WGU C182 Introduction to IT

WGU C182 Introduction to IT 1st Generation of Computers - Vacuum tubes, relay switches, the need to program in machine language 2nd Generation of Computers - Transistor components, magnetic core memory, smaller size, easier to program, disk drives and drums, called mainframe computers 3rd Generation of Computers - Silicon chips (known as ICs - integrated circuits), reduced cost, called mini computers, networks introduced via dumb terminals 4th Generation of Computers - Single chip processor, called microcomputer, first personal computer, rudimentary computer graphics, home use Administrator Ethics - Privacy, Ownership, Control, Accuracy, Security Algorithms - A formula or procedure for solving a problem. Can also be described as a set of steps that are followed in order to complete a process Alpha Testing - System developers assist end users as they interact with new system; simulated data is used Analysis - Determines the user requirements for the new system and develops logical models of the system Anti-viral Software - Attempts to identify if a file contains a virus or some form of malware Application Software - Consists of programs that end users run to accomplish tasks Assembly Language - Easier than machine but still required detailed, precise low level instructions Attributes - Columns of the relation Authentication - Proving you are who you say you are which can be done by: what