Category Archives: Electronics

The Benefits Of Electronic Commerce

WHAT ARE THE BENEFITS OF ELECTRONIC COMMERCE
Customer care has benefited from various in e-commerce, EC also e-business continue to pay dividends as long as the benefits as reported by e-commerce site.wordpress.com (nd) are still achievable. Reduction in cycle time, staff empowerment and cutomer support are just a few of the benefits. Efraim Turban et al (2008).

CYCLE TIME
The cycle time for an organization refers to the time it takes to complete a transaction; also turn around time, speed of operation etc Internet banking is one of the ways Nigerian banks increase customers satisfaction and cycle time. More transactions are done on the internet, ATMs, POS machines, through patnerships with card companies like MasterCard, Interswitch, VisaCard and the rest of them. It is easy to find all these in almost all Nigerian banks now because the management wants to minimize cost while maximizing profit. Trading equities used to take a very long time before orders can be successfully effected before but can now be done by just one click on the right button in the right website. The same is applicable for purchasing University of Liverpool recommended textbooks. Inputting my mastercard details makes the process of search and final purchase shorter and easy to accomplish for me. EC has brought to the world the likes of ebay, amazon.com and others responsible for online auction. Time is money, so instead of driving all about looking for a shop that stocks what I need to buy, I would rather go to the internet search for it and purchase it immediately.

EMPLOYEE EMPOWERMENT
Organizations now allow their staff to take certain steps that were not possible without electronic commerce. Booking of Consumer loans used to be on paper before in Oceanic Bank until recently when the bank designed an online procedure that empowers staff to issue more loans per hour. The reason for this is not far fetched; a soft copy consumer loan file needs little or no correction since the already inputted formulas are there to do the correction. Checking the consumer loan can now be done at a very high speed because there are software for testing if the excel file followed the desired procedures or not. With the bank empowering their staff in EC, more value is added because staff now sees themselves as important participants of the bank as well.

Electronic Commerce makes it simple for online tutors to detect malpractices amongst students unlike in offline Universities, where Doctors and Professors have to read the hard copy assignments submitted by various students, there will always be cases where collution and plagiarism will not be detected. Students will surely copy themselves knowing fully well that the instructor might not get to know. This is not the case in an EC committed University where all assignments are submitted online through software like Turnitin and safe assign.

FACILITATE CUSTOMER SUPPORT
Customer support was taken to another level through highly specialized customer relationship management; Norton allayed fears that my monthly internet bill is exorbitant. It all started when my hard drive crashed and I lost a recently purchased Norton antivirus. I was frustrated and had to chat online with customer care representative of Norton through their chat software. As if that was not enough, the agent I spoke with blew my mind when he told me that he was going to install the software into my laptop from his remote location. I thought to myself this must be a joke until I saw my mouse moving and clicking certain menus on my desktop. It was a wonder then, I thought I was looking at a Norton miracle, he put my laptop in order within five minutes and still told me thank you. I replied as many times as possible and fell in love with purchasing my antivirus solutions from Norton because I feel that their EC investments have paid off after all.

CONCLUSION
Every good idea has to develop through changes, the world never stayed in one place. What might be perfect today might be faulty tomorrow, no wonder Polaroid felt comfortable until the digital imaging swept their business away. Holycoast.com (nd) It is very correct to say that EC has come to change the world and it is doing just that real well and fast too. The value of improvement that has met the organizations cannot be overemphasized and thus will continue to draw the attention of other corporations to invest in new ideas, innovations and technologies.

REFERENCES

E-commerce site.wordpress.com (nd), Benefits of E-commerce [Online] Available at: http://ecommercesite.wordpress.com/2008/06/14/reduction-of-cycle-time-improve-employees-empowerment-facilitate-customer-support-through-e-commerce/ (Accessed on 5th July 2009)

Efraim Turban, David King, Judy McKay, Peter Marshall, Jae Lee, Dennis Viehland, (2008) Electronic Commerc – A Managerial Perspecive ISBN 9780135135440 Intl Ed. Pearson Education Ltd. London

Thompson A, Strickland A, & gamble J (2008). Crafting & Executing Strategy: The Quest for competitive advantage, Concept and cases. 16th Ed. Boston: Mcgrraw-Hill Irwin.

