Como o Sistema Operacional abstrai o uso dos dispositivos de E/S? Quais são os dois tipos de dispositivos de E/S manipulados pelo Sistema Operacional?

Assume the existence of a bankaccount class. define a derived class, savingsaccount that contains two instance variables: the first a double, named interestrate, and the second an integer named interesttype. the value of the interesttype variable can be 1 for simple interest and 2 for compound interest. there is also a constructor that accepts two parameters: a double that is used to initialize the interestrate variable, and a string that you may assume will contain either "simple", or "compound", and which should be used to initialize the interesttype variable appropriately. there should also be a pair of functions getinterestrate and getinteresttype that return the values of the corresponding data members (as double and int respectively).

What provides an array of buttons for quick access to commonly used commands and tools

Name the range function that would generate the following list of integers values: 0,1,2,3,4,5.