Digital Electronic
Digital Electronic
Hi , Can anybody pls tell me any latest digital electronic device which uses logic circuit?
i am in 2nd year B.E.(I.T.) and i hv to do an assignment on this topic.
the device should be simple and latest.
It should be implementing use of logic circuit.
You need to be more specific. Just about any electronic device has logic in it. Eg: TV, stereo, computer, CD or DVD player, AC, cell phone, etc.
Actually the ON-OFF switch is a form of logic, so even your iron or toaster has logic in it.
Digital Electronic
Wholesale Opportunity Of The Year: Profit From The Digital Tv Changeover
For anybody taking notes this year looks to be the watershed for two trends… Digital TV and ecommerce.
With many countries going into, or being halfway through the transitional stage online electronics resellers are going to have a fantastic opportunity get in on the ground floor of the digital TV revolution this year.
They are just going to need to do their homework before they start stocking products and educate their customers on what to look for.
The DTV process started in 2003 and the first wave of countries converted is expected to finish the process between 2012 and 2013.
As a result many consumers from many countries will be considering replacing, or replacing much of their television capable gadgets so that they are DTV compliant while you read this article.
According to UK research group Ofcom 88.2% of UK residents had got themselves a Digital television capable set or set top box by the end of September 2008.
Google search volumes for DVB-T and ATSC capable car DVD players and cell phones have all increasing a Great Deal over the last couple of months.
And with more and more and more customers turning to online stores and eBay vendors to cut down on purchase costs and give themselves a wider variety of goods ecommerce vendors are in a particularly strong position.
So for anyone with access to a wholesale supply of Digital TV capable gadgets or DTV capable computer accessories will find themselves in a nice position to corner the market.
While name brand electronics companies have been slow to supply digital electronics OEM and wholesale manufacturers have not been as lax.
As a result there are plenty of DVB-T capable electronics, and to a lesser extent ATSC capable gadgets, out there from OEM China manufacturers for good prices, providing you find a China wholesale dropship company to buy them from.
So what issues are you likely to face?
Your biggest problems are likely to be ensuring that the customer knows enough about the item to buy it safely and being suitably informed yourself on the digital TV standards used in each country.
As DTT is a new event there is still a lot of conjecture, misinformation and yet to be decided details about what specifics will work where.
The biggest battle you are likely to face is ensuring that your customers buy DTV devices using the right standard for their country.
Most of the world have gone, or will go, down the DVB route with North America, parts of Asia and certain US colonies using ATSC.
With the US going through the shift from analog to digital television this year they will be a major market but need to be educated about the differences of ATSC and DVB.
A smaller issue for people selling DTV products to only DVB countries is the differences between the MPEG codecs with some countries going down the MPEG-2 route and some opting for the higher resolution MPEG-4 codec.
As retailers you are going to need to make descriptions detailed and make sure buyers are aware that something might not work for their country.
However, it doesn’t matter if you are dropshipping or buying in bulk from a wholesale supplier, providing you make your customers aware of the dangers you will find digital TV gadgets to be an excellent new area to explore.
So start investigating this exciting new field now and see how being an early provider of the future of entertainment can bring in big rewards.
About the Author
Rose Li is the PR Manager for Chinavasion, China’s premier dropshipper for wholesale consumer electronics
About digital,so in digital technology electronic info is converted to 1′s and 0′s. What component converts…
the analog info into 1′s and 0′s and how? I know the 1′s and 0′s are stored on transistors made of semiconductor material, but what component does the actual converting?
Thanks so much to all who offer assistance.
An Analog-to-Digital Converter (ADC) converts analog signals into digital data. For instance, when you sing into a microphone but want to record it to a .wav or .mp3 file on your computer, the microphone creates an electrical signal corresponding to your voice. That signal will be oscillating with respect to the changes in your voice, but it will generally fall in some voltage range, like -50 to +50 millivolts. The ADC breaks up that signal into ranges, depending on the number of bits it has. An 8-bit ADC has 256 levels (2^8) and so that 100 millivolt range is broken up into 256 slices. The ADC senses the voltage level on the input and assigns it to one of those slices, and every millisecond or so it gets updated. The slices are represented by 8 bits (or one byte) and are stored in the RAM or on a hard drive as a .wav file. (If that file is then compressed, it can become an .mp3.)
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