Give an algorithm to compute the diameter of a tree. Describe your algorithm, prove the correctness, and derive the time bound. Your grade partly depends on the eciency of your algorithm.

The word ‘play’ comes with many different interpretations and a variety of definitions. discuss some of the various meanings tied to the word play. why is the concept of play thought to be an important addition to the workplace? do some (brief) research online and give an example of how play in the workplace is being done right.

If your accelerator suddenly gets stuck what should you do

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