Use the drop-down menus to complete each of the following sentences. Choose the best answer. For some external components such as flash drives and external hard drives, the safest way to remove them from a computer is to _. Sleep mode and Hibernate mode are _ that help you safely put your computer in a low-power state when you’ll not be using it for a period of time. Cleaning dust from your keyboard, monitor, and fans should be done _. Magnets _ a computer’s performance. Heat, humidity, and cold can damage a computer’s _. You should check all computer cords for the safety of _.

You need a quick answer from a coworker. the most effective way to reach your coworker is through a. cloud server b. instant message c. teleconference d. telepresence

Design a class tictactoe that: holds the following information about the game: two-dimensional array (3 by 3), and winner. add additional variables as needed. includes the functions to perform the various operations on objects. for example, function to print the board, getting the move, checking if move is valid, determining if there is a winner after each move. add additional operations as needed. includes constructor(s). write the functions of the class, and write a program that uses the class. the program should declare an object of type tictactoe. the program will create the board and store it in the array. the program will allow two players to play the tic-tac-toe game. after every valid move update the array, check if there is a winner. if there is no winner and no tie, then print the board again to continue.

Consider the usual algorithm to convert an infix expression to a postfix expression. suppose that you have read 10 input characters during a conversion and that the stack now contains these symbols: (5 points) | | | + | | ( | bottom |_*_| now, suppose that you read and process the 11th symbol of the input. draw the stack for the case where the 11th symbol is