What is a series of instruction or commands that a computer follows; used to create software

You are working with a professional edition organization. they wish to install the expense tracker which requires the use of 4 custom tabs, 3 custom objects, and one custom app. if the company is already using 4 applications, 36 custom objects, and 7 custom tabs, what will happen when they try to install expense tracker?

List a few alternative options and input and output over the standerd keyboard and monitor. explain their functioning in details.

Hazel has just finished adding pictures to her holiday newsletter. she decides to crop an image. what is cropping an image?