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Analysis of Types of Operating Systems

Paper Type: Free Essay Subject: Computer Science
Wordcount: 3130 words Published: 27th Sep 2017

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Task 1

1.0 Introduction

An Operating System (OS) is software that manages computer hardware and software resources, and to provide public services for computer programs. The operating system is an important part of the system software in a computer system. Although it is possible to directly interface software applications and hardware, the vast majority of applications in an operating system, which allows them to take advantage of the public library, without having to worry about the specific hardware details written.

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The operating system manages a computer’s hardware resources, including the input devices, output devices, network devices and storage devices. The operating system also provides services to facilitate the efficient execution and management, and for the memory allocation, any additional software applications installed. For the personal computer, the most popular operating system is DOS, OS / 2 and Windows, but others are available, such as Linux.

The operating system of a large computer system has more work to do. Such operating systems to monitor different programs and users to ensure that everything goes smoothly, without interference, despite the fact that many devices and procedures used simultaneously. In addition, operating system also has a vital role to play in terms of security. Its mandate includes preventing unauthorized users from accessing a computer system.

1.2 Types of Operating System

1.2.1 Microsoft Windows

The Microsoft Windows is an operating system for personal computers made by Microsoft that was released in November 1985. It is used a graphical user interface instead. Input from the user usually comes from using a computer mouse and the commands are run by clicking on the icon representing the virtual cursor controlled by a mouse. There was a small learning curve required to use the Windows properly, but it was more easier to interact with graphical representations than commands and text lines, and there is no special programming language needed to be learned.

The strengths of Microsoft Windows is its ease of use because the user is already familiar with the look of windows and familiar graphical user interface. So, the users can more comfortable in front of a screen. In addition, it also has many office application that are compatible with windows such as Microsoft Office. Microsoft Office is the best office suite around, and Microsoft are make sure that Windows has the best support for it. This is one of the main reasons why Windows users are often reluctant to switch operating systems.

The weakness of Microsoft Windows is its installation is more difficult than the Linux operating system because its need a high resource requirements of hardware such as a faster processor, more internal memory and a larger hard disk. In addition, the other weakness of windows is its price. Microsoft Windows can run between $50.00 – $150.00 US dollars per each license copy. Although Windows does have software programs, utilities, and games for free, the majority of the programs will cost anywhere between $20.00 – $200.00+ US dollars per copy.

1.2.2 Ms-Dos

The MS-DOS is an operating system for personal computers made by Microsoft that was first released in August 1980. It is remembered as the first standard operating system to be adopted by many manufacturers of personal computing machines. It uses a completely text-based programming language to allow users to work with, or interface with, their PC. The Commands are typed into computers at a specific command prompt location on the computer screen using a standard keyboard. Commands must be very precise and correct.The user must specify which commands they want, how they want it to run, and what program or system they want to use on your computer. This requires the user to learn a specific language and syntax rules to use of their computers.

The strengths of MS-Dos is its very lightweight and very stable operating system. It does not have the overhead of a multitasking operating system. It is a contraction for Disk Operating System and it is very fast and stable even on a relatively slow machine. It starts up fairly quickly on most hardware, uses little memory, and allows direct access to hardware, unlike most protected mode operating systems today.

The weakness of MS-Dos was its single-user or single-test system design that couldn’t support multitasking, networking and other sophisticated application required of computer of every size. It is 16-bit and limited to 640k of RAM. In addition, it runs in real mode, so a buggy or malicious program can cause corruption. Today, it is a relic of times past, but its simple structure and user interface make it an accessible learning tool for operating system students.

1.2.3 Linux

Linux is a cross-platform operating system based on Unix. It is the software on a computer that enables applications and the computer operator to access the devices on the computer to perform desired functions. It can be installed on PCs, laptops, netbooks, mobile and tablet devices, video game consoles, servers, supercomputers and more. It enjoys unparalleled popularity among programmers, who contribute enhancements and improvements to the standard code set. The operating system (OS) relays instructions from an application to, for instance, the computer’s processor. The processor performs the instructed task, then sends the results back to the application via the operating system.

The strengths of Linux is characterized by its power, flexibility, and constant maintenance by legions of programmers worldwide while maintaining careful adherence to industry standards. The most appealing aspect of Linux distributions is their cost or available for free. You can download and use a distribution on as many computers as you want. Once installed, updates and patches are also available for free, and updated regularly. In addition, Linux computers tend to be more secure than their Windows counterparts, with less susceptibility to viruses and malware.

