According to authors Jeanne W. Ross and David F. Feeny in their 1999 study, The Evolving Role of the CIO, first-generation IT leaders were typically senior or middle managers in what businesses called the electronic data processing department or, later, the information systems (IS) department.
Penicillin (PCN or pen) is a group of antibiotics which include penicillin G (intravenous use), penicillin V (oral use), procaine penicillin, and benzathine penicillin (intramuscular use).They are derived from Penicillium fungi.enicillin (PCN or pen) is a group of antibiotics which include penicillin G (intravenous use), penicillin V (oral use), procaine penicillin, and benzathine penicillin (intramuscular use).
Another name for this class is the beta-lactam antibiotics, referring to their structural formula. 1  The penicillin class contains five groups of antibiotics: aminopenicillins, antipseudomonal penicillins, beta-lactamase inhibitors, natural penicillins, and the penicillinase resistant penicillins. Common antibiotics in the penicillin class include: penicillin V potassium; amoxicillin; amoxicillin/clavulanate (Augmentin) View penicillin drugs. 2.