Lou Money Flashcards
WHAT is a key distinction between decentralized and distributed systems?
THE interconnection among the nodes (sites) in a distributed systems network
WHAT is the difference between a batch processing and a real time accounts receivable processing system
A real time processing system can provide immediate feedback whereas batch processing has a time delay
- Can assist in situations where customers need immediate feedback about account balance
WHAT is an online analytical processing system?
A processing system that can “drill-down” to the transaction level and can provide trend information via various network setups
WHAT is an advantage using remote batch processing?
IT avoids the need for having File Updating at each user location
i.e. Remote Batch Processing (remote job entry) entails collection and entry of data from places other than the location of the file updating
HOW is the processing in a Knowledge-based (expert) system?
BY Heuristics
i.e. These systems contain a knowledge base for a limited domain of human expertise and inference procedures for the solution of problems
Heuristics is an exploratory problem-solving technique that uses self-education methods, e.g., the evaluation of feedback
WHAT are the four major tasks that any system must perform?
THEY are: , Input, transformation, output, and storage
WHAT type of computer file would most likely be considered a master file in a business information system?
Inventory Subsidiary
WHY? - Because a master file is considered “permanent” information
WHAT type of information system is used with non-routine decisions?
Executive support systems (ESS)
THEY help Senior Management answer questions regarding what their company’s competitors’ are doing
WHAT type of system is timeliness of data availability most relevant?
An ONLINE System
i.e. This system has immediately available to users upon entry; and
is in direct communication with the computer
WHAT may be included in today’s ERP Software involving advanced planning and scheduling?
An advanced scheduling and planning system that controls the flow of a manufacturer’s materials and components through the supply chain
WHAT is a likely benefit of using information technology for internal controls?
Enhanced timeliness of Information
WHAT type of System supports middle and Upper-level management with non-routine, unstructured decision making?
Decision Support Systems (DSS)
NOTE: IT is an aid to decision making, not the automation of a decision process
WHAT type of access is required in an online, real-time system?
DIRECT (random) access
i.e. As each transaction is entered, it is edited (validated)
WHAT type of processing system is batch processing typically used for?
Sequential file access
HOW is volatility defined in relation to computer files from the internal systems of a corporation?
IT is the relative frequency with which records are added, deleted, or changed during a period
e.g. Journal entries versus names and addresses of company vendors
WHAT is Environmental scanning (within the context of internet use)?
A process that systematically surveys and interprets relevant data to identify external opportunities and threats
WHAT is the purpose of the Enterprise Resource Planning system?
IT is a system intended to integrate enterprise-wide information systems by;
- creating one database linked to all of an organization’s applications
WHAT is Porter’s five forces analysis?
A framework that analyzes the level of competition within an industry and business strategy development
WHAT would be considered an appropriate computerized data processing system in a retail environment?
A Real-time processing system
WHY? - Because in that environment, this type of system could potentially allow the company to track inventory, cash, labor, etc., as it changed
FROM a business information systems perspective who would be considered “Stakeholders?”
Anyone in an organization who has a role in creating or using the documents and data stored on the computers or networks
Hence; Stakeholders are those who affect, or are affected by, the output of the information system
