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Leçon 1, Chapitre 1

En cours

Arduino – Quizz Loops in Arduino IDE

Increment Decrement Operators

Introductory Course on Arduino Loops in Arduino IDE Increment – Decrement Operators Increment Decrement Operators

Time limit: 00:09:56

1. QUESTION

1 point(s)
The increment and decrement operators are useful in:
- Logical operation
- Loops
- Arithmetic operations
- Decision-making statements
2. QUESTION

2 point(s)
Observe the following and select the option that gives the accurate match:
- Pre increment operation – (– Count)
- Post decrement operation – (Count++)
- Post increment operation – (Count++)
- Pre decrement operation – (– Count)
3. QUESTION

1 point(s)
Whenever a statement having either an increment or a decrement operator is executed, the value of variable is increased or decreased by:
- 2
- We can set
- 1
4. QUESTION

1 point(s)
What happens when we use the post-increment operation?
- The variable is first used as it is, and is incremented after execution.
- The variable is incremented first and then used.

Repeating Statements: For Loop

Introductory Course on Arduino Loops in Arduino IDE Repeating Statements: For Loop Repeating Statements: For Loop

Time limit: 00:09:57

1. QUESTION

1 point(s)
The expressions in a for loop argument are separated by?
- ;
- :
- .
- !
2. QUESTION

2 point(s)
Which of the following is an important part of the for loop syntax?
- Initialization
- Control statement
- Increment or decrement
3. QUESTION

1 point(s)
What role does a ‘control statement’ play inside a for loop?
- Assign a value to the variable
- Increment/decrement variable
- Compare variable with a pre-decide value
4. QUESTION

1 point(s)
What do you think is the usage of for loop in a program?
- Repeating statement infinitely
- Repeating statements for a particular number of times
- Generating delay
5. QUESTION

2 point(s)
‘Initialization’ can consist of?
- Declaring a variable
- Assigning a value to the variable

While Loop

Introductory Course on Arduino Loops in Arduino IDE While Loop While Loop

Time limit: 00:09:56

1. QUESTION

3 point(s)Which of following things make a while loop different from a for loop?
- It can be used for generating delays.
- It can run for a finite time.
- It doesn’t have the initialization part in its syntax.
- It can run infinitely.
2. QUESTION

1 point(s)Until when does the while loop repeat?
- For a fixed time interval
- Until the condition become false
- Infinitely
3. QUESTION

2 point(s)Which of the following are the similarities between a while loop and a for loop?
- Both can be used for generating delays.
- Both have only one condition in their syntax.
- Both can run infinitely.
- Both can run for a finite time.
4. QUESTION

2 point(s)When will you choose a while loop over a for loop?
- When the number of repetitions is not known.
- When forever repetition is not needed.
- When forever repetition is needed.
- When the number of repetitions is known.
5. QUESTION

1 point(s)What should be included inside a while loop body to stop it from running forever?
- Something to change tested variable
- Nothing as it stops automatically after some time
- Introduce delay

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