What is the dummy piece of code used during the top-down approach of integration testing

Raveena is making a professional presentation for a newly launched product of her company. she wants to incorporate the following features in her presentation. a) to add serial numbers in each slide b) to add name of her company on top of each slide. c) to add the picture of her product on the second slide(the picture of her product is stored on her computer) write the commands/features of her presentation tool using which she can perform the above operations.

Ryan is working on the layout of her web page. she needs to figure out where her header, navigation bar, text, and images should go. what technique can her?

The isometric projection camera technique provides an illusion of perspective by using things like parallax scrolling to create the illusion of 3d in a 2d game