The weakness of Linux is many windows programs will not run in Linux such as iTunes, Microsoft Office, Internet Explorer and many other Windows programs. The good news is that there are decent ways around most of these problems. For example, music libraries can be managed with an iPod using programs such asAmarok, Banshee, or Rhythmbox in Linux. In addition, Mozilla Firefox and Google Chrome are outstanding Internet browsers which can be used in the place of Internet Explorer. It is also possible to run iTunes in Linux using Wine, VirtualBox, or Parallels, though it is difficult to have good results.

1.2.4 MAC OS

The Mac OS is a series of Unix-based graphical interface operating systems for Mac computers developed and marketed by Apple Inc that was introduced in January 24, 1984. The first version “Mac OS X Server 1.0” are released in year 1999, and a desktop version “Mac OS X v10.0” followed on March 24, 2001. Mac OS is a development platform that supports multiple development technologies including UNIX, Java, the proprietary Cocoa and Carbon runtime environments, and a host of open source, Web, scripting, database and development technologies.

The strengths of Mac OS is its has a good security that protect the computer. Mac OS has a two-layered system to protect the computer. The attractive GUI sits atop a Unix core, and Unix is best-known for its security features. It’s simply impossible to install a destructive trojan or virus unless the user explicity allows it root access via typing in the admin password. Mac OS’s built-in firewall is set up to work unobtrusively out of the box as well as being highly configurable.

The weakness of Mac OS is its price. All that flashy secure reliable power comes at a price. Macs cost more than machines that run other operating systems. Highly specialized software can be difficult to source for Mac OS, such as industry-specific applications, and businesses you work with may provide files in one of the few non-Mac OS formats left in the computer world, such as Microsoft Publisher.

1.3 Conclusion

In conclusion, some operating systems were developed in the 1950s, where computers could only execute one program at a time. The operating systems are very importance to responsible for everything from the control and allocation of memory to recognizing input from external devices and transmitting output to computer displays. Later in the decade, computers included many software programs, sometimes called libraries, which were linked together to create the beginning of today’s operating systems. Today’s operating systems tend to have graphical user interfaces (GUIs) that use pointing devices for input. A mouse is an example of such a pointing device, as is a stylus. Commonly used the operating systems for IBM-compatible personal computers is include the Microsoft Windows, Linux, and Mac OS X.

Task 2

2.0 Introduction

An executive administrator is also known as an executive assistant, is an administrative professional who provides the clerical and personal support to an executive level manager at major companies. The responsibilities of an executive administrator can be quite extensive and are dependent on the type of industry in which a person works. For example, the responsibilities of an executive administrator in a retail environment might differ from that of one in a steel manufacturing plant. Some of the general duties an executive administrator can expect to perform in an organization include lending support to the human capital management of the organization, assisting in the development and delivery of programs aimed at the transmission of the company’s objectives, and keeping tabs on the financial targets of the company.

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Administrative executives are the primary gatekeepers of the executive offices. They are responsible for the daily administrative activities of the executive offices. Such responsibilities include juggling phone calls, handling mail and offering administrative advice when needed. Administrative responsibilities can sometimes go beyond business and overlap into personal assistance, as well. As highly respected members of the executive team, administrative executives can be relied upon for daily personal needs, such as arranging vacation flights or personal transportation. In addition, administrative executives are privy to highly confidential information among the executive level offices and in other departments.

Another responsibility of the executive administrator is the development and implementation of programs aimed at the furthering the corporate objectives. This might involve organizing a series of meetings with other members of the company’s management, stakeholders and other employees. He or she will also ensure that the information about any new developments in the company is disseminated to the employees and customers by announcing promotions, development of new products, or other forms of news. The process of informing people about new developments may also involve posting such information on the company Web site or sending of emails to the relevant customers or stakeholders.

2.1 Choose Operating System

In my opinion, i will recommend her to installed Windows 7 operating system in her new personal computer because the Windows 7 operating system is most suitable with her job role. This Windows 7 operating system will help her minimize her workload and increase her work efficiency. In addition, Windows 7 also is a “user-centric” version of Windows focused on performance improvements to make it more secure, more reliable, and faster than previous versions of the Windows operating system.

