CS202 Final Term Preparation by Webdev Passion

CS202 Final Term Preparation

Most Imp and repeated MCQS

1: Which of the following is a correct way to access object properties?

1. objectName&&propertyName
2. objectName$$propertyName
3. objectName.propertyName
4. objectName.propertyName

2: The _____method sorts an array alphabetically.

a) arraySort() · b) sort() · c) sort_Asc () · d) asc_Sort()

3: The _____ method adds a new element to an array (at the end).

a) push() · b) slice() · c) reverse() · d) concat() · example: const arr = [1, 2, 3]; · arr.push(4); // Adds 4 to the end · console.log(arr); // [1, 2, 3, 4]

4: The _____method slices out a piece of an array into a new array.

a) push() · b) slice() · c) reverse() · d) concat() · example: const arr = [1, 2, 3, 4, 5]; · const newArr = arr.slice(1, 4); // [2, 3, 4]

5: Which of the following is JavaScript Arithmetic Operator?

1. <=
2. ||
3. &&
4. +

Example: · let a = 5; · let b = 3; · console.log(a + b); // Output: 8

<=: A comparison operator that checks if a value is less than or equal to another value.

&&: A logical AND operator that returns true only if both conditions are true.

6: The ____ operator is used for Increment.

a) / · b) % · c) ++ · d) – · let x = 5; · x++; // Increment x by 1 · console.log(x); // Output: 6

/: Division operator, used to divide one value by another.

%: Modulus operator, used to find the remainder of a division.

–: Subtraction operator, used to subtract one value from another.

7: Which of the following is used for “and” Logical Operation?

1. !
2. &&
3. <=
4. ==

Example: · let x = 5; · let y = 10; · if (x > 0 && y > 0)

{ console.log("Both are positive numbers"); // This will be printed }

8: Which of the following is used for “or” Logical Operation?

1. !
2. &&
3. ||
4. ==

Example:

||: A logical OR operator that returns true if at least one condition is true.

9: Which of the following is used for “not” Logical Operation?

1. !
2. &&
3. ||
4. ==

10: Use the _____statement to specify a new condition if the first condition is false.

a) var · b) default · c) const · d) else if