What does if mean in scratch?

The If () Then block is a Control block and a C block. The block checks its boolean condition. If the condition is true, the blocks held inside it will run, and then the script involved will continue.

Likewise, what does the if else block do in scratch?

If () Then, Else (block) The block will check its boolean condition. If the condition is true, the code held inside the first C (space) will activate, and then the script will continue; if the condition is false, the code inside the second C will activate (unlike the If () Then block).

Secondly, how do you repeat until in scratch? The Repeat Until () block is a Control block and a C block. Blocks held inside this block will loop until the specified boolean statement is true, in which case the code beneath the block (if any) will execute. This loop is in similar nature to a while loop in some other programming languages.

Also, why do we use conditions in programming in Scratch?

Conditional statements check whether a programmer-specified Boolean condition is true or false. They make it possible to test a variable against a value/compare a variable with another variable and make the program act in one way if the condition is met, and another if it isn't.

How do you use if in scratch?

If () Then (block) The block checks its boolean condition. If the condition is true, the blocks held inside it will run, and then the script involved will continue. If the condition is false, the code inside the block will be ignored and the script will move on (unlike in the If () Then, Else block).

How do you use variables in scratch?

In Scratch, variables are represented with blocks shaped like elongated circles, uniquely labeled by you. Variables, generally speaking, can be local or global. In Scratch, a local variable can be used by just one sprite; a global variable can be used by all of your sprites.

What is a conditional in scratch?

In programming, a condition is something that must be true in order for something to happen. A condition is thus said to "evaluate to true" or "evaluate to false." In Scratch, any block whose label says "if," "when," or "until" is a sort of conditional construct.

What is the purpose of if statement?

The if statement is used to check a condition and if the condition is true, we run a block of statements (called the if-block), else we process another block of statements (called the else-block). The else clause is optional.

What is control in scratch?

Control Blocks. The Control blocks. Control Blocks are one of the eight categories of Scratch blocks. They are color-coded yellow, and are used to control scripts. There are currently four Hat blocks, six C blocks, four Stack blocks and two Cap blocks in this category.

What is an event in scratch?

An event, then, is like a message from one thread to another. In Scratch, blocks whose labels begin with "broadcast" signal events whereas blocks whose labels begin with "when" handle events, the latter of which, recall, effectively represent threads themselves.

What is a condition in programming?

In computer science, conditional statements, conditional expressions and conditional constructs are features of a programming language, which perform different computations or actions depending on whether a programmer-specified boolean condition evaluates to true or false.

What is a nested construct?

Nested DO Constructs. A DO construct can contain one or more complete DO constructs (loops). The range of an inner nested DO construct must lie completely within the range of the next outer DO construct. Nested nonblock DO constructs can share a labeled terminal statement.

What are looping?

Looping is a process in which a list of statements executes repeatedly. In other words, Looping statements (Iterative statements) are used to repeat the execution of a list of statements till a certain condition remains true. They are : while loop. do-while loop.

In what circumstances would a programmer use if/then else instead of if then?

When a user wants to execute some code on the basis of some condition, then if-then-else can be used, instead of if-then. For example: If age is 20, then 20% discount is given, otherwise discount is 0.

What is difference between repeat and repeat until block?

The repeat until block is a loop, just like the forever block. Each time through the loop, the program checks the Boolean block. If the block is false, the program repeats the blocks inside the loop. If the block is true, the program skips the blocks inside the loop and moves on to the next statement in the program.

What does the repeat 10 Command do in scratch?

The Repeat () block is a Control block and a C block. Blocks held inside this block will loop a given amount of times, before allowing the script to continue. If a decimal is put in, the number is rounded up. This block has a slight delay, so for optimum speed of execution, Single Frame block stacks should be used.

What is forever block?

Forever (block) Blocks held inside this block will be in a loop — just like the Repeat () block and the Repeat Until () block, except that the loop never ends (unless the stop sign is clicked, the Stop All block is activated, or the stop script block is activated within the loop).