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Low Level Language (LLL)
A low level language is a programming language that is machine-dependent.
It is closer to machine code. A machine dependent language runs only on a
particular type of computer.
High Level Language (HLL)
High Level Language (HLL) is a programming language that enables a programmer
to write programs that are machine-independent.
It is closer to human readable language. The main advantages of high level
languages over low level languages is that they are easier to read, write and
maintain.
Scratch is a high-level, block-based visual programming language.
STARTING SCRATCH
To start scratch, follow these steps:
Step 1 Double-click on the Scratch icon if there is a shortcut on the
desktop.
or,
Click on the Start button. Scroll and find
letter S in the program list. 2
Step 2 Click on Scratch 3.
Clickipedia
Mitchel Resnick developed
Scratch in the year 2007.
1
Features of Scratch
Easy to understand and learn.
Tools for creating interactive stories, games, art and more.
Predefined blocks are snapped together to create the project.
Its own paint editor and sound edition.
Components of the Scratch Window
Let us learn about the components of the Scratch window:
Sprite: It is an object or actor that we see on the Scratch stage. The orange “cat”
is the default sprite.
An Introduction to Scratch Programming 79

