Answer:
Sheave wheel and hoist cable
Explanation:
The sheave wheel is a pulley wheel that sits above the mine shaft. The hoist cable passes over the sheave wheel and then down the shaft of the mine. The sheave wheel reduces the sliding friction of the mine cable. The head frame is the structure that supports the sheave wheel.
Answer:
Windows button = You can see a Start Menu
Task view = You can view your Tasks
Search Box = You can search any app you want in an instance
Answer:
Spyware
Explanation:
Spyware is a type of program that is installed with or without your permission on your personal computers to collect information about users, their computer or browsing habits tracks each and everything that you do without your knowledge and send it to remote user.
Answer:
The correct answer for the given question is " roll1>3 || roll2 > 3 "
Explanation:
In option A, there are two conditions separated by OR. In OR, if any condition is true then it will return TRUE. There second condition is TRUE in the statement that is why the whole expression return TRUE.
Thats why the correct answer is "roll1>3 || roll2 > 3".
Answer:
previousAddition instance variable
Explanation:
In order to accomplish this you would need to add a previousAddition instance variable. In this variable you would need to save the amount that was added at the end of the process. Therefore, if a mistake were to occur you can simply call the previousAddition variable which would have that amount and subtract it from the total. This would quickly reverse the mistake, and can be easily called from the undo() method.