System analysis and design

What is the meaning of data?

• Step by step process for developing high quality information systems

• Combination of hardware software and services that people use to manage communicate and share information.

• The raw material that an information system transforms into useful information.

• Consists of programs that support day-to-day business functions and provide users with the information they need.

The Observer design pattern is used to______

• encapsulate how a set of objects interact.

• defer instantiation of a class to its subclasses.

• decouple an abstraction from its implementation.

• notify other objects about updates.

What is project scope?

• Reasons or justification for a proposal.

• A specific determination of a project's boundaries or extent.

• The process of identifying long-term organizational goals.

• An examination of a company's strength, weaknesses, opportunities and threats.

Install and test new system is done in which phase?

• Planning
• Analysis
• Design
• Implementation

_________ The process of understanding and specifying in detail what the information system should accomplish.

• Analyst

• System Analysis

• Information System

• System Design

What is a task?

• Identify plans to control or limit the risk.

• Breaking a project down into a series of smaller tasks.

• An event that could affect the project negatively.

• Any work that has a beginning and an end and requires the use of company's resources such as people, time or money.

Problem analysis is done during

• System design phase

• Systems analysis phase

• Before system test

• All of the above

_________ The process of specifying in detail how the many components of the information system should be physically implemented.

• Analyst

• System Analysis

• Information System

• System Design

Who participates in the system

development life cycle?

• application and system programmer

• policeman

• maths teacher

• network engineer

what does "Design" means?

• Study the project in order to determine if it is

  worth pursuing and recommend the solution of

  the proposed system

• To provide ongoing assistance for an information

  system and its users after the system is implemented.

• Specifying hardware and system requirements

  and defining overall system architecture of a

  new or modify system.