IT 103 Chapter Notes - Chapter 4: Enterprise Resource Planning, Computer Hardware, Web Browser

• School: George Mason University
• Department: Information Technology
• Course: IT 103
• Professor: Sanghera

Document Summary

Software: data and computer programs that enable a computer to perform specific tasks. Application software: enables a user to perform a task (example: word processor) Operating system: enables other programs to run properly by interfacing the hardware, other software and the computer user. Charles ba(cid:271)(cid:271)age proposed the idea of readi(cid:374)g i(cid:374)stru(cid:272)tio(cid:374)s i(cid:374)to a (cid:373)a(cid:272)hi(cid:374)e"s (cid:373)e(cid:373)ory for the purpose of controlling computations. Programs: a set of instructions that tells the computer what to do. Use punch cards as the source of program and data: software"s relatio(cid:374)ship to hardware. Computer software directs the actions of the computer hardware: software loaded into memory (ram) and executed in the central processing unit (cpu) Operating system determines when specific application programs are. File system (system software):retrieves or updates data loaded for execution: used to communicate to storage device (hardware) through device drivers (special system programs, software"s relatio(cid:374)ship to data.