Blocks Full Screen Mode
Saving the Project Exiting Scratch
Scratch is a block-based programming language. It has a free programmable toolkit
that enables you to create your own games, animated stories and interactive art
and share their creations with one another over the Internet. You can drag and
combine code blocks to make a range of programs, including animations, stories,
musical instruments and games.
PROGRAM AND PROGRAMMING LANGUAGES
A program is a set of instructions given to the CPU in a proper sequence
to complete a task. Programs are written in a computer language with a
pre-defined Syntax. Syntax is the grammar of a computer language.
A computer language is an interface between a computer and human beings
(user). It is a set of words, symbols and codes that the computer can understand. It
is used to write a computer program.
The process of writing a program is called programming. People who write these
programs are called programmers. Computer languages are classified into two
major categories:
COMPUTER LANGUAGES
Low Level Language High Level Language
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