Monday, June 16, 2008

INTRICT ENTRY 6

QUIZ REVIEWER

Discovering Computers 2007 : A Gateway to Information
Shelly Cashman Series

CHAPTER 14

Enterprise
- commonly describes a business or venture of any size.
Enterprise Computing - involves use of computers in networks, such as LANs and WANs.

*Enterprises produce and gather enormous volumes of info regarding costumer, supplier and employee activity.

Functional Units - what consists of an enterprise, includes dept, centers and divisions.

*kung nakinig ka sa discussion ni sir oli. yung relationships ng mga units magegets mo.
check out page 716 for the graph.*

Levels of Users:
Executive Management - strategic decisions
  • President
  • Vice President
  • Chief Executive Officer
  • Chief Info Officer
Middle Management - tactical decisions
  • Personnel Manager
  • Director of public relations
  • Purchasing Manager

Operational Management - operational decisions
  • Office Manager
  • Shop Floor Foreman
  • Supervisor

Non-Management Employees - on-the-job decisions
  • Accountant
  • Engineer
  • Secretary
  • Order Entry Clerk
Decentralized approach - exists when depts/divisions maintain their own info system
Centralized approach - exists when companies maintain central computers supported by a central IT dept.

Enterprise Information - info gathered in the ongoing operations of an enterprise-sized organization.

Managers - are responsible for coordinating and controlling an organization's resources by:
  • Planning - objectives, strategies, tactics
  • Organizing - money, people, management, structure
  • Leading - communications, instructions, motivation
  • Controlling - performance, measurement, corrective action
Managers utilizes a variety of tools and techniques to focus on info that is impt. These tools/techniques includes:
  • BI or Business Intelligence
  • BPM or Business Process Management
  • BPA or Business Process Automation
Information System's Five Components:
  • Hardware
  • Software
  • Data
  • People
  • Procedures
Procedures - is an instruction in which a user follows to accomplish an activity.

Functional Units:

Accounting and Finance
- responsible for managing business' money.

Two Categories:

Financial System:

  • budgeting
  • forecasting
  • cash management
  • investment analysis
  • financial reports

Accounting System:
  • accounts payable
  • accounts receivable
  • sales info
  • cost accounting
  • financial reports
w/ their systems:

Human Resources - responsible for recruiting, evaluating, promoting employees and keeping their records.
  • ERM or Employee Relationship Management system
Engineering or Product Development - responsible for ideas into a product.
  • CAD or Computer-aided design
  • CAE or Computer-aided engineering
Manufacturing - responsible for converting raw materials into physical products.
  • CIM or Computer-integrated Manufacturing
  • MRP or Material Requirements Planning
  • MRP II or Material Requirements Planning II
Marketing - responsible for researching markets, advertising products and developing business.
  • Marketing Information System or Central Repository for Tasks
Sales - responsible for selling the product.
  • Sales force automation software
Distribution - responsible for delivery of products to costumers.
  • Distribution Systems
  • GPS/ Navigation Technologies
Costumer Service - responsible for maintaining a relationship with a costumer.
  • Costumer Interaction Management Software
Information Technology - responsible for designing, purchasing, implementing, testing and maintaining information systems for the rest of the organization.

General Purpose Information System Categories:
  • OIS or Office Information Systems
  • TPS or Transaction Processing System
  • MIS or Management Information System
  • DSS or Decision Support System
  • ES or Expert System
Common Technologies used in enterprises:

  • Portal - collection of links, content and services presented on a Web Page, guides users to info.
  • Data Warehouses - huge database that stores and manages the data required to analyze transactions.
  • EDI or Electronic Data Interchange - set of standards that controls transfer of business data and info among computers.
  • Extranets - portion of a company's network that allows costumers or suppliers of a company to access parts of an enterprise's internet.
  • Web Services - includes new set of software technologies that allows businesses to create products and B2B(Business-to-Business) interactions over the internet.
  • Document Management Systems - allows for storage and management of company's docs.
  • Workflow - defined process that identifies specific set of steps involved in completing particular project or business process.
  • Virtual Private Network or VPN - provides secure connection with company's private network server.
E-Commerce - market sectors/business on the web.
E-Retailing - one of the more visible market sectors of e-commerce.
E-Retail/E-tail - occurs when retailers use web to sell products/services.

>Finance - ex online banking, online trading.
>Entertainment/Media - ex music / videos for sale.
>Health - ex up-to-date medical info.
>Travel - ex online booking, shopping bot.

Enterprise Hardware - allows large orgs to manage and store info and data using these devices geared for heavy use, max availability/efficiency. ex:

  • RAID or Redundant Array of Independent Disks - a more reliable hard disk. Network/Internet Servers often use RAID.
  • NAS or Network Attached Storage - server that is placed on a network that provides storage attached to it.
  • SAN or Storage Area Network - high-speed network providing storage for other servers where it is attached.
  • Enterprise Storage Systems - focuses on the availability, protection, organization and backup of storage in a company
  • Blade Servers or Ultradense Servers - pack a complete computer server, web server/network on a single card.
  • Thin Clients - small terminal-like computers that mostly rely on a server for data storage and processing.

Scalability - measure of how well computer system can grow to meet increasing performance demands.
Utility and Grid Computing or On-Demand Computing - allows companies to use the processing power sitting idle in a network located somewhere else in the world.

Interoperability - sharing of information

Backup Procedures:
  • Disaster Recovery Plan
  • The Emergency Plan
  • The Backup Plan
  • The Recovery Plan
  • The Test Plan
check out page 749-755 for chapter review.

*finally.*

1 comment:

joyse said...

astig. pag grab. thanks