Diagnosis Code for Reimbursement Claim: ICD-9-CM 879.8. Code will be replaced by October 2015 and relabeled as ICD-10-CM 879.8. The Short Description Is: Open wound site NOS.
operating system. noun. Definition of operating system for Students. : a program or series of programs that controls the operation of a computer and directs the processing of the user's programs.
OS is an abbreviation for the word Operating System. An Operating System is the software that tells a computer how to operate. It controls hardware, executes programs, manages tasks and resources, and provides the user with an interface to the computer.ou can also find out if your computer is running a 32-bit or 64-bit version of Windows in the same areas listed above. Macintosh. OS X (Mac OS X) - Click the Apple menu at the top of your screen then click About this Mac. To get more detailed information after that click More Info Software.