Relational tables need to be to avoid duplicate data.

Aletter or menu command that starts an action when the user presses the designated letter and the alt key together is called what?

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?

The head restraint should be adjusted so that it reaches a. the top of your ears b. the base of your skull c. the top of the head