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Exam 1 Review - CIT 176 Exam 1 Review Chapter 1 Your Need...

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CIT 176 Exam 1 Review Chapter 1: Your Need to Know Systems Development Life Cycle (SDLC)- process of creating or altering systems. The series of steps IS professionals follow when developing an IS. Unified Process- A modern SDLC. Under the SDLC, an IS is built in a series of 4-6 week repeated steps called iterations. Unified Process Disciplines- 6 disciplines, where as Rational UP has 9. -Business Modeling & Requirements: to understand the system environment and tasks the system must perform. -Design: to determine structure of a specific information system that fulfills system requirements. First set of design activities, called architectural design, selects and describes exact configuration. Detailed design is narrower in scope and is constrained by information architecture. -Implementation: to build, acquire, and integrate application software components. -Testing: to verify correct functioning of infrastructure and application software components and ensure they satisfy system requirements. This can be skipped. -Deployment: to install and configure infrastructure and application software components and bring them into operation. Roles & Job Titles Application Developers- Require in depth knowledge of hardware and system software. Contribute to different part of SDLC. -Systems analyst (business modeling and requirements). -Systems designer (design discipline, sometimes deployment). -Application programmer (builds and tests software). Systems Programmers- Require in depth knowledge of system software, computer hardware, and networks because they directly control computer hardware or interact with networks. Have degrees in Computer Science or Computer Engineering. -Develop system software (operating systems, compilers, database management systems, network security monitors). -Perform hardware troubleshooting and software installation and configuration. -Microsoft, ORACLE and Borland employ many. Hardware Personnel- Design, install, and maintain hardware. -Technical degree and/or vendor-specific training (lower level). -Degree in computer science or computer engineering (higher level). -Require extensive knowledge of computer hardware (processing, data storage, input/output, and networking devices).
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Systems Managers -Computer Operations Manager: Oversees operation of large information– processing facility (scheduling, staffing, security, system backups, maintenance, upgrades). -Network Administrator: Responsible for network infrastructure and local area network (LAN). -Database Administrator: Responsible for management of large collections of data. Requires technical expertise and ability to help the organization exploit its data resources. -Chief Information Officer (CIO): High-level manager of a large organization with a substantial investment. Responsible for organization’s computers, networks, software, and data, as well as the strategic planning and the effective use of information and computing technology. Must have a broad base of technical knowledge to interact effectively with all technical specialists and a
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