Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
39 Cards in this Set
- Front
- Back
IT and IS
|
information technology
information system IS is more important than IT. |
|
ENIAC
|
first computer; used for calculations for the atom bomb; the size of a room
|
|
3 computer
|
main frame
mid frame;hp sun ibm and micocomputers |
|
operating systems of 3 main computers
|
main frame; zios
midframe; unix, windows server micro; windows |
|
3 tier architecture
|
main frame-midframe- and WS(displaying and manipulating)
|
|
2 tier architecture
|
server-workstation
|
|
LAN
|
local area network; connect from up to 200 yard apart
|
|
WAN
|
wide area network; to connect countries via satellite and oceanic cables
|
|
ATM
|
asynchronous transmission mode; used on college campuses
|
|
MAN
|
metropolitan area network; (network cable line around manhattan)
|
|
ERP
|
enterprise resource planning
95% of companies implemented. ie. SAP, peoplesoft, Boan, JD Edwards |
|
BPR
|
business process reengineering
|
|
SDLC
|
software development life cycle.
1. feasibility stage (whether or not to do something) 2. requirements 3. buy or build 4. test 5. UAT: user acceptance testing 6.production implemented: done on routine basis. |
|
IPO
|
input processing output
|
|
AIS
|
an application. the first one developed. a business asset. processes financial transactions
captures and records the financial effects of a firms transactions distributes transaction information to operations personnel to coordinated many key tasks |
|
MIS
|
management information systems; processes non financial transactions not normally processed by AIS.
|
|
system
|
a group of interrelated multiple components or subsystems that serve a common purpose
|
|
system decomposition
|
the process of dividing the system into smaller subsystem parts
|
|
data sources
|
financial transactions that enter the information system from internal and external sources
|
|
transforming data into information
|
collection
processing management information generation |
|
the three transaction cycles
|
the expenditure cycle
the conversion cycle the revenue cycle |
|
manual system accounting records
|
journals and ledgers
|
|
audit trail
|
source documents-journal-general ledger-financial statements
|
|
master file
|
contains account data
|
|
transaction file
|
a temporary file containing transactions since the last update. new everyday
|
|
reference file
|
nonfinancial data ie. phone numbers
|
|
archive file
|
update backup files. weekly/monthly stored in a wharehouse.
|
|
cardinalities
|
represents the numerical mapping between entities. not always 1-1
|
|
system flowcharts
|
used to represent relationships between the key elements. depict the type of media being used.
|
|
legacy system
|
mainframe based apps
batch oriented use flat files for data storage hierarchical and network databases single user enviorment that discourages information integration. |
|
modern system
|
client server based
uses relational database tables high degree of process integration and data sharing |
|
batch processing
|
a group of similar transactions that are accumulated over time and then processed together. ie. adp payroll company
increases efficiency and control |
|
real time systems
|
control events as they happen. process transactions individually. no time lag between economic event and the processing
|
|
sec squared
|
stock, supplier
employee, enviornment customer c-suite; management level people |
|
four main areas of business ethics
|
equity
rights honesty excercise of corporate power |
|
main computer ethics issues
|
privacy
security ownership of property ownership of assets misuse of computer unemployment and displacement |
|
fraud
|
false representation
material fact intent to deceive misrepresentation caused injury or loss |
|
factors that contribute to fraud
MOM |
mode/motivation
oppourtunity the means debt, addicted to gambling, abuse |
|
amount of risk;CARRE
|
custody
authorize movement of custody record keeping occasional reconciliation error correction |