Ass2-Quiz2-Programming

Quiz

•

Computers

•

11th Grade

•

Hard

zina aldolymi

Used 5+ times

FREE Resource

31 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

<!DOCTYPE html>

<html>

<body>

var x = "5";

var y = 6;

var z = x + y;

document.write(x + "<br>");

document.write(y + "<br>");

document.write(z + "<br>");

</script>

</body>

</html>

Guess the output of the following code

5 6 10

None of These

5 6 56

5 6 11

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

<!DOCTYPE html>

<html>

<body>

var num1 = 1;

var num2 = 1;

var num3 = "1" + num1 + num2;

document.write(num1 + "<br>");

document.write(num2 + "<br>");

document.write(num3 + "<br>");

</script>

</body>

</html>

Guess the output of the following code.

1 1 3

1 1 111

1 1 12

None of these

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

<html>

<body>

var x = 12.45;

var y = 1;

var z = '8' + x + y;

document.write(z + "<br>");

</script>

</body>

</html>

The value of Z is

813.451

812.451

21.450

21.451

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Variable declared without a value will have the value ______________

None of these

undefined

0

null

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Is it necessary to use "var" keyword while declaring variable.

Yes

No

6.

MULTIPLE SELECT QUESTION

1 min • 1 pt

When you assign a text value to a variable, we put text value in the pair of _________.Select appropriate option(s).

Square Bracket

Double Quote

None of these

Single Quote

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Non Initialized Variable have value "undefined", What value be printed in following case

var name="Cat";

var name;

null

Error

Cat

undefined

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