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Application Software
Computer systems contain both hard and software. Hardware is any tangible item in a computer system, like the system unit, keyboard, or printer. Software, or a computer program, is the set of instruction that direct the computer to perform a task. Software falls into one of two categories: system software and application software. System software controls the operation of the computer hardware; whereas, application software enables a user to perform tasks. Three major types of application software on the market today for personal computers are word processors, electronic spreadsheets, and database management systems (Little and Benson 10-42).
A word processing program allows a user to efficiently and economically create professional looking documents such as memoranda, letters, reports, and resumes. With a word processor, one can easily revise a document. To improve the accuracy of one’s writing, word processors can check the spelling and the grammar in a document. They also provide a thesaurus to enable a user to add variety and precision to his or her writing. Many word processing programs also provide desktop publishing features to create brochures, advertisements, and newsletters.
An electronic spreadsheet enables a user to organize data in a fashion similar to a paper spreadsheet. The difference is the user does not have to perform calculations manually; electronic spreadsheets can be instructed to perform any computation desired. The contents of an electronic spreadsheet can be easily modified by the user. Once the data is modified, all calculations in the spreadsheet are recomputed automatically. Many electronic spreadsheet packages also enable a user to graph the data in his or her spreadsheet (Wakefield 98-110).
A database management system (DBMS) is a software program that allows a user to efficiently store a large amount of data in a centralized location. Data is one of the most valuable resources to any organization. For this reason, user desire data be organized and readily accessible in a variety of formats. With aDBMS, a user can then easily store data, retrieve data, modify data, analyze data, and create a variety of reports from the data(Aldrin 25-37).
Many organizations today have all three of these types of application software packages installed on their personal computers. Word processors, electronic spreadsheets, and database management systems make users’ tasks more efficient. When users are more efficient, the company as a whole operates more economically and efficiently.
Your PC registry contains all the information relating to updates, installations of programs, removal of programs etc. Every instance of these events is logged in your computer’s registry. To repair PC registry errors, you can choose to do it manually or you could opt for registry cleaning software. I will be discussing how I managed to clean my PC registry and make it run much more quickly now.
All of the events that are logged in your registry are known as a registry key. This key takes free space from your computer’s resources and causes a slowdown in running day to day processes. The key can become quite large if it is not checked regularly in order to get rid of errors.
A registry cleaner is a software program that will remove data that is no longer in use, or data that is unwanted from the registry key.
This data will include information that has been left behind when uninstalling software from the computer. It will also include settings that are required for malware or spyware to operate.
When you do a scan using this software, it will pick out all these unnecessary entries and repair or delete them. It is a very sensitive, intricate process to edit and clean your registry. The size and complexity of the registry database makes it impractical for you to do it manually.
Registry cleaners include an automatic process of searching for missing file references, broken links and invalid entries in the registry. Once found, they will attempt to resolve the problem.
It is essential that you backup your registry and your files before you make an attempt to fix errors. This is done automatically if you use a registry cleaner. In view of the problems that you could cause by doing a manual fix, it is recommended that you use registry cleaning software to assist with cleaning up your PC. This will ensure smooth, fast start-up and regular functioning of your computer. I personally managed to clean up my computer by downloading high quality registry cleaner software.
