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Advantages and disadvantages about a planned economy

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: what is the main advantage of watermarking

This paper presents both theoretical and practical analyses of the security offered by watermarking and data hiding methods based on spread spectrum. In this context, security is understood as the difficulty of estimating the secret parameters of the embedding function based on the observation of watermarked signals. On the theoretical side, the security is quantified from an information-theoretic point of view by means of the equivocation about the secret parameters. The main results reveal fundamental limits and bounds on security and provide insight into other properties, such as the impact of the embedding parameters, and the tradeoff between robustness and security. On the practical side, workable estimators of the secret parameters are proposed and theoretically analyzed for a variety of scenarios, providing a comparison with previous approaches, and showing that the security of many schemes used in practice can be fairly low.

Posted on Mar 19, 2010

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SOURCE: What are the advantages and disadvantages of