UARK - ISYS 2103 EXAM 1
1. System
Answer a set of interrelated components, with a clearly defined boundary, working together to achieve a
common set of objectives
2. Information System
Answer an organized combination of people, hardware, software, communication networks, data resources,
policies/procedures
-captures, store, retrieves, transform and disseminates
3. What is the difference between information systems and information tech-
nology?
Answer -IS
all comp.'s and resources necessary to deliver information and functions to the organization
-IT
hardware and software
4. Information Concepts
, Answer -Foundation Concepts
-Information Technology
-Business Applications
-Development Process
-Management Challenges
5. 4 Major Components of Info System
Answer Data, Database, Process and Information
6. (Raw) Data
Answer raw, input to the system
-Sources of Data
internal and external
-Time Orientation
can change overtime
-ex
all names and addresses of students
,7. Aggregated Data
Answer like a class list
8. Disaggregated Data
Answer class list separated into majors, smaller categories
9. Summary Data
Answer a summary of raw data
-ex
how many students so we have (in a certain major)?
10. Meta Data
Answer data about the data or secondary descriptions around data
11. Encapsulation vs Normalization
Answer E - grouping objects along with their attributes and methods into a class
N - makes relational databases eflcient, eliminates duplicate data, ensures data is related
12. Database
Answer a place where data is stored, heart of info system, collection of all relevant data organized in a series of
, integrated files and collection of related data that can be stored in a central location or in multiple locations
- Essential for success
- Managed with a database management system (DBMS) i.e. Oracle
-Reduces personnel time needed to gather, process and interpret data manually
1. System
Answer a set of interrelated components, with a clearly defined boundary, working together to achieve a
common set of objectives
2. Information System
Answer an organized combination of people, hardware, software, communication networks, data resources,
policies/procedures
-captures, store, retrieves, transform and disseminates
3. What is the difference between information systems and information tech-
nology?
Answer -IS
all comp.'s and resources necessary to deliver information and functions to the organization
-IT
hardware and software
4. Information Concepts
, Answer -Foundation Concepts
-Information Technology
-Business Applications
-Development Process
-Management Challenges
5. 4 Major Components of Info System
Answer Data, Database, Process and Information
6. (Raw) Data
Answer raw, input to the system
-Sources of Data
internal and external
-Time Orientation
can change overtime
-ex
all names and addresses of students
,7. Aggregated Data
Answer like a class list
8. Disaggregated Data
Answer class list separated into majors, smaller categories
9. Summary Data
Answer a summary of raw data
-ex
how many students so we have (in a certain major)?
10. Meta Data
Answer data about the data or secondary descriptions around data
11. Encapsulation vs Normalization
Answer E - grouping objects along with their attributes and methods into a class
N - makes relational databases eflcient, eliminates duplicate data, ensures data is related
12. Database
Answer a place where data is stored, heart of info system, collection of all relevant data organized in a series of
, integrated files and collection of related data that can be stored in a central location or in multiple locations
- Essential for success
- Managed with a database management system (DBMS) i.e. Oracle
-Reduces personnel time needed to gather, process and interpret data manually
