Info Systems: System Design & Other Elements Flashcards Preview

BEC > Info Systems: System Design & Other Elements > Flashcards

Flashcards in Info Systems: System Design & Other Elements Deck (35):
1

TPS- Transaction Processing Systems

the systems that process and record the routine daily transactions necessary to conduct the business

2

MIS-

provides users predefined reports that support effective business decision

3

DSS

Decision support- extension of an MIS that provides interactive told to support decision makers. Expert system

4

Executive Information system

Senior executives with immediate and easy access to internal and external info to assist in strategic decision making

5

Systems Development Life Cycle

framework for planning and controlling the detailed activities associated with systems development.

6

Physical Design

-Call of the question.

7

Systems Development Life Cycle Steps- A ditto

1) Systems Analysis
2) Conceptual Design
3) Physical Desgin
4) Implementation & Conversion
5) Training
6) Testing
7) Operations and Maintenance

8

Participants in Business Process Design

1)Management
2) Accountants
3) Info Systems Steering Committee

9

COBIT Framework

The framework provides a set of measures, indicators, processes and best practices to maximize the benefit of info technology

10

COBIT Framework-Business Objectives Might Include

Objectives might include:
1) Effective Decision support
2) Efficient transaction processing
3) Compliance

11

COBIT Framwork-Governance Objectives

1) Strategic Alignment
2) Value Delivery
3) Resource Management
4) Risk Management

12

COBIT Framework- Performance Measurement

Include tracking and monitoring strategy

13

COBT Framework - ICE race

1) Integrity
2) Confidentiality
3) Efficiency
4) Reliability
5) Availability
6) Compliance
7) Effectiveness

14

Domains & processes of COBIT

1) Plan and Organize- Direct the IT process
2) Axquire & Implement- Deliver the IT solution
3) Deliver & Support-Deliver the IT service
4) Monitor & Evaluate -Ensure directions are followed

15

Role of technology systems in control monitoring
General Controls-- ensure that an organizations control environment is stable and well-managed

1) Systems development standards
2) Security management controls
3) Change management procedures
4) Software acquisitions, development, operations & maintenance controls.

16

Role of technology systems in control monitoring
Application Controls - prevent, detect, and correct transaction error and fraud and are application specific, providing reasonable assurance as to system

a) Accuracy
b) Completeness
c) Validity
d) Authorization

17

Role of technology systems in control monitoring - Input Controls

1) Data validation at the field level
2) Prenumbering Forms
3) Well-Defined source data preperation procedures

18

Role of technology systems in control monitoring- Processing Controls

1) Data Matching
2) File Labels
External Labels read by Humans
Internal Labels written in machine readable form

19

Output Controls

1) User Review of Output
2) Reconciliation procedures

20

Control Effectiveness

1) Strategic Master Plan
2) Data Processing Schedule
3) Steering Committee
4) System Performance Measurements

21

System Analyst

a) Internally Developed System
1) works with users to determine system reqs
2) designs the overall application systems
3) Determine the type of network needed.
b) Purchased System
1) integrates the application with existing internal and purchased applications
2) provides training to end users

22

Computer Programmer

Application Programmer/ Software Developer
1) write or maintain application programs
2) For internal control purposes, application programmers should NOT be given to data write/upgrade purposes or unrestricted or uncontrolled access

23

System Programmer

responsible for installing, supporting, monitor and maintain the operating system including capacity planning functions.
For I/C purposes, system prog. should NOT be given access to the data

24

Computer Operator

reponsible for scheduling and running processing jobs.
can be automated and in large computing environments must be automated.

25

IT Supervisor

Manage the IT department

26

File Librarian

Store and protect programs and tapes from damage and unauthorized use

27

Data Librarian

has custody of and maintains the entity's data and ensures that production data is released only to the authorized individuals when needed.

28

Security Administrator

responsible for the assigment of inital passwords and often the maintenance of those passwords

29

Systems Administrator

Database Administrator
Network Administrator
Web Administrator

30

Database Administrator

responsibe for maintaining and supporting the database software and performing certain security functions

31

Network Administrator

support Computer's network through performance monitoring and trouble shooting

32

Web Administrator

resp. for what is on the company's website

33

Data Input Clerk

Prepare, verify, and input the data to be processed.

34

Hardware Technician

set up and configure hardware and troubleshoots any resulting hardware problems

35

End User

Any workers in an organization who enter data into a system or who use the information processed by the system