A Brief Introduction To Nextbase Protable Dvd Players

Key Features

One of the most important, if not the most important, components of a portable DVD player is its display, or screen. The size, and other characteristics, of the screen determine the quality not only of what you actually see, but also the overall dimensions, and weight, of a portable DVD player. Most LCD (Liquid Crystal Display) screens, nowadays, are TFT (Thin Film Transistor), or active matrix, in design, and offer bright, colour rich, results, even in conditions of bright ambient light. The Nextbase N2 SDV47 model, for example, is a tablet style portable DVD player, with a 7 inch, TFT display, while the Nextbase DVM235 model features a pop up, 3.5 inch, TFT display.

Screens as small as 4 inches, and as large as 17 inches, measured diagonally, are available, with 7 inches being typical. Do remember, however, that while a larger screen can be easier on the eyes, if you intend to view for long periods, the player, itself, and its batteries will, by necessity, also be larger, and heavier.

It may be that you wish, at some point, to connect a portable DVD player to your existing home entertainment system. If this is the case, connectivity is important, and you should look for the highest quality output connections appropriate to your system. These may include S-video, and coaxial, or optical audio outputs. You may also be looking for support of true digital surround sound, in the form of Dolby Digital, or DTS; Dolby Digital is an industry standard for commercial DVD recordings.

About Nextbase

Nextbase is a Hong Kong based manufacturer of high end audio/video products, with over 15 years experience in the portable DVD player industry. The company strives to incorporate new electronics technology into its range of exciting and innovative products, employs a strict quality guarantee system, in accordance with international standards, and has formed strategic partnerships with other leading players within the industry.

Conclusion

If you are planning to use a portable DVD player in a moving vehicle or in any other environment where it is likely to be subject to vibration, or the occasional shock, it is good idea to invest in a model that has skip protection. Similarly, there may be other considerations, particular to your circumstances, which mean that some features are more important than others. A portable DVD player with a large screen, for example, is fine, but may not be very convenient if you have difficulty fitting it into your bag, or briefcase, and disappointing, if its battery life is only an hour, or so.

Basic Laws Of Electronics

Thanks to the physical laws of electronics, circuit analysis is very procedural. This is the second entry in a tutorial in basic electronics. The first entry covered basic electronic concepts such as voltage, current, and power. This session will cover Ohm’s Law, and Kirchhoff’s Laws of voltage and current. These are the fundamental laws needed for circuit analysis and design.

Resistors and Ohm’s Law
Georg Simon Ohm was a German physicist that in 1826 experimentally determined most basic laws that relate to voltage and current for a resistor.

Ohm’s law basically states that the resistance of a component (commonly a resistor) is equal to the voltage dropped over the resistor divided by the current going through it.

This law makes it relatively easy to find one of three values: voltage across a resistance, the resistance value itself, or the current flowing through the resistance (as long as the other two values are known).

Nodes, Branches, and Loops
These three concepts must be understood for basic circuit analysis. They help determine if components are in series or parallel and if the components share the same current or have the same voltage drops.

A branch represents a single circuit component such as a resistor or voltage source.

A node is a point where two or more branches connect.

A loop is any closed path in a circuit.

Elements are in series if they exclusively share a single node. Elements that are in series share the same current.

Elements are in parallel if they are connected to the same two nodes. Elements in parallel have the same voltage across them.

Kirchhoff’s Laws
The first of Kirchhoff’s Laws is Kirchhoff’s current law (KCL). This law states that the sum of all current entering a node or enclosed area of a circuit is equal to zero. Simply put, current entering a node or area equals the current leaving the node or area.

The second of Kirchhoff’s Laws is Kirchhoff’s voltage law (KVL). This law states that the sum of all voltages around a closed path or loop is equal to zero. Simply put, the sum of voltage drops equals the sum of voltage rises.

This is found by following the loop in one direction (the direction does not matter). If the positive terminal is hit first, the voltage is added. If the negative terminal is hit first, the voltage is subtracted. Together these values will equal zero.

Once all of the voltages are found, we can start the loop anywhere we want. I find it convenient to start at the negative terminal of a main voltage source. Since we hit a negative terminal first, we subtract it. Now we simply finish the loop and add the voltages together.

This law comes in very handy for analysis.

Basic DC Analysis
By combining Kirchhoff’s voltage and current laws, basic DC circuits are relatively easy to analyze. Knowing that all voltages in a loop add up to zero and all currents entering a node, minus currents leaving a node also equals zero, most current and voltage values can be easily obtained.

If a loop contains one voltage source and multiple resistances, voltage division (eq. 1) should be used to find the value of voltage drops across the known resistances. Once the voltage across the known resistance is found, Ohm’s law (eq. 2) can be used to determine the current flowing through the resistance.

