TCO- total cost of ownership is major determinant on choosing PC
*do ex.3.3; learn terms
______________________CEO______________________________
VP SALES--------------------VP ADMIN-----------------VP PRODUCTION
1. Scientific management
-inefficiencies
-workers attitude
-merit promotions
-organized hierarchy
-merit promotions
2. Bureaucracy
- div of labor
3.Human Relations
-encourage workers
-redesign jobs
-improve commuication
4. Psychological approaches
-reinforcement
-cognitive theory
-expectancy, equity, goal
5. Content theories
-maslow
-herzberg
-alsderfer
2. ORG STRUCTURE = div of labor, dec.rights, boundaries,politics.
FUNCTIONAL
________________________CEO____________________________
R&D MANUF SALES MARKETING FIN.
DIVISION
_________________________CEO_____________________________
DIV.A DIV. B DIV.C DIV.D
SYSTEM'S MODELS
1. INPUT 2. MANUF. 3. OUTPUT
IS MODEL
1.CONTROL
2. INPUT-------------PROCESS-------------OUTPUT
3.STORAGE
TREND: toward smaller, faster, more reliable, and less costly
trend: easy to purchase, easy to maintain
4 COMPUTER TYPES
1. MAINFRAME-very big, expensive
2.MIDRANGE- not so big
3.MICROCOMPUTER- very small, personal computer
4.SUPERCOMP'S- came out in 70's,used fo research, etc. very powerful
MICROCOMPUTER SYSTEMS
-handheld - desktops -network server -notebooks -workstation
BENEFITS
-integration -standardization -decentralization -synergitic process
TASKS OF DB MANAG. PACKAGES
-DB development -DB interr. -DB maint. -APPlication dev.
FACTORS OF OS
resource--------task--------file-------utilities,etc
LANGUAGES(PROGRAMMING)
1. MACHINE 2. ASSEMBLER 3. HIGH LEVEL(3GL)
4. NON-PROCEDURAL 5. MARKUP 6. OBJECT ORIENTED
COMPILER- changes code to o's and 1's for computer to understand
INTERPRETER- goes line by line changing 0's to 1's
DATA-raw facts
INFORMATION- a collection of data
*THE WHOLE DATABASE IS AN ENTERPRISE
