Question

Patients who used the software were also a part of an exercise program whereas patients who did not use the software were not. does this change the validity of the conclusions from exercise 1.31?

Answer 1

   Group              Showed improvement   No improvement   Deterioration                                    

Used program                  142                                43                             15

Did not use                         72                                110                             18 programs.

A software license typically gives the end user the right to one or more copies of the software without copyright infringement. The license also defines the responsibilities of the party entering into the license agreement and may impose restrictions on how the software may be used.

The history of software and its development can be traced back to the early nineteenth century. All computer systems are designed to use the stored program concept first developed by Charles Babbage in the 1850s. This concept was lost until the mid-1940s with the advent of modern computers. System software is a type of computer program designed to run computer hardware and application programs. If we think of a computer system as a layered model, the system software is the interface between the hardware and user applications.

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