Which of the Following Operating Systems Is Available for Free

question 58

Multiple Choice

Which of the following operating systems is available for free and can be modified by anyone?

• A) Windows
• B) Linux
• C) Mac OS
• D) Chrome OS

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Definitions:

ICD-9-CM Manual

A medical classification list by the World Health Organization for diseases, symptoms, and procedures, used primarily before October 2015 in the United States.

Radiology

The branch of medicine that uses imaging techniques, such as X-rays and MRI, to diagnose and sometimes treat diseases.

ICD-9-PCS

International Classification of Diseases, Ninth Revision, Procedure Coding System; a system used in the United States to classify and code hospital procedures.

ICD-9-CM

The International Classification of Diseases, Ninth Revision, Clinical Modification; a predecessor to ICD-10-CM used for coding and classifying morbidity data from inpatient and outpatient records, primary replaced by ICD-10-CM.