Running Head: Data Input, Output, Storage and Speed Methods of Data Input, Output, Storage and Speed Kenneth Sparks University of Phoenix Methods of Data Input, Output, Storage and Speed We all should know and understand that accuracy of data input is important. In today’s society we rely on data input by others in almost everything we do. Knowing how the most efficient way of inputting data can aid in daily functioning. You can be prepared for what a support person may ask and know in what format to provide the answer. By knowing this you may also be able to prevent fraud and other scams that can have an adverse effect on your daily life.
This paper will explore a small sampling of input devices, some forms of output, and storage devices. The last part of this paper will examine what affects the speed of a computer. We have all heard or used the term ‘my computer is slow; it’s taking forever to process this request’. What is meant by those phrases? I will address four items of almost every modern computer in an effort to explain. When examining the input of data one finds many different ways or types of information that can be stored on a computer. But what are the best methods and why? Contained are five items one would use to input data into the computer.
Printed Questionnaire; we fill these out in doctors’ offices, pharmacies, schools, and even the U. S Census uses this method of input. One of the quickest and most efficient methods would be using a pre-printed answer card that all one has to do is fill in the circle. When fed into a reader the system automatically tracks the responses and produces a report as dictated by the organizer. Another way is by having established questions and answers on the computer and all the user has to do is ’key’ in their answer. Once finished all the data is stored and the report can automatically be generated.
Telephone Survey; most of us are very familiar with this method of gathering data and dread those evening calls. But this is a very good method for companies to gather data. There are two ways this method works, one is voice recognition. This methods has you answer basic yes and no or answers containing only numbers. It is fast and efficient; today’s recognition programs easily identify this type of input. The second way this is used is via push button (keypad) input. All one has to do to respond is push the designated key and the system will move on to the next question.
Bank Checks; almost everyone has a bank account and checks, although these may become a thing of the past due to the technology of online bill pay. The old method would be for the for a teller or bank employee to hand type in all the information before adjustments to an account could be made. Today an Optical Scanning device called Magnetic Ink Character Recognition (MICR) allows for a quick scan and routing of the check to the proper bank. If you look at the bottom of a check you will see two large sets of computer generated numbers, this is what MICR reads and routes to the proper bank.
Many banks still have to type in the amount, but this method is much quicker and more efficient. Retail Tags; if you have purchased any type of clothing recently you will be familiar with this type of input. As you go to check out the clerk passes the bar code cross a scanner and your amount charged is displayed. The scanner is called an Optical Scanning input device. It automatically reads the bar code and process the data this moving beam scanner eliminates human error (Anonymous, 2009). The data processed is more than just the price, it affects inventory and is used to generate reports necessary for the retailer and manufacturer.
Another method that is gaining popularity is Radio Frequency Inventory Device (RFID). This is when a microchip is placed on or in an item that allows store readers to constantly count the inventory on the shelves and helps with loss control (Reynolds, 2006). Long Documents; this refers to multipage reports handwritten or typed on paper. These documents should be scanned and stored as images. You can then add descriptive tags for easy retrieval. An Optical Reader could also be employed to make the text searchable (Flaker, 2008).
All businesses have records retention issues, be it mandatory time to keep records or just from an historical reason. Printed records take up space and time when searching for something. By reading them into a computer you reduce space used, time needed to retrieve a record and is more environmentally friendly. Now let’s examine the convenience and quality of output from a device. Again I will attempt to explain the best method and why. The first item is the Hand Held Computer; the best method of obtaining output is via a USB port on the side of the device.
It will allow you to connect to another computer to push the data stored there. You can always use it to send email, text or post bits of information. Color Photograph; Laser printers are the best method of producing this type of output. They are clear, crisp and extremely convenient and affordable. A majority of today’s photo studios use this method. Resume and Memorandum; again the Laser printer is the best method as it can reproduce this document on many types of media and provides a neat clean appearance. Statistical Reports; the best output would be in Excel Spreadsheet format.
This allows the data to be manipulated as needed and creates an orderly report based on the operator selected fields. Company annual reports; would best be suited to large multi page documents as well as Power Point slides. This would allow a wider audience access to the report and keep it in a logical format. Storage devices are optimized for different situations. The following will examine some common yet different devices and what they are best suited for. Hard Disk; this allows direct access to stored data. The read/write head can move directly to the location of a desired piece of data reducing time.
This is best suited for storing large bits of information and programs for a computer. Floppy Disk; this is considered a secondary storage and offers the great economy, access and portability. The down side is limited storage capacity, however this is changing constantly. Today’s storage media is larger than some mainframe computers of the past. This is excellent for transporting information from one location to another (Reynolds, 2006). RAM; Random Access Memory is a form of temporary memory. This is very volatile in that if there is a power disruption you will lose your data.
RAM allows you to retrieve or restore documents that may have been mistakenly deleted before they were saved. CD ROM; has a large storage capacity, very transportable. It allows storage many forms of media to include music, pictures and movies. Tape Drive; is very much slower than disks but less expensive. Magnetic tape is usually used to back up disk drives and to store data offsite for recovery in case of a disaster (Reynolds, 2006). Flash/Jump Drives; are simply an expandable storage device that allows you to add storage capacity by inserting a removable disk or cartridge into a USB port on your computer.
The devise can be used to back up files or transfer large files to another location. The last area discussed is what effects processing speed. Random Access Memory (RAM), this is a form of memory primarily that is used to store data temporarily. RAM chips lose their contents if the current is turned off or disrupted, such as in an electrical storm. These chips are mounted directly on the main circuit board; the more RAM the more memory and the faster the system works. Clock speed is a series of electrical pulses produced at a predetermined rate that affects the computer cycle time.
Every instruction takes at least the same amount of time and the interval between pulses (Reynolds, 2006). You can gain system speed if you can shorten the interval between those pulses. Data on Hard Disks are another source that affects system speed. Your reader can go directly to the bit of information without having to read the entire disk trying to find it. This is referred to as direct access, and significantly speeds up the system. The last thing effecting system speed addressed is Data on CD ROM affects speed because the computer has to read the disk until it finds the requested information.
This storage device is very secure as its data is not volatile and once recorded cannot be modified. References Works Cited Anonymous. (2009). Answers. com. Retrieved Oct 27, 2009, from Wiki Answers: http://wiki. answers. com/Q/What_is_the_best_method_of_data_input_for_Retail_tags Flaker, J. (2008, Oct 19). Just Answer. Retrieved Oct 28, 2009, from Just Answer. com: http://www. justanswer. com/questions/1i9xq-method-data-input-b-best#ixzz0VAH2KkQ2 Reynolds, R. S. (2006). Fundamentals of Informaiton Systems, Third Edition. Boston: Kristen Duerr. CIS 319 – Week Two Individual Paper
CriteriaPercent PossiblePercent Earned Content: 1. Input devices 2. Output devices 3. Storage devices 4. Processing devices 50 50 Use of research1010 Organization, formatting, readability, length (2-3 pages)10 10 Mechanical errors (spelling, grammar, punctuation, sentence structure, etc. )15 15 Use of APA15 15 Total:100100 Points Earned:15 / 15 Comments: This is very well written, and easy to read paper. It is very organized, structured and well formatted. There are no “mechanical” errors. Your paper is thorough and very informative. Please keep up the good work.