Compare the output of lru and optimal algorithms with a three-frame and four-frame allocation for the following sequence of page references: < 1,2,3, 4, 5, 2,4,6,7,8, 9, 0,3,10,8,4,10,6,7,8,4,2,3 >

When creating a budget, log fixed expenses before income. after income. after savings. at the top.

1. which of the following statements are true about routers and routing on the internet. choose two answers. a. protocols ensure that a single path between two computers is established before sending packets over it. b. routers are hierarchical and the "root" router is responsible for communicating to sub-routers the best paths for them to route internet traffic. c. a packet traveling between two computers on the internet may be rerouted many times along the way or even lost or "dropped". d. routers act independently and route packets as they see fit.

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?