Which of the following seeks to understand every user and how they interact with technology to make these interactions better?HCIIHCICCUID

Jasper and samantha are in a robotics competition. the guidelines state that the robots should be able to move a 10-gram weight at least 2 meters and turn in a circle. jasper and samantha have already built the robot. which step of the design process should they follow next to decide whether their robot meets the minimum criteria for the competition?

Awell-diversified portfolio needs about 20-25 stocks from different categories is this true or false?

In which phase does software coding and testing happen in the spiral model? the spiral model does not have a separate testing phase. both, software coding and testing occurs during the phase.