Information Systems Analysis And Design Final Exam_spring 2009_isds 4125

1. Which of the following is not a traditional method of collecting system requirements?

Observations

Interviewing

RAD

Document Analysis

Chapter 6

Explanation

Chapter 6

2. _____ is a picture of the movement of data between external entities and the processes and data stores within a system.

Work flow diagram

Data flow diagram

Process Modeling

Context Data flow diagram

DFD New logical system

Chapter 7

Explanation

Chapter 7

3. The process of assessing the degree to which the potential time frame and completion dates for all major activities within a project meet organizational deadlines and constraints for affecting change best describes:

Political Feasibility

Operational Feasibility

Schedule Feasibility

Technical Feasibility

Economic Feasibility

See Chapter 5 page 137 Paragraph 3

Explanation

See Chapter 5 page 137 Paragraph 3

4. A Use Case Diagram shows all of the following EXCEPT:

Relationships between the actors and use cases

The system boundary

The major use cases

The actors

Simba the Rhodesian Ridgeback

Chapter 7, page 227

Explanation

Chapter 7, page 227

5. ___________ can exist in a variety of forms -- as numbers or text on pieces of paper, as bits and bytes stored in electronic memory, or as facts stored in a person's mind.

Data can exist in various forms, whether it is in the form of numbers or text on physical paper, stored as bits and bytes in electronic memory, or even as facts stored in a person's mind. This highlights the versatility and flexibility of data, which can be represented and stored in different ways depending on the context and medium.

Explanation

Data can exist in various forms, whether it is in the form of numbers or text on physical paper, stored as bits and bytes in electronic memory, or even as facts stored in a person's mind. This highlights the versatility and flexibility of data, which can be represented and stored in different ways depending on the context and medium.

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6. Which of the following does Corporate Strategy include?

Mission Statement

Objective Statements

Description of competitive strategy

None of the above

All of the above

See Chapter 4

Explanation

See Chapter 4

7. ___________ refers to objects that you can actually touch, like disks, disk drives, display screens, keyboards, printers, boards, and chips.

Hardware refers to physical components or devices that can be physically touched and interacted with. This includes items such as disks, disk drives, display screens, keyboards, printers, boards, and chips. These tangible objects are essential for the functioning of a computer system and are distinct from software, which refers to the programs and instructions that run on the hardware. Hardware is necessary for inputting, processing, and outputting data, making it a fundamental aspect of any computer system.

Explanation

Hardware refers to physical components or devices that can be physically touched and interacted with. This includes items such as disks, disk drives, display screens, keyboards, printers, boards, and chips. These tangible objects are essential for the functioning of a computer system and are distinct from software, which refers to the programs and instructions that run on the hardware. Hardware is necessary for inputting, processing, and outputting data, making it a fundamental aspect of any computer system.

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8. Which of the following types of DFDs are not used in the systems development process?

New logical

Current logical

New physical

Current physical

None of above

Chapter 7

Explanation

Chapter 7

9. Prototyping is most useful for determining project requirements when:

There is a tendency to avoid creating formal documentation.

Multiple stakeholders are involved in the system.

User requirements are not well understood.

Tools and data are not readily available to rapidly build systems.

See Chapter 6

Explanation

See Chapter 6

10. Which of the following has disrupted the belief that managers must make all the decisions?

Decision support tools

Advanced telecommunications networks

Expert systems

ISDS Major

Distributed databases

Chapter 6

Explanation

Chapter 6

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12. _____ _____ ____ _ ____ is the definition for the complex organzational process whereby computer-based information systems are developed and maintained.

Information systems analysis and design refers to the complex organizational process of developing and maintaining computer-based information systems. This process involves analyzing the requirements of the system, designing the system architecture, and implementing and testing the system to ensure its functionality and effectiveness. It encompasses various techniques and methodologies to ensure that the information system meets the needs of the organization and its users.

Explanation

Information systems analysis and design refers to the complex organizational process of developing and maintaining computer-based information systems. This process involves analyzing the requirements of the system, designing the system architecture, and implementing and testing the system to ensure its functionality and effectiveness. It encompasses various techniques and methodologies to ensure that the information system meets the needs of the organization and its users.

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13. In ___ ___ ___ a complete set of information. Records are composed of fields, each of which contains one item of information. A set of records constitutes a file. For example, a personnel file might contain records that have three fields: a name field, an address field, and a phone number field.

Database management systems are used to store and manage large amounts of data. They provide a way to organize data into records, which are composed of fields that contain specific information. These records can then be grouped together to form a file. In the given example, a personnel file is mentioned, which would be a file containing records with three fields: name, address, and phone number. Therefore, database management systems are the correct answer as they allow for the creation and management of such files and records.

Explanation

Database management systems are used to store and manage large amounts of data. They provide a way to organize data into records, which are composed of fields that contain specific information. These records can then be grouped together to form a file. In the given example, a personnel file is mentioned, which would be a file containing records with three fields: name, address, and phone number. Therefore, database management systems are the correct answer as they allow for the creation and management of such files and records.

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16. Characteristics of a good systems analysts during the requirements determination subphase include:
(Check all that apply)

Attention to details

Impartiality

Impudence

Relax Constraints

Reframing

See Chapter 6, page 162

Explanation

See Chapter 6, page 162

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20. _____________ the term refers to an interactive computerized system that gathers and presents data from a wide range of sources, typically for business purposes. _________ applications are systems and subsystems that help people make decisions based on data that is culled from a wide range of sources.

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Explanation

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