homework 8 1. what does ddr stand for when referring to ddr ram? 2. what are the two differences between ddr2 and ddr3? 3. the fsb, front side bus, connects what two elements inside a computer? 4. in a magnetic hard drive what is the seek time, rotational delay and transfer time? 5. what are the advantages and disadvantages of using ssd over a conventional magnetic hard drive? 6. in tlb what is the meaning of the valid, dirty and reference bit. you must state what it means if the bit is logic ‘1’ or logic ‘0’