The language a^n b^n c^n is not a CFL. Give a pushdown automaton with 2 stacks that accepts the language. (This shows that 2 stack PDAs are more powerful than a single stack PDA.) Your answer in table format must include the headings - state, stack 1,stack 2, new state, stack1 op, stack 2 op

11. is the ability to understand how another person is feeling. a. authority b. sympathy c. empathy d. taking a stand

There is a simple pattern for determining if a binary number is odd. what is it and why does this pattern occur? how many bits would you need if you wanted to have the ability to count up to 1000? how high could you count in binary if you used all 10 of your fingers as bits? (finger up means 1, finger down means 0)

One of your customers wants you to build a personal server that he can use in his home. one of his concerns is making sure he has at least one backup of their data stored on the server in the event that a disk fails. you have decided to back up his data using raid. since this server is for personal use only, the customer wants to keep costs down. therefore, he would like to keep the number of drives to a minimum. which of the following raid systems would best meet the customer's specifications? a. raid 0 b. raid 1 c. raid 5 d. raid 10