Eq.1 Voltage Division:
((voltage source in volts) (resistor of interest in ohms))/(sum of resistance in loop)

Eq.2 Ohm’s Law:
(voltage across a resistance) = (known resistance)(current flowing through resistance)

Keep in mind that resistors in series can be added to give total resistance between two nodes. The total resistance between two nodes that have resistors in parallel is found using eq. 3 below.

Eq. 3 Equivalent Resistance (Req) of Resistors in parallel:
Req = ((resistance in branch 1)(resistance in branch 2)) / (sum of resistances in both branches)

There is much more to be said about DC circuit analysis but most would go beyond the scope of this article. The purpose of this article is to give a basic understanding of the laws and concepts of basic electronics.

Other concepts that make DC circuit analysis easier are current division, mesh analysis, and nodal analysis. These techniques use the rules behind KVL, KCL, and Ohm’s Law but would require a visual example for thorough explanation.

I hope that this short tutorial has been helpful to anyone who is new to the world of electronics either as a hobbyist or as a technician trying to learn electronics repair.

The Useful Of The Electronics

Can People imagine that what our life would be like if the whole electronics are disabled? We cant hold outstanding efficiency without computers; plentiful computer-related technicians would say goodbye to their jobs. More depressingly, even at home, they would also have nothing to do: there is no television. a large number of people would lose the contact with others for they have been inured to using telephones. Cars and vessel would get lost, maybe forever, for GPS and navigation systems are disabled. The global economics would deteriorated for wholesale electronics is its necessary component. A world without electronics is unacceptable.

“Electronics” is one aggregative noun which contains many points. In my opinion, these things could be categorized into 2 facets. The 1st facet is the products that every person must have in the Information Age such as computer, television, phone, and calculator. In this age, computer is the linchpin of life and work as well as the assurance of efficiency. Television has deeply taken root into our life for a great many years and affected people from generation to generation. From telegraph to telephone, from telephone to cell phone, scientists keep committing themselves to improve communications tools, but electronic method is invariable forever. We cant live without calculator as well, unless you use abacus as well as Chinese. They have been one part of humans life, and made up of the significant elements.

The second aspect is the goods that improve the life standard such as entertainment products, health care electronics (for example: blood pressure detector, alcohol detector and etc.) and

Aquire Modern Electronic Surveying Equipment

Presently electronic surveying equipment has turned into an indispensable device throughout the whole construction industry. It is with the utilization of the equipment by which a worker can much more easily determining accurate dimensions in order to be certain that the construction labor being carried out is accomplished properly. Though surveying has been around for many hundreds of years now (both the Egyptians and Romans previously utilizing it to construct their roadways and edifices (pyramids included) it’s in fact very tough to figure out just definitely when it was first started.
All the tools which is now utilized now will be built from three separate mechanisms that are adequate for measure distance, and angles as well as the elevation of an object. But the great part regarding all surveying equipment along with electronic variants is that they’re capable of measuring one or more of the parts we had mentioned previously.
However since the’re so many various pieces of equipment to decide from it could become a little overpowering when an person must to render a choice as to the ones they should get, most certainly if a individual has minimal or no background in surveying. Next we’ll share specification regarding a few of the variants of surveying equipment that are currently in use right now.
1. Electronic Levels
These shoot a beam of infrared light which is is not possible to see to the naked eye and assists to building a an area or great reference elevation and is used in order to get measurements during construction jobs. There are two distinct types of electronic levels that a lot of surveyors are presently using either a single beam or a rotating beam.
The solitary beam projects a light that can either be projected to an additional spot either vertically, horizontally or at a angle. Although the rotating beam furnishes the surveyor with a level of reference covering a certain open area. All these kinds of levels are leveling themselves and will not begin functioning till the tool has straightened itself properly. Plus if at at some point time should the level after being moved or knocked the light is automatically stopped and will only come back on if theequipment straightens itself out.
2. Electronic Distance Measurer’s
Often it is frequently described to as EDMa and are used to precisely measure the length between one point and too the next. This particular section of electronic surveying equipment works through measuring what long it takes the laser to move from the EDM to a prism found at a different place and then sent back to the EDM again. However before the invention of this specific piece of electronic equipment tapes or chains were added in order to provide accurate measurements of the gap between 2 places.
Such to all current electronic surveying equipment they’ll use a computerized system that is capable to collect and recording all of the data gathered out on construction area prior it it being transferred over to a machine and the data is printed. This therefore renders the assignment of the surveyor much easier to execute and will furnish them with accurate readings as well as measuring continually.