Given a system with a memory access time of 250ns where it takes 12ms to load a page from disk to memory, update the page table and access the page. show how you got the answers.
a. calculate the effective access time (eat) when 100% of the pages are in memory.
b. calculate the effective access time (eat) with a page fault rate of 5%.

Freya realizes she does not have enough in her bank account to use the debit card. she decides to use a credit card instead. which questions should freya answer before using a credit card? check all that apply. can i pay at least the minimum payment each month? can i make payments on time and avoid late fees? will i have to take out a loan? how much in finance charges can i afford to pay? should i talk to a consumer credit counseling service?