sad Flashcards
- hardware, software, and services that people use to manage, communicate, and
share information.
INFORMATION TECHNOLOGY (IT)
Step-by-step process for developing high-quality information systems.
SYSTEMS ANALYSIS AND DESIGN -
- they plan, develop, and maintain information system. Manages IT projects, conduct meetings, delivers presentations, and writes memos, reports, and
documentation.
SYSTEM ANALYST
-Technical Knowledge
-Communication Skills
-Business Skills
-Critical Thinking Skills
-Education
-Certification
KNOWLEDGE, SKILLS AND EDUCATION (system analyst role)
- is a set of related components that produces specific results.
SYSTEM
FIVE KEY COMPONENTS
HARDWARE
SOFTWARE
DATA
PROCESSES
PEOPLE
‣ information systems that support company-wide operations and data management requirements
ENTERPRISE COMPUTING -
systems process data generated by day-to-day
business operations
TRANSACTION PROCESSING -
provide job-related information
support to users at all levels of a company
‣ BUSINESS SUPPORT -
- uses a large database called a knowledge base
- Allows users to find information by entering keywords
KNOWLEDGEMENT MANAGEMENT
technology that improves
Productivity. Groupware
USER PRODUCTIVITY -
the personal digital assistant. Enhanced with artificial intelligence and machine learning capabilities.
‣ DIGITAL ASSISTANTS -
most large companies require systems that combine transaction processing, business support,
knowledge management, and user productivity features.
SYSTEM INTEGRATION -
Develop long-range strategic plans, which define the company’s overall mission and goals
TOP MANAGERS -
provide direction, necessary resources, and performance feedback to supervisors and team leaders
MIDDLE MANAGERS AND KNOWLEDGE WORKERS -
- oversee operational employees and carry out day-to-day functions
SUPERVISORS AND TEAM LEADERS
- rely on TP systems to enter and receive data they need to perform their jobs
OPERATIONAL EMPLOYEES
- refers to the reasons, or
justification, for a proposal.
BUSINESS CASE
Internal Factors
-Strategic Plan
-Top Managers
-User Requests
-Information Technology Department
-Existing Systems and Data
External factors
-Technology
-Suppliers
-Customers
-Competitors
-The Economy
-Government
examines operational, technical, economic, and schedule factors
A feasibility study
-Identify the hardware, software, and network resources needed to develop, install, and operate the system
TECHNICAL FEASIBILITY
-Apply the financial analysis tools
-The cost-benefit data will be
ECONOMIC FEASIBILITY
-Include stakeholder expectations regarding acceptable timing and completion dates
SCHEDULE FEASIBILITY
Typical Report Includes:
-Introduction
-Systems Request Summary
Findings—
Recommendations—
Project Roles
Time and Cost Estimates
Expected Benefits
Appendix
- IDENTIFY ALL PROJECT TASKS AND ESTIMATE
THE COMPLETION TIME AND COST OF EACH
PROJECT PLANNING
- CREATE A SPECIFIC TIMETABLE THAT SHOWS
TASKS, TASK DEPENDENCIES, AND CRITICAL
TASKS THAT MIGHT DELAY THE PROJECT
PROJECT SCHEDULING
- GUIDING, SUPERVISING, AND
COORDINATING THE PROJECT TEAM’S
WORKLOAD
PROJECT MONITORING
- CREATE REGULAR PROGRESS REPORTS TO
MANAGEMENT, USERS, AND THE PROJECT
TEAM ITSELF
PROJECT REPORTING
- DEVELOPED BY MECHANICAL ENGINEER AND MANAGEMENT
CONSULTANT HENRY L. GANTT ALMOST 100 YEARS AGO - SHOWS PLANNED AND ACTUAL PROGRESS ON A PROJECT
- TIME USUALLY DISPLAYED ON HORIZONTAL AXIS
- TASKS SHOWN ON VERTICAL AXIS
GANTT CHART?
- PROGRAM EVALUATION REVIEW TECHNIQUE (PERT)
- DEVELOPED BY THE U.S. NAVY TO MANAGE COMPLEX PROJECTS
- CRITICAL PATH METHOD (CPM)
- SIMILAR TO PERT, DEVELOPED BY PRIVATE INDUSTRY
- MOST ANALYSTS CALL BOTH A PERT CHART
PERT/CPM CHART?
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