Answer: Reusing software device has some economical challenges such as:
- Investment cost in reusing the device is considered as the extra cost.It might require some extra components for the working to become usable
- Requires skilled person who can develop and design the software to be used again.The creating and designing of new software design is comparatively easy but making the system reusable requires someone who has more designing skill who will be highly paid for the work
- Cost of writing and reading of the software can also be considered as the economical challenge as the reused system created is to be studied by some other organization members or sources not familiar with the functioning. .
I'd say Davis was trying to increase persuasive power. Given that he saw that nobody was really his friend because he was shy and quiet, he tried to persuade people to like him by going to the game and hanging out with people.
Opacity is the extent to which something blocks light. You can change the opacity of layers, filters, and effects so that more (or less) of the underlying image shows through.
