Unit 4.1 System software concepts
Unit 4.2 Types of operation systems
Unit 4.3 Utilities and drivers

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finding out outcomes


At the finish of this chapter, you will certainly be able to:

define system software identify the different species of operating systems describe the role of energy programs and maker drivers

INTRODUCTION

In this chapter, you will learn around system software and also the various operating systems such together Microsoft Windows, Linux, iOS and Android. You will certainly learn about an ‘operating system’, the various functions that are lugged out by an operation system, and also how they aid the user in operation a computer device.

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Figure 4.1: An example of what the MS-DOS command line interface, one of the very first operating systems, looked like

UNIT4.1 device software concepts

In chapter 1 girlfriend learnt that software describes the currently of code and computer instructions that tell the hardware of a computing device what to do. In this unit, we will certainly learn an ext about system software and also its other components, namely, operation systems, energy programmes, and an equipment drivers.

SYSTEM SOFTWARE

A mechanism software is a specific kind of software application that manages a computing device. The mechanism software comprises the operating system, energy programmes, and maker drivers. We will look at each of the three parts.

AN operation SYSTEM

An operating mechanism is software that manages hardware, software and other applications top top a computing device. The operating mechanism has different functions and also tasks it carries the end on a computer device. In stimulate to do these features easy come understand, they are grouped right into the following categories:

Disk management: used to regulate the drives mounted in a computer system e.g. Partition drives, layout drives, assign drive letters. Hardware management: controlling the interaction between hardware and software, and also the various hardware devices. Graphics User interface (GUI) management: Provides and manages the user interface that interacts through graphics and visual contents on a computing device. I/O management: managing the signals received from an input an equipment and sending out the exactly signals come an output device. Process management: regulating the applications and the resources provided by applications (Apps) on a computing device. File management: managing the warehouse of files and folders on her storage device. Memory management: controlling the data save on computer on a computer device’s memory and once the processing is complete, this role tends to free up part space. Storage management: Processes used to boost the power of data warehouse resources.

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New words


GUI (or graphical user interface) – a visual means in which users can interact with a computer (including windows, buttons, menus, images, and also text)


activity 4.1 system software


4.1.1Define each job in your very own words and administer an example.

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4.1.2What is the benefit of the storage monitoring system record the day that a record was changed?

4.1.3Use your computer to complete the complying with activity.

a.List the steps you must follow to view your computer’s power (using the Task Manager).

b.Open the Task Manager on Microsoft Windows and write down your computer’s current consumption for the complying with hardware.

i.CPU

ii.Memory

iii.Primary HDD

iv.Network


UNIT4.2 types of operating systems

Up come now, you have been learning about and working through Microsoft windows as an instance of an operating system. This particular form of operating system is typically known as a stand-alone operating system. In this unit, we will emphasis on the adhering to three species of operating systems namely, stand-alone, network and also embedded operation systems.

THE STAND-ALONE operation SYSTEM

These operating systems role entirely independently from a network on a computer or mobile device. This ensures the the work of an operation system deserve to be carry out on the device.

THE NETWORK operating SYSTEM

Network or server operation systems room operating systems designed to aid computers job-related together ~ above a network, rather than supplied in a stand-alone mode. For example, a big company may have actually a server running the windows Server operating system in the organisation. A computer can affix to the very same network come gain accessibility to that information, resources, etc. Instances include: Windows Server, Red hat Enterprise, Ubuntu Server, and also UNIX.

THE embedded OPERATING SYSTEM

The installed operating device is designed because that a particular purpose e.g. Clever TVs that attach to the internet, a video camera (Wi-Fi) that have the right to stream live footage and also the gps system that is mounted in most mobile devices.


task 4.2


4.2.1Indicate whether the complying with statements are TRUE or FALSE. Correct the false statements. Readjust the word(s) in bold message to make the declare TRUE whereby necessary.

a.Embedded operation systems help computers work-related together top top a network.

b.A network operation system is an operating system that is designed come be supplied on its own.

c.Stand-alone operation system is designed to be offered on a single machine with a very specific purpose.

4.2.2Compare the adhering to operating equipment by perfect the table.

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UNIT4.3 Utilities and drivers

Operating systems space not the only kind of mechanism software in the that field. Over there are other additional types of device software. In this unit we will look at the complying with two types:

utility programs device driver programs. UTILITY PROGRAMS

A utility routine is system software the helps individuals to analyse, configure, monitor, or help maintain your computers. Many operating systems encompass a set of straightforward utilities because that users, and extr utilities that could be downloaded if needed. Examples of utilities include:

back-up software that help a user develop back-up copies of the documents on their computer a an equipment manager the helps a user install brand-new hardware such together a mouse, USB, etc.
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Figure 4.2: This is a machine manager indicating that a maker has to be installed and is working properly disk cleaners that helps a user to totally free up space on a warehouse device file managers that allow users to regulate the files that space stored on their computers system (Task Managers) monitors that summarise a computer’s power for the user.

Without this utilities it would certainly be a lot more tough for customers to manage and keep their computers running optimally.

