Usability is . 1.the degree to which a program meets the needs of a user, including but not limited to learnability, reliability, and ease of use

2.a testing method that uses a program that tests another program

3.a debugging technique that uses print statements to trace the program flow

4.conforming to accepted standards of behavior

(doing a quiz, need an answer asap please)

What percentage of companies is projected to use social media to locate new employees in 2012

When creating a presentation in libre office impress, where does the editing of slides take place? a. the slides panel b. the center panel c. the tasks panel, under the masters pages tab d. the tasks panel, under the layouts tab

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).