Information Science
Unit II Homework Assignment
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Operating Systems |
Descriptions |
Pros |
Cons |
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1. Windows OS |
Microsoft windows is the most popular operating system developed in the 80s. It is divided into two MS DOS and Windows NT
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It has a large Freeware and Shareware library of applications
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It has low security. Is most prone to virus and spyware programs. It has so many publications that it is generally unstable. It has limited access to freeware open source programs’ library. |
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2.Mac OS |
Developed for Apple Computer’s Macintosh PCs and workstations.
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High security Has almost none of virus and spyware programs. Draws strength from its content creation capabilities. Requires low technical skills to use. |
Has minimal support. All hardware programs are handled at Apple. Is most expensive to acquire Such that it is thought to be so due to its low maintenance requirements |
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3.Linux OS |
Is distributed together with its source code under terms of General Public Licensing (GPL).
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It is free but allows donations to projects. Is highly compatible with most hardware but however lacks driver support of OSX and Windows. Nonetheless it prides itself in having the broadest driver support of any system. |
Requires technical skill to use due to a lot of options Reaching Linux by the greatest and largest hardware is typically slower.
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4.Android OS |
Is the most popular mobile operating system. It supports smartphones, tablets, eBook readers and computers.
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· Is Flexible. Supports a wide range of devices. It is the most flexible of the previous three. · Supports widgets. |
· Low reliability. · Lacks Simplicity. · · · · · |
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5.iOS |
Developed for the Apple iPhone, is a derivative of the Mac OS.
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· Comes with a lot of accessories. · It has consistency across all platforms and applications. It is reliable. iPhones almost never slack. · · · ·
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Is Expensive as are iPhones. Largely lack personalization options. Apple devices lack titles or widgeting. The device range is limited.
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2. List seven categories of software, and describe each one with no less than 75 words per category.
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Software Categories |
Description |
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1. Packaged Software |
Packaged together as a bundle of software programs, this program is used collectively and has homogenous features and functionality. An example is Microsoft Office which entails Microsoft Word, MS Excel, and MS Publisher etc. The software programs may sometimes have options to buy singularly but it is more advisable to purchase the whole package. =. |
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2. Custom Software |
A software that is tailor-made for a particular user. It only entails the features and capabilities desired by the user who it is developed for. Compared to off-the-shelf software, it is more preferable as it is user-specific. It is mostly acquired by huge organizations for more critical functionality.
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3. Web Based Software |
It is a software installed on servers that are connected to the internet. To use it, you must connect to these servers via the internet. Is more popular with media sites and email applications such as Yahoo and Gmail. Others include applications pertinent to Finance and Accounting, Retail sales and Navigation. Has capability of being housed in Cloud technology. It reduces cost as there is no need to install physically software in any device thus more efficient for business.
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4. Open Source Software |
It is software whose source code is made available to the public. This enables modification, redistribution and use of the software for functions pleased. It is mostly developed out of collaborations with the public. Nobody holds exclusive ownership rights to this software and is customarily managed by a company. Examples include Mozilla Firefox web browser, VLC media player and the Unix series of operating systems.
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5. Shareware |
Shareware is proprietary software provided to user free of cost initially. It is often packaged as downloadable off the internet. It initially offers a period of free use. After such a time the user may be required to upgrade and enter a membership where they would subscribe or by a consumer version of the software. Shareware is broken down into adware, donation ware, demoware, nagware and freemium software.
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6. Freeware |
Freeware is software provided to the user for free. Its difference with open source software is that re-distribution and modification without permission from the owner of its rights is prohibited. Its source code is not conventionally available to the public. Even though it is provided for free, it is mostly used by its developers to promote other versions of itself that hold more features and capabilities. Examples include Skype and Adobe Acrobat Reader.
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7. Public Domain Software |
Public Domain Software is software open to the public where no ownership rights, patents or trademarks are imposed. It can be modified, sold or distributed by anyone without requirement of permissions from anyone. A waiver verbalization is used to conventionally take all rights from its developed. This requires that the person is no longer taken as it pristine author.
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3. Demonstrate that you can manage files on your computer by looking at the files on your computer and locating at least five files or folders that should be renamed or relocated to improve the organization and make it easier to locate information on your computer. Take a screenshot of the “before” look of the files, and take a screenshot of “after” you make changes to your files. Copy and paste the screenshots into this template.
4. Browse and search the Internet for public domain software. View the software’s requirements and then check your computer system. Will this software run on your system? Why, or why not?
Indeed, my computer meets the minimum requirements to acquire i.e. download public domain software. This will take just my overriding of the security software I have in my computer so as to facilitate the download of such a program and its use on my device.
It is with intent that I avoid such public domain software as its source code can be highly manipulated as it is in the public domain. This is due to there being no ownership in the form of patenting, trademarks or copyrights. Public domain software can be modified, distributed and sold even without attribution to anyone, a thing that is uncommon of copyrighted software where usage rights granted are limited.
5. Download a free mobile app that has a practical use. Write an evaluation of the app. If you do not have the capability to download an app, choose an app, research it, and write an evaluation based on your research.
ASDA- clients of ADSA applications are able to shop and pay for goods on their cellphones promptly with inclusion of utilization options for an identification scanner that is standard. This application adjusts records of shopping for its clients providing clients with the ability to shop from their favorite stores. Also, to see Asda’s oil cost at their nearest gas station and discover the closest ASDA shop to them. The application also uses prevalent formulas that highlight recommendations to help their customers during food shopping. (Available on Android & iOS).
EDF Energy- this application enables it users to handle their power and gas accounts on their mobile devices. It rapidly submits meter readings by sharing a photo of the meter. The lately refreshed self-service feature enables customers to ask for duplicates of their bills on paper and adjust their immediate charge summations, offering sparing vitality options. This application makes it easy for users to continue their utilities and have knowledge of their outgoings. (Available on Android & iOS).
Autoglass- clients of this application can quickly analyze the damage to their windscreens or side windows to find out what is required to repair the glass. A full outline of branch areas can be shown on a guide and customers can pick when they would want to have the repair completed and a prediction gauge of what it will take and how much it will cost. (Available eon Android & iOS).
6. On page 181 of your textbook is a concept map. Fill in the table below to show the hierarchy of software.
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a. |
Application |
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b. |
System |
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c. |
Office |
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d. |
Utility |
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e. |
Device |
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f. |
Languages |
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g. |
Security |
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h. |
Antivirus |
7. On page 243 of your textbook is a concept map. Fill in the table below to illustrate the hierarchy of OS resource management activities.
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a. |
File |
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b. |
Program |
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c. |
Damage |
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d. |
Cloud |
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e. |
Root |
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f. |
Network |
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g. |
Sectors |
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h. |
File |
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i. |
Multiprocessing |
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j. |
Command |
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k. |
Graphical |