MIS 430 Exam 2 Study Guide Solutions

MIS 430 Exam 2 Study Guide Solutions Technology Infrastructure - Ans:-ontext refers to an enterprise's entire collection of hardware, software, networks, data centers, facilities and related equipment used to develop, test, operate, monitor, manage and/or support information technology services Moore's Law - Ans:-(paraphrased) the processing capability of computers will double every (approximately) two years (actually, it has been progressing at a pace of doubling about every 16-20 months) Metcalfe's Law - Ans:-(paraphrased) the value of a network increases exponentially as the number of users on the network rises (For example, now that a lot of consumers are on the Internet, it is attracting more businesses. Role of Technology standards - Ans:-establish specifications and procedures designed to ensure the reliability of the materials, products, methods, and/or services people use every day. consistent protocols that can be universally understood and adopted Network Attached Storage (NAS) - Ans:-a server placed on the network with the sole purpose of providing storage to the users and systems attached to that network ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 2/21 Convergence computing - Ans:-coming together of two or more distinct entities or phenomena. is increasingly prevalent in the IT world; in this context the term refers to the combination of two or more different technologies in a single device Convergence communication - Ans:-networks that have arisen as the result of the evolution and popularization of the Internet as well as the activities, products and services that have emerged in the digital media Supercomputers - Ans:-Very Large, Very High Capacity, Multi-User, Massively Parallel Processing, Very Fast at Computationally Intensive Applications, Very Expensive, Example: Cray Mainframe - Ans:-Very Large, Relatively High Capacity, Usually Multi-User, May or May Not Have Parallel Processing Capabilities, Relatively Fast Processing, Expensive, Used for "Big Iron" Transaction Processing and as Corporate Database Engines in Many Organizations Today, Example: IBM Minicomputer - Ans:-Medium-sized, Medium capacity, Usually Multi-User but Single-User Installations Can Be Found, Most Are Single-Processor Machines Although Parallel Processing Models Can Be Found, Moderately Expensive, Usually Scalable Across A Range of Activity, Used for Main Processing in Many Small and Medium-sized Businesses or as a "Front-End" Processor to the Mainframe Computer in Corporate Settings, Examples: DEC VAX series or IBM AS400 Workstations - Ans:-Cost Between a Minicomputer and a Microcomputer, May Be Multi-User In Secretarial or Accounting Applications But Often Single-User Machines in Drafting and Design Applications, Physical Size is Usually Not Much Larger Than a Desktop Microcomputer, Most Have ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 3/21 Extremely Fast Single Processors But A Few Can Be Ordered With Parallel Processing Capabilities, Examples: SUN Microsystems or Hewlett-Packard Workstations Microcomputers - Ans:-Usually Relatively Low Cost, Generally Single-User (at a time) Machines, Very Prevalent as a Form of Computing, Usually Smaller in Physical Size than Workstations or Minicomputers, Usually Contain A Single Processor (Although Dual and Quad Processor Machines Can Be Found), Almost Endless Applications Have Been Made of This Class of Computers, Examples: IBM PC, Apple MacIntosh, Compaq, Gateway, Packard-Bell, Toshiba, and numerous other vendors Subcategories of the Microcomputers - Ans:-Desktops, Luggables, Laptops, Notebooks, Sub- Notebooks, Palmtops, Personal Digital Assistants (PDAs), Pen-Based Computers, Wearable Tab Computers, PC-on-a-Chip Computers, Tablets, Smartphones, and numerous other forms Virtualization - Ans:-means to create a virtual version of a device or resource, such as a server, storage device, network or even an operating system where the framework divides the resource into one or more execution environments service-oriented architecture (SOA) - Ans:-is a style of computer software where services are provided to the other components by application components, through a communication protocol over a network. The basic fundamental principles of service oriented architecture is independent of vendors, products and technologies ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 4/21 Total Cost of Ownership (TCO) - Ans:-is an estimation of the expenses associated with purchasing, deploying, using and retiring a product or piece of equipment database management system (DBMS) - Ans:-software that handles the storage, retrieval, and updating of data in a computer system Database model is used the most today - Ans:-relational database model Normalization - Ans:-tries to prevent or avoid anomalies. Carefully researched rules for splitting large database tables into many smaller, linked tables are employed Data Warehouses - Ans:-a huge database center that houses many large databases Data Mining - Ans:-using automated techniques to disco