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; }

Sam is a data analyst at an advertising firm. he often uses a spreadsheet that contains media ratings details. he would like to filter the spreadsheet data based on different filter criteria. which operators can he use to specify the combination of filter criteria? sam can use the ( blank ) operators to specify a combination of filter criteria.

What are the steps involved in accepting all the changes in a document? arrange these in order click edit. click accept or reject. click changes. click accept all.

Is an attack that relies on guessing the isns of tcp packets