Chapter 1

Question 1

Software engineering is concerned with what kind of software-development?

Answer 1

Cost-effective

Question 2

What are the attributes of a good software?

Answer 2

Should deliver a required functionality and performance to the user. And be maintainable, dependable, usable.

Question 3

Software is

Answer 3

Associated documentation, libraries, support websites, configuration data, program

Question 4

What are key distinctions of professional software development?

Answer 4

Intended for use by someone apart from its developer
Teams develop rather than individual
Maintained and changed throughout its life

Question 5

What is software engineering?

Answer 5

Engineering discipline that is concerned with all aspects of software production. From initial conception to operation and maintenance.

Question 6

Software costs are greater than

Answer 6

Hardware costs

Question 7

Failure to use software engineering methods may lead to…

Answer 7

more expensive and less reliable software

Question 8

“Software failure” is a consequence of what factors?

Answer 8

1. Increasing system complexity
2. Failure to use software engineering methods

Question 9

Why software engineering is critisized?

Answer 9

Because it is considered as inadequate for modern software development

Question 10

What is software?

Answer 10

Computer programs and associated documentation. Software products can be developed for a particular customer or for general market

Question 11

What are fundamental software engineering activities?

Answer 11

Software specification
Software development
Software validation
Software evolution

Question 12

What is the difference between software engineering and computer science?

Answer 12

CS focuses on theory and fundamentals. SWE is about practicalities of developing and delivering useful software.

Question 13

What are the costs of software engineering?

Answer 13

Development costs 60%
Testing costs 40%
For custom software evolution cost exceed development costs.

Question 14

For a system with a long life, which cost is usually higher?

Answer 14

Maintaining costs

Question 15

Software costs are more about ____ than ____

Answer 15

Maintaining, developing

Question 16

What are generic products?

Answer 16

Stand alone systems that are produced by a development organization and marketed and sold to any customer who wishes to buy them

Question 17

What are examples of generic products?

Answer 17

Software for PC such as database
Apps for mobile devices
Word processors
Drawing packages
Project management tools

Question 18

What are customized (or bespoke) software?

Answer 18

Designed and developed specifically for a particular customer. They are commissioned by them to meet their own needs.

Question 19

What are the examples of customized products?

Answer 19

Control systems for electronic devices
Systems written to support particular business process
Air traffic control system

Question 20

Product specification of generic products are defined by whom?

Answer 20

Software developer themselves can decide what to change and develop

Question 21

The specification of customized products are owned by?

Answer 21

The organisation that is buying the software. Software developers must work to their specification.

Question 22

How systems from SAP, Oracle work?

Answer 22

They are built with a generic product as a base and then can be adapted by the company to meet their requirements.

Question 23

What is engineering discipline?

Answer 23

Using appropriate theories and methods to solve problems considering company’s organizational and financial constraints.

Question 24

What are “All aspects of software production”?

Answer 24

Software engineering is not only about technical process of development. It also includes project management, the development of tools, methods, and theories to support software development.

Question 25

What are the issues that affect many different types of software?

Answer 25

Heterogeneity
Business and social change
Security and trust
Scale

Question 26

What is heterogeneity about?

Answer 26

We have to build dependable software that will be flexible to cope with running on different types of computers and mobile phones, tablets. And they have to integrate with older legacy systems written in different languages.

Question 27

What is the problem with business and social change?

Answer 27

Engineers should be able to change their existing software and quickly develop a new one, with the change of society and evonomy.

Question 28

What is the problem with security and trust?

Answer 28

We have to make sure that no one can attack our software and that information security is obtained.