Launchpad programming - day 11 morning (JS)

Why is version control important?

• Version control is important for optimising code performance and efficiency.

• Version control is important for managing project deadlines and milestones.
• Version control is important for ensuring data security and privacy.
• Version control is important for collaboration, tracking changes, reverting to previous versions, and maintaining a history of development.

Which is the most popular version control solution?

• CVS
• Mercurial
• Subversion
• Git

What is a 2D array?

• A list of numbers
• A single value
• An array of arrays
• A string of characters

Consider the following 2D array.

What will be the output of matrix[1][2]?

• 1

• 5

• 6

• 8

Consider the following 2D array. What will be the output of the following code snippet?

console.log(matrix[0][1] + matrix[2][0]);

• 8

• 9

• 10

• 12

Consider the following 2D array.

What will be the output of the following code snippet?

console.log(matrix[1][0] * matrix[2][1]);

• 11

• 15

• 18

• 30