Question

In: Electrical Engineering

For each of the statements given below, indicated “True” or “False”. (a) The address issued by...

For each of the statements given below, indicated “True” or “False”.

(a) The address issued by the processor is the address of a location in the cache.

(b) The main memory is larger than the cache.

(c) All data and instructions stored in secondary memory are also stored in main memory.

(d) The cache has a shorter access time than main memory.

(e) Main memory is typically constructed using DRAM technology.

explain why

Solutions

Expert Solution

(A) False -the address issued or generated by the processor is logical address .it is not available physically it is an virtual address and this logical address is also used by the cpu to access physical memory location(Main memory)

(B)TRUE main memory is larger than cache because cache memory is included inside the processor itself .the catch available are L1 cache(2kb to 64kb) L2 cache(256kb to 512kb) L3(1mb to 8mb)

(C) TRUE cpu is not directly access the data of secondary memory it first transferred to main memory then cpu access it...(like when you play game in pc it is nit directly process by cpu .it first transferred to main memory then access by cpu)

(D) True cache memory is inside the CPU and CPU does not required system bus to acces cache memore so they are faster and have less access time

(E) True DRAM is widely used as a main memory since it is made up of transistors and capacitors on semiconductor fabrication and they have leakage also so DRAM ned to refresh in every millisecond . There are many types of dram is available in market now

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