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).
penicillin O-a penicillin that is similar in antibiotic action to penicillin G but is obtained differently. penicillin V, phenoxymethyl penicillin-a crystalline penicillin similar in action to penicillin G but more resistant to the action of gastric acids. piperacillin, Pipracil-a synthetic type of penicillin antibiotic (trade name Pipracil) used for moderate to severe infections.