For Loop and Dry Run Revision Quiz

A (a)   is used to repeat a block of code several times.

For loops are ________ ________ loops.

• exit - controlled

• entry - controlled

• I don't know

• All of the above

A for loop stops when the condition becomes

• False

• True

Which statement is executed first and only once ?

• Conditional Expression

• Update Statement

• Initialization Statement

• Code Block

A _____ ______ is a testing process where the

effects of a possible failure are

intentionally mitigated.

• For Loop

• Selections

• While Loop

• Dry Run

What is Dry Run also known as ?

• Trace Table

• Code Block

• Table

Predict the Output:

<script>

for (var x = 1 ; x <= 10 ; x += 2)

{

document.write(x)

}

</script>

• 1 3 5 7 9

• 1 2 3 4 5 6 7 8 9

• 13579

• 246810

Predict the Output:

<script>

var x = 10

for (; x >= 1;)

{

document.write(x)

x --

}

</script>

• 109876543210

• 10987654321

• 1098654321

• 10876543210

Spot the Error:

<script> - i

for (var x = 1 , x <= 2 ; x ++) - ii

{

document.write(x) - iii

}

</script> - iv

• i

• ii

• iii

• iv

Spot the Error:

<script>

var x = 1

var y = 1

for (; x <= 5 ;); - i

{

document.write(x) - ii

}

for (; y <= 10 ;) - iii

{

document.write(y) - iv

}

</script>

• i

• ii

• iii

• iv