Windows 7 is an operating system for personal computers made by Microsoft. It is the fastest selling operating system in history and more than 5 million licenses have been sold. Therefore, it becomes available in retail branches around the world on October 22, 2009. Windows 7 is built on the Vista kernel. The biggest change many end users between Vista and Windows 7 is faster boot time, a new user interface and increased Internet Explorer 8. The operating system of Windows 7 is widely available in three retail editions that is Windows 7 Home Premium, Windows 7 Professional and Windows 7 Ultimate.

Windows 7 followed Windows Vista and featured various changes from previous operating system. One of these is the Quick Launch toolbar, which completely changed the user how to find a variety of commands and menu options. In addition, Windows 7 also includes items like support for gaming additions, virtual hard disks, and other new features. As the requirements of the machine, Windows 7 just requires a 32-bit or 64-bit processor with at least 1 GHz in order to run, as well as 1 GB of RAM for a 32-bit system, and 2 GB for a 64-bit system.

2.2 Features

The first features of windows 7 is its have aero shake, snap and peek function. Aero shake will use when the user have many open windows on desktop and this feature will minimize all windows except the one you shake. Aero snap is used to resize and expand windows more quickly and easily compare the contents of two different windows. Aero peek is used when the user have several minimized files open in one program. This features will help her minimize her workload and speed up her work efficiency.

The second features of windows 7 is its have an action center function. The Windows 7 action center function is an early warning system of the computer. It allows the users to see what warning or problem Windows 7 shows. It is accessed through the little flag in the lower-right corner. If the little flag in the lower-right corner is white that mean the computer no anything problem. If it has a red “X” over it that mean some important things need user to attention. It is a great for heading off problems before they become bigger. This is a convenient way to control those annoying User Account Control (UAC) messages while not having to disable it.

The third features of windows 7 is its have a jump lists function. The jump list function allows user to view recent documents in a program that is pinned to the taskbar. The jump list provide an easy way to open files, documents, pictures and video from the taskbar. The user just need to right click on program icon from the taskbar and select the file under pinned or recent to open. So, the user can quickly use a jump list to open items from the taskbar. In addition, some program or application software also have jump list function such as Windows Explorer and Internet Explorer.

2.3 Benefits

The first benefit of used windows 7 is decreased computer boot time. The average windows 7 machine will boot will boot up in under 60 seconds. With the decreased computer boot time, the users will no longer have time to run across the street for a mocha while their system starts up. In contrast, the users can get down to work as soon as possible for them. So, this benefit will help the user to minimize her work time and increase her work efficiency.

The second benefit of windows 7 is its compatibility. The flexibility of Windows 7 gives users the ability to run almost any software that is Windows compatible. Windows 7 will work with more accessories and programs than its predecessors, Windows Vista and Windows XP. Microsoft has designed this OS to automatically run any program that was designed for Vista, and it will also be able to run most XP applications in an XP compatibility window.

The third benefit of windows 7 is its have a libraries function. The libraries function provides a new, more intuitive way of organizing and locating documents. Instead of wasting time trying to remember where a previously created document is stored, a user can now search for their documents by type in different “libraries” such as communications, contacts, documents, downloads, music, pictures and videos. Not only will a user see a shortcut for the document they need, they will also gain immediate access to specific data that is pertinent for each type of library. For example: when the “contacts” library is opened, it will show phone numbers and e-mail addresses and when the “downloads” library is opened, it will list the URL source for each download. The libraries are customizable, allowing users to create personalized folders that will keep project documents and files accessible.

2.4 Conclusion

In conclusion, an operating system is a software that manages computer hardware and software resources, and to provide public services for computer programs. The operating system is an important part of the system software in a computer system. Although it is possible to directly interface software applications and hardware, the vast majority of applications in an operating system, which allows them to take advantage of the public library, without having to worry about the specific hardware details written.

Some operating systems were developed in the 1950s, where computers could only execute one program at a time. The operating systems are very importance to responsible for everything from the control and allocation of memory to recognizing input from external devices and transmitting output to computer displays. Later in the decade, computers included many software programs, sometimes called libraries, which were linked together to create the beginning of today’s operating systems.

Today’s operating systems tend to have graphical user interfaces (GUIs) that use pointing devices for input. A mouse is an example of such a pointing device, as is a stylus. Commonly used the operating systems for IBM-compatible personal computers is include the Microsoft Windows, Linux, and Mac OS X. In addition, there really is no such thing as a perfect operating system. However, every operating system has its advantages and disadvantages. Choose the right operating system is very important. So, the user must carefully to choose the operating system. It will help the user to minimize the workload and increase the work efficiency.

 

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