INFO101 - Study
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44 terms
Terms | Definitions |
|---|---|
 Information | Knowledge derived from data |
| Five-Component Framework | Hardware, software, data, procedures, people |
| Characteristics of good information | Accurate, timely, relevant, just barely sufficient, worth its cost |
| What is the difference between IT and IS? | You can buy IT, you can't buy IS |
| The effectiveness of a collaborative effort is driven by | communication, content, management |
| The Collaboration Procedure | Starting, planning, doing, wrapping-up |
| Types of Communication | Synchronous, asynchronous |
| Categories of Sharing Content | No control, management control, version control |
| Types of Workflow | Sequential, parallel, SharePoint |
| Types of Decisions | Operational, managerial, strategic |
| Problem | A perceived difference between what is and what ought to be |
| Porter's Five Forces | Bargaining power of customers, threat of substitutions, bargaining power of suppliers, threat of new entrants, and rivalry |
| Primary Activities of the Value Chain | Inbound logistics, operations/manufacturing, outbound logistics, sales and marketing, and customer service |
| A support activity in the value chain | technology development |
| Database | Self-describing collection of integrated records |
| The Components of a Database Application System | User, database application, database management system, database |
| The Major Responsibilities for Database Administration | Development, operation, backup and recovery, adaptation |
| N:M Relationships | many to many relationships |
| Implications of Moore's Law | faster, greater capacity, smaller, cheaper |
| Four Main Components of Computer Hardware | Input, process, output, storage |
| Date the Original IBM Personal Computer was made | August 12 1981 |
| Date of the First Hard Disk Drive | 1959 |
| Operating System | A master control programme which manages the resources of the computer |
| Software Programme | A collection of instructions, designed to accomplish some task |
| 3 Main Ways an Operating System Manages a Computer's RAM | Uniprocessing, multiprocessing, virtual memory |
| 4 main ways a company may obtain software | Write it yourself, hire someone else, buy a software package and tailor it, buy software "off the shelf" (no tailoring) |
| Database Development Process | Forms/reports/queries, create data model (entities and relationships), create database design (tables with foreign keys), create database |
| The easiest time to change a database structure | during the data modelling stage |
| Levels of a Database | Physical level, logical level, view level |
| The first time two computers talked to each other | October 29 1969 |
| Network Architectures | Centralised, decentralised, distributed model |
| Network Protocol Variations | centralised, token-ring, ethernet |
| General OSI 5-Layer Model | physical, data link (Internet protocol), network (transmission control protocol), transport, application |
| Date and man who invented the Internet | 1990, Tim Berners-Lee |
| Stages in the SDLC | business planning process, system definition, requirements analysis, component design, implementation, system maintenance |
| Web Farm | Runs multiple Web servers |
| Phisher | Someone who pretends to be a legitimate company and sends email requesting confidential data |
| ERP | A business process for managing all contacts between an organization and its suppliers |
| Terabyte | 1024GB |
| Difficulties in Systems Development | Determining requirements, changes in requirements, scheduling and budgeting, changing technology, diseconomies of scale |
| Project Management | The application of knowledge, skills, tools and techniques to project activities in order to meet project requirements |
| Project Management Responsibilities | Purpose, scope, timeframe, cost, quality |
| Project phases | Initiation, planning, execution, closing, evaluation |
| Outsourcing | The process of hiring another organization to perform a service |
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