Using Dijkstra’s counting semaphores, modify the following pseudocode so that operations on shared variables are atomic. Keep your critical regions as small as possible. main() { int x; for (j=0; j < NumberThreads; j++) { start new thread executing foobar(&x); } } foobar(int *x) { y = 2 * (*x); print y; z = 2 * y; *x = *x / 2; }

So im doing this school challenge and the teachers said whats the average text a student gets a day so i need to get about 20 in a day but dont know how can you guys 2163371293

20 points archie wants to use a reflector as he photographs a newlywed couple. what would he consider in his choice? a. shadow and sunny b. homemade and professional c. lamps and boards d. incident and reflected e. neutral density and enhancement

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?