Suppose a portfolio manager decides to buy 100,000 share of ABC stock based on the stock price of $42.00.  He sends it to a broker, and when the broker receives the order the price is already $42.50.  The broker buys the 100,000 share of ABC stock for a volume-weighted average price of $42.75.  The broker charges a commission of $0.05 per share.  Which statement below is correct?

By submitting and displaying a limit buy order, a trader is

A rogue trader is typically:

A broker who front-runs a large sell order from one of his customers

In a continuous order-driven market

A buyer who is quote-matching

Is the following solution correct to solve the critical section problem? Please briefly explain. Proc (int i) { while (TRUE){            compute;            while (turn != i);            critical_section;            turn = (i+1) mod 2; } } shared int turn; turn = 1; fork(proc, 1, 0); fork(proc, 1, 1);

The following questions are about virtual memory: a.What is Belady’s anomaly in the context of virtual memory? b.What is thrashing in the context of virtual memory?

The following solution was proposed to solve the critical section problem. Is it a good solution? Please briefly explain.   interrupt_S22.JPG

Is the following solution correct to solve the Dining Philosopher problem? If yes, what is its weakness? If no, please use ONE EXAMPLE to show why it is not correct.  dining_S22.JPG