DEVICE DRIVER PROGRAMS

A machine driver is software application that contains a collection of instructions the command a computer’s operating system on just how to connect with the hardware so that it can function properly. Device drivers allow communication between the operation system and also all the devices, such together the mouse, keyboard, printer, etc.

The field of it is forever changing, therefore it would be difficult to develop an operating device that knows how each machine functions or works (especially devices those that have actually not yet been invented). That is therefore that every hardware manufacturer is responsible for developing drivers for your own manufactured devices.

INSTALLING OF gadgets (USING PLUG & PLAY)

Each time brand-new hardware is associated to a computer, the operating system detects and identifies the hardware. Installation of a new machine can then occur in one of two people of the following manners:

Automatic driver installationThe operating mechanism locates the correct driver because that the identified maker in its driver database. Climate it installs castle automatically, permitting the computer system to communicate with the new device without having to reboot the computer. Manual driver installationIf a driver is not accessible from the operating system, a manual installation is required. A hand-operated installation is normally done in home windows via the machine manager or the document set-up. This have the right to be uncovered on the hardware’s accompanying DVD or download from the manufacturer’s website. The DVD will incorporate the driver for that hardware, and it will enable it to duty and interact with the operating system.
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Figure 4.3: The installation of a USB connected device

task 4.3


4.3.1What does the term, utility, refer to? define this term making use of your very own words.

4.3.2Which utility regime would you use in the complying with scenarios?

a.You desire to protect against a virus and also other dangerous program from damaging your computer.

b.You have to install new hardware on her computer.

c.Your computer is slow, and also you should solve this problem.

d.You have to ensure that you execute not lose any kind of important information and files due to the fact that there have been more and more error message on her computer. This error messages tell you that you cannot save your files, and also you realise that your hard drive is liven breaking.

e.You want to save an eye on just how your computer performs.

4.3.3What function does a an equipment driver play.

4.3.4Why is a an equipment driver necessary?

4.3.5Illustrate the steps to install a device, manually and automatically.


Choose the correct answer.

1.Embedded computer systems are discovered in …

a.IOT devices

b.motor cars

c.all the the above.

2.A an equipment manager is ...

a.an applications programme

b.a utility programme

c.an applications tool

3.A desktop computer computer will generally have …

a.a stand-alone operating system

b.a server operating system

c.none the the above.

4.Storage is usually linked with an …

a.HDD

b.SSD

c.all that the above.

5.What is her option should your computer system not have an automatic driver?

a.Download the driver native the manufacturer’s website.

b.Install the driver from the CD/DVD that comes with the hardware.

c.Both A and also B.

6.A driver’s duty is to _____

a.explain come your operation system just how to connect with the plug-and-play device.

b.explain come your operation system how to communicate with the hardware device and make it duty properly.

c.explain to your operation system how to interact with the software an equipment and make it role properly.

7.The following operating systems work directly on computers to ensure certain that the jobs of one operating system are completed.

a.Stand-alone systems

b.Embedded operation systems

c.Network operating systems

8.In order to optimise your computer system by playing music and also using an additional application for her essay, you desire your operating system to clues the exact number of resources to this applications the they have to run so that they deserve to both operation at the exact same time. We contact this the ___________.

a.Process monitoring system

b.I/O administration system

c.Hardware management system.

9.Choose a term/concept from tower B the matches a description in column A. Write only the letter alongside the inquiry number (e.g. 1– A). There can be much more than one answer to a question. Some of the concerns (column A) might have much more than one exactly answer (column B).

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10.Indicate even if it is the adhering to statements room TRUE or FALSE. Compose ‘true’ or ‘false’ alongside the inquiry number. Correct the explain if that is FALSE. Adjust the word(s) in bold message to make the explain TRUE where necessary. You might not simply use words ‘NOT’ to change the statement. NO note will be awarded if just FALSE is created down.

a.The I/O manager makes sure that records are stored correctly.

b.File managers allow users to regulate files that space stored on their computers.

c.Embedded operating systems form the backbone the the internet.

d.RAM is responsible for keeping information that the computer is right now using.

11.In your own words, explain why it is necessary to use drivers.

12.Look at the following advertisements for two computers and also answer the inquiries below:

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a.Your friend wants to beat a video game on his computer, however the game keeps crashing v the following error blog post – “Error: inadequate Memory”.

i.Which that the two computers advertised over will most likely solve this problem?

ii.Explain the factor for her choice.

iii.What does it mean when us say the the operating device is responsible for the memory administration in a computer?

b.The advertisements states that, one computer system has 8 GB RAM and also a 256 GB SSD and also the other has actually 4GB RAM and also a 1 TB HDD. What perform RAM, SSD and HDD mean?

c.Explain the function of a machine driver.

d.Explain system software in your own words.

e.Every computing device must have an operating mechanism loaded, whether it is Windows, Linux, macOS, or Android.

i.Which operating device is supplied by both computers in the advertisements?

ii.What is the main role played by a computer’s OS?

iii.Utility programs are contained when one OS is pre-installed ~ above a computer. Give an example of a utility regimen that is preinstalled.

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f.Which computer system has another type of mechanism software invited apart native the operation system?