Start FlashCards Download PDF Learn

Get the best Software engineering course in your pocket!

The objective of this session is to introduce the subject of software engineering. When you have read this session you will understand what software engineering is and why it is important, know the answers to key questions which provide an introduction to software engineering, understand ethical and professional issues which are important for software engineers.

Introduction

Virtually all countries now depend on complex computer-based systems. More and more products incorporate computers and controlling software in some form. The software in these systems represents a large and increasing proportion of the total system costs. Therefore, producing software in a cost-effective way is essential for the functioning of national and international economies.

Software engineering is an engineering discipline whose goal is the cost-effective development of software systems. Software is abstract and intangible. It is not constrained by materials, governed by physical laws or by manufacturing processes. In some ways, this simplifies software engineering as there are no physical limitations on the potential of software. In other ways, however, this lack of natural constraints means that software can easily become extremely complex and hence very difficult to understand.

Software engineering is still a relatively young discipline. The notion of ‘software engineering’ was first proposed in 1968 at a conference held to discuss what was then called the ‘software crisis’. This software crisis resulted directly from the introduction of powerful, third generation computer hardware. Their power made hitherto unrealisable computer applications a feasible proposition. The resulting software was orders of magnitude larger and more complex than previous software systems.

Early experience in building these systems showed that an informal approach to software development was not good enough. Major projects were sometimes years late. They cost much more than originally predicted, were unreliable, difficult to maintain and performed poorly. Software development was in crisis. Hardware costs were tumbling whilst software costs were rising rapidly. New techniques and methods were needed to control the complexity inherent in large software systems.

These techniques have become part of software engineering and are now widely although not universally used. However, there are still problems in producing complex software which meets user expectations, is delivered on time and to budget. Many software projects still have problems and this has led to some commentators (Pressman, 1997) suggesting that software engineering is in a state of chronic affliction.

As our ability to produce software has increased so too has the complexity of the software systems required. New technologies resulting from the convergence of computers and communication systems place new demands on software engineers. For this reason and because many companies do not apply software engineering techniques effectively, we still have problems. Things are not as bad as the doomsayers suggest but there is clearly room for improvement.

Quiz PDF eBook: 
Grade 10 Module 2.1 IT Quiz (Part 2)
Download Grade Quiz PDF eBook
10 Pages
2015
English US
Educational Materials



Sample Questions from the Grade 10 Module 2.1 IT Quiz (Part 2) Quiz

Question: What is meant when someone talks about the 'speed and performance of the CPU(s)'?

Choices:

The functionality of the CPU.

The fact that the CPU has more than one core.

The processing of data and the retrieval of information.

The difference between AMD and Intel processors.

Question: Data mining is...

Choices:

securely storing, managing and retrieving large amounts of data.

processing and analysing data looking for valuable information.

effectively managing data for future generations.

Question: What does ICT stand for?

Choices:

Information and Computer Technology

Information and Computing Technology

Information and Communication Technology

Question: What is system software?

Choices:

A set of additional programs that allow you to use the computer to do many different things.

Ensures that the computer starts up correctly.

Manage and control the operation of a computer.

Question: Communication devices allow computers to communicate with each other. Which of these options does not contain equipment used for communication?

Choices:

Modem, Router, Switch

Router, NIC, Modem

Switch, Ethernet, Router

Access point, UPS, Modem

Question: More memory installed on a computer means...

Choices:

less programs and data can be loaded to be processed at one time.

more programs but less data can be loaded to be processed at one time.

less programs but more data can be loaded to be processed at one time.

more programs and data can be loaded to be processed at one time.

Question: What is OSS?

Choices:

It is software that allows the user to change the source code and the user may sell the software after the changes.

It is software that allows the user to change the source code and the user may not sell the software after the changes.

It is software that is free for use and adapt as needed as well as share it afterwards with other users.

It is software that must be bought first, but afterwards the user may change the source code as needed.

Question: Memory is defined as...

Choices:

place where computer stores sets of data and instructions it is not currently working on.

place where computer finds sets of data and instructions it is not currently working on.

place where computer stores sets of data and instructions it is currently working on.

place where computer finds sets of data and instructions it is currently working on.

Question: Which one of the following could be classified as processing? (not input or output)

Choices:

Touching icon on screen of smartphone.

The slip you get at the till at your local supermarket.

Sorting a list of names alphabetically.

Using the remote control of your satellite decoder.

Question: Where do you regularly see POS systems in use?

Choices:

ATMs

Till points

University application systems

Start FlashCards Download PDF Learn
Copy and paste the following HTML code into your website or blog.
<iframe src="https://www.quizover.com/embed/grade-10-module-2-1-it-quiz-part-2-by-christine-zeelie" width="600" height="600" frameborder="0" marginwidth="0" marginheight="0" scrolling="yes" style="border:1px solid #CCC; border-width:1px 1px 0; margin-bottom:5px" allowfullscreen webkitallowfullscreen mozallowfullscreen> </iframe>