Advantages and disadvantages of e commerce
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Advantages
- E commerce offers simple access to worldwide markets
- It provides easy cost-comparison and costs reduction for buyers
- E commerce helps to reduced cost for sellers
Disadvantages
- No personal contact
- Additional shipping costs for buyer
- Server and marketing costs for seller
- There is no possibility to feel or see the product before buying
Sony PSP phone
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Sony is going to launch Playstation Portable Phone. This device will be a PSP with mobile phone features, and mobile connectivity.
The current Sony’s gaming handheld may be used as a VioP phone via Wi-Fi, but it is unable to use cellular networks.
Playstation Phone is developed by Sony alone - without Ericsson partnership, because Sony has learned from it’s error of giving Walkman brand to Sony Ericsson venture.
This device will be released on Christmas 2009.
Symbian Foundation
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Openness become the most important factor in the mobile devices market. Few month after Android presentation - new powered by Google OS for smartphones, is the best time for competitors move.
First answer is from the biggest mobile phone manufacturer - Nokia, and Symbian - Nokia’s operating system. Finland based mobile phone supplier is going to make the Symbian mobile OS an open platform.
Nokia will establish a foundation to make the software free. Symbian Foundation are also participated by Sony Ericsson, Motorola Inc and NTT DoCoMo.
This venture is also a big problem for Microsoft, because Microsof Mobile has relatively high license fees, and Google and Nokia will provide full-featured mobile operating systems for free.
Advantages and disadvantages of micropayments
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Advantages
- Micropayment is a cheap way of payment for non expensive goods and services
- Payment procedure is simple and easy
- You don’t need cash to pay for inexpensive goods and services
Disadvantages
- It is effective way of payment only for small amounts of money
- This system invite to set up fees for services and goods that are free
- You need bank account or credit card to use his system
Advantages and disadvantages of outsourcing
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Advantages
- The greatest advantage is fact that it allows to focus on main competencies
- There in no need to employ specialist like accounting personnel
- Less expenditure, you don’t need to buy capital
Disadvantages
- Less control, security issues for informations and employees
- Sometimes it may be more expensive
- Problems when outsourcing provide goes bankrupt
Advantages and disadvantages of online banking
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Advantages
- Online bank is never closed, is available 24 hours a day
- You may log in to your account from any place
- Transaction made via online bank is very fast
- Many online banking provides sophisticated tools like stock quotes, rate alerts, account aggregation
Disadvantages
- Start-up may take a time
- Account navigation is difficult at first
- For many people the biggest disadvantage is learning to trust it
Nokia E71
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Nokia E71, the successor of the E61i, is another step to BlacBery dominated niche, and it is an answer to the BlackBery Bold device.
As all E series, this mobile is equipped with full qwerty keyboard and half VGA, 2.4″ display (480×320).
Nokia E71 is powered by TI OMAP 2420 with 369 MHz ARM11 Freescale processor and 128 MB of RAM and 128 MB of internal storage.
This HSDPA smatphone supports such technologies like WLAN Wi-Fi 802.11, GPS, Bluetooth 2.0, Infrared and microUSB.
Also it is equipped with 3.2 megapixel camera, and 1,500 mAh lithium-polymer batery. This phone operates under Symbian OS v9.2.
It’s expected to be released on third quarter of 2008.
Best selling cell phone
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Reuters reported that the best selling cell phone is Nokia 1100 mobile.
This released in 2003, cheap, basics and low end mobile device was sold int the number of 200 million pieces. It means that each week being sold about 1 milion Nokia 1100 mobile.
This cell phone is probably top selling electronic device in the history, in comparison, other devices like 115 million of the Sony PlayStation2, Apple iPod with sale of 100 million and 126 million of previously Nokia’s 3310/3330, can’t compare with 1100.
Advantages and disadvantages of credit card
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Advantages
- Provided simple use of funds
- credit card is a easy way to establish a good credit history
- It is a convenient payment method for purchases via Internet
- Is more convenient to carry than cash
Disadvantages
- Credit card is much costly than other forms of loan or credit
- Allow to build up more debt than credit card owner can handle
- Terms and conditions are complicated
- It can damage credit history if payments are late
Advantages and disadvantages of database
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Advantages
- Database system minimises data redundancy
- It provide better data independence and integrity
- Increased data consistency - each item is storage only once
- Databasae provide greater security
- Big advantage of his type of data storage is centralised control
- Improved access, more information are available to users
- Greater productivity
Disadvantages
- Disadvantage is a size - database is larger then data storaged in text files
- It is much complicated and difficulted way of storage
- Database damage affects more to applications, an impact of system failure is bigger
- It is much the difficult to design