Refer to the following sequence of instructions: or r1, r2, r3 or r2, r1, r4 or r1, r1, r2 a. Assume there is no forwarding in this pipelined processor. (i) Indicate any dependencies between registers (be specific) and (ii) add nop instruction to eliminate them.
b. Assume there is full forwarding. Indicate hazards and add nop instructions to eliminate them, if necessary.

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Auniversity wants to install a client-server network. which feature do you think is important for them as they set up the network? sending email blocking multiple people to use the same file low security low set up cost limited access to files

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?