CIS 3060 Study Guide 3
CIS 3060 Study Guide 3
Popular in Systems Analysis and Design
Popular in Business Info Systems CIS
This 5 page Study Guide was uploaded by Notetaker on Saturday October 8, 2016. The Study Guide belongs to at California State University Los Angeles taught by in Fall 2016. Since its upload, it has received 33 views. For similar materials see Systems Analysis and Design in Business Info Systems CIS at California State University Los Angeles.
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Date Created: 10/08/16
CIS3060: Systems and Analysis Fall 2016 CIS 3060 Class Notes: Info Gathering - Interview Prep: 1. Background Material 2. Objectives 3. Decide whom to interview 4. Prepare Interviewee 5. Decide on question types and structure Chapter 04: Interactive Methods 1. Open-Ended Questions: a. Benefits: i. Allow Interviewer to pick up the interviewee’s vocab ii. Provide richness of detail iii. Interviewee at ease iv. Make interviewing interesting b. Drawbacks: i. Irrelevant details ii. Lose control , no objective iii. Not gain enough useful info iv. Fishing expedition 2. Close-Ended Questions: a. Benefits: i. Save time, relevant data (Precision) ii. Compare interviews (Easy Analysis) iii. Get to the point (Efficient Use of Time) iv. Control, cover ground b. Drawbacks: i. Boring ii. No rich detail iii. No rapport iv. Fail to address main ideas 3. Probing: a. Follow-Up b. Go beyond the initial question to get more meaning, clarify 1 CIS3060: Systems and Analysis 10/06/16 4. Pyramid structure: a. Specific to general questions 5. Funnel: a. Broad questions → Specific 6. Diamond = Pyramid + Funnel a. Specific→ Broad→ Specific 7. Storytelling purposes: a. Experiential-- Describe a biz b. Explanatory = Why Org acted a certain way c. Validating d. Prescriptive 8. JAD (Joint application design): a. Analyze Human info requirements and design a user interface with users in a group setting b. Benefits: i. Save time than trad. interview ii. Rapid Development iii. Improved ownership of Info iv. Creative development of designs c. Drawbacks: i. Participants= Commitment of a large block of time ii. Less Predictable, if not prepared iii. Judge whether org is committed to this approach A. Questionnaire Guidelines (7): 1. Keep wording simple 2. Be specific 3. Keep questions short 4. Don’t talk down respondents 5. Avoid bias in wording 6. Target questions to respondents who can answer them 7. Ensure Questions technically accurate B. Questionnaire Administration (5): 1. Convening all concerned respondents at 1 time 2. Personally handing out blank ?? and taking complete 3. Allowing respondents to self-admin ??? 4. Mailing ??? to employees and supply deadline, instructions 5. Admin ??? either email or Web 2 CIS3060: Systems and Analysis Fall 2016 CIS 3060 Class Notes: Project Management - Gantt Chart - Tool that enables easily schedule tasks - Analysis phase of project - Simplicity - PERT - Network of Nodes that eval to determine critical activities Chapter 03: Project Management 1. Five Major Project fundamentals? 1. Project Initiation 2. Define Problem a. Problem Definition: i. Present Situation Issue ii. Objectives iii. Requirements iv. Constraints limiting system development 3. Determine Project Feasibility a. Syst. Analysts gather data, decide whether to proceed w/full syst. Study 4. Project scheduling 5. Managing systems analysis team members 2. Systems project selection (Five  criterias) a. Backing for Management b. Timing appropriate for a commitment of resources c. Move the business→ goal attained i. Corporate profits ii. Supporting Competitive Strategy iii. Vendors Cooperation iv. Internal Ops Support v. Internal Decision support 1 CIS3060: Systems and Analysis 10/06/16 vi. Customer Service vii. Employee Morale d. Practical e. Important enough i. Speed Up Process ii. Streamlining iii. Combining Processes iv. Reduce Errors v. Reduce Redundancy vi. Reduce Redundant Output vii. Improve Integration 3. Feasibility (3) (TEO) a. Operational i. Dependent on Human Services b. Technical i. Develop new system w/ current tech resources ii. Staff technically proficient, accomplishing objectives c. Economics i. Resource determination ii. Value of investment 4. Evaluating system hardware(Four  criterias) a. Time Required for Average Transactions b. Total Volume Capacity of the System\ 2 CIS3060: Systems and Analysis 10/06/16 c. Idle Time of CPU d. Memory Size Benefits: Full Control, Tax Advantages, Cheaper in the Long Run (3) Drawbacks: Initial Cost ($$$$), Equipment Obsolescence, Ops and Maintenance (4) 5. Organizational Cloud Computing a. Benefits: Less time, Consistency, Scalable, No capital, No Maintenance (5) b. Drawbacks: Loss of control of data stored, Internet reliability, Security threats, switching cloud providers is hard (4) - SaaS - Cloud vendor sells access to applications - IaaS - Org outsources Hardware Ops needs → Service Provider - PaaS- Internet to rent all manner of hardware 6. BYOD (Bring Your Own Device) a. Benefits: i. Employer: Boost Employee Morale, Lower Initial Cost to Org of Purchasing Mobile b. Drawbacks: Loss of control of data, security threats by untrained users 7. COTS(Commercial Off-the-Shelf) Benefits Drawbacks Reliable & Functional, Refined Program focused Lower Initial Cost Must use existing features Help & Training Comes w/Software Limit Customization Used in other firms Less Ownership Microsoft Office Suite & Oracle Uncertain of vendor finance future 3
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