Assume that a system has multiple processing cores. for each of the following scenarios, describe which is a better locking mechanism—a spinlock or a mutex lock where waiting processes sleep while waiting for the lock to become available: • the lock is to be held for a short duration.• the lock is to be held for a long duration.• a thread may be put to sleep while holding the lock.

Create an explanatory essay outlining a technological advancement during the industrial revolution in england, and how this advancement impacted the workers. compare this information with information you have researched about a twenty-first century hardware invention, how this has changed lives, and how the workers who create the hardware are impacted. construct a strong conclusion, making a connection between technology of the past and present.

In at least two hundred words, discuss why "désirée's baby" is or is not relevant today.

What is similar about these two figures? all that apply