Given that cache memory is much faster than system RAM, explain TWO (2) reasons why computer system usually only have a small amount of cache memory compare to RAM. (4 marks) 

 

b) Give ONE (1) efficiency comparison for each of the following I/O handling mechanism: CPU polling, Interrupt-driven I/O and Direct Memory Access (DMA).?

Answer rating: 100% (QA)

Answer a Reasons why computer systems usually only have a small amount of cache memory compared to RAM Cost and Complexity Cache memory is more expens... View the full answer