A clearly stated objective that how program should work and how it respond to a error is called??

What is secondary exchange ? - apex a. returning a product you are unhappy with b. buying the same product more than once c. buying from people instead of companies d. recycling a previously recycled product

Visually impaired individuals generally rely on the for navigation. thus, designers need to ensure that mouse-specific inputs, such as pointing, clicking, and hovering, can be done without a mouse.

Which of the following calculates the total from the adjacent cell through the first nonnumeric cell by default, using the sum function in its formula? -average -autosum -counta -max