Technician a says that you should always compare the new hub to the old one to make sure the new hub is correct for the application. technician b says that you should always make sure the hub is fully seated and impact the mounting bolts as tight as you can to make sure the hub does not come loose. who is correct?

Communication is the exchange of information. true false

Hassan is writing his master’s thesis, which is a thirty-page document. he received some feedback from his professor in the form of comments, but does not see where the comments are. what is the fastest way for hassan to find the feedback?

Acomputer has a two-level cache. suppose that 60% of the memory references hit on the first level cache, 35% hit on the second level, and 5% miss. the access times are 5 nsec, 15 nsec, and 60 nsec, respectively, where the times for the level 2 cache and memory start counting at the moment it is known that they are needed (e.g., a level 2 cache access does not even start until the level 1 cache miss occurs). what is the average access time?