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.
Operating system is the low-level software that supports a computer's basic functions, such as scheduling tasks and controlling peripherals. As can been seen in the image above, OS is the trading bridge between the hardware and the software components of a system. TYPES :-. 1.Batch operating system. Time-sharing operating systems. Distributed operating System. Network operating System.