Monday, September 21, 2009

Week 4: Tech Guide 2

1. What are main differences/distinction between system software and application software?

System software is the class of computer instructions that serves primarily as an intermediary between computer hardware and application programs. System software also facilitates the programming, testing and debugging of computer programs. Two groups of system software include: system control programs (the system that controls the desktop computers, manage file, data, and web servers, manage networks and are used in enterprise level computing environment in large corporations) and system support programs (software that supports the operations management and users of a computer sysemt by providing a variety of support services.). An example of operating software includes the control of the computer and Window XP / Vista.


Whereas application software is programs designed to make users more productive with personal and business tasks, thus allowing them to provide functionality for their specific core. Types of application that are used to perform a particular task include proprietary software which addresses a company’s specific or unique business needs. Specific software a program specifically develop to the accordance of the business requirements and off-the-shelf software, programs that can be purchase in store e.g. MYOB, MS Office, Windows XP.

2. What are the two main types of system software? Provide some examples of their functions.


System software programs support the operations, management and users of a computer system by providing a variety of support services, the main types include: System Utilities, System Performances Monitors, and System Security Monitors.


System Utilities are programs that accomplish common tasks such as sorting records, locating files and managing memory usage. Example of this function in Windows include: File Manager, Backup and Disk scanner / defragment.


System Performances Monitors program is the processing of ‘jobs’ and system performances in areas such as processor time, memory space and application programs, this monitors the processing of jons on a computer screen. Example of this functionality includes: Task Manager.

System Security Monitors program monitors a computer system to protect it and its resources from unauthorised use, fraud, or destruction. An example of this role is evident in Window Personal Firewall and many differentiated anti-virus and anti-spyware tools.


Main Types of System Software - http://en.wikipedia.org/wiki/Computer_software



3. What is the difference between proprietary and open source software? What considerations should be made when a business selects either software.


Proprietary software is software generally controlled by a single company (though the product maybe licensed to resellers). It is usually protected by copyright and licenses, and sold commercially for profit, thus the source code is not available. Example of Proprietary software includes MS Office, and Windows code as it is mostly tightly guided.


On the other hand, Open Source is the source code made freely available to enable the further development of the software. The users of open source generally change, improve, and redistribute the software to others. Open source software is typically free to use, however business model exist that relate to buying it, installing and supporting it, providing training/certification, or in customising it. Example of Open source software include: Apache, Firefox, OpenOffice, and Moodle just to name a few.


Therefore the difference, between proprietary and open source software is that proprietary is that you buy the licence for the software for example Internet Explorer, and can’t change how the format is written, and open source is freely open to the public for example Fire Fox.


Open Source Software vs. Proprietary Software - http://software.ivertech.com/_ivertechArticle13894_OpenSourceSoftwarevsProprietarySoftware.htm
4. What are some of the legal issues involved in acquiring and using software in most businesses/organizations?

The issues involved in acquiring and using software in associations is that you have to own a licence for proprietary therefore you can’t sell the software to others, thus it becomes private software.

5. Choose an Operating System, provide some details on it's developer, it license type and key benefits.

The main system control program is the operating system. The operating system (OS) supervises the overall operation of the computer. One of the key functions is to monitor the computers status and scheduling operations, including the input and output processes. Nevertheless, an operating system includes Microsoft Windows.

Microsoft Windows is a proprietary operating system for the IBM PC. As of mid 2008, Microsoft has held a strong share of the market at 93%. However, the operating system has been used to support applications, such as web servers. Though the most new edition of the operating system included was Windows Vista, as it contained a number of new features and architectural changes along with its new inventions Microsoft Windows will be launching ‘Windows 7’ towards the end of October, 2009.

The development of Microsoft was proclaimed in 1983 as it had an innovative way of creating Windows, as a graphical user interface (GUI) for its operating system MS-DOS, which was formed for the IBM computers and ever since 1981 has been compatible for PCs. From the time of development Microsoft has produced several editions of Windows, thus the product line has transformed from a GUI to an operating system.



The license type of Microsoft Windows is End-User license agreement (EULA) this agreement occurs either on paper or during the installation period (electronically), after reading the term, conditions, and clicking on “accept.” This agreement defines the provisions of the software, and may specify on how many CPUs it is allowed to be installed on.
Benefits of this operating system include:
· It decreases operating expenses
· Increases productivity
· Steady and secure
· Minimize downtime, and
· Affordable.


Microsoft Windows - http://www.microsoft.com/WINDOWS/
Microsoft Windows - http://en.wikipedia.org/wiki/Microsoft_Windows
History of Microsoft Windows - http://en.wikipedia.org/wiki/History_of_Microsoft_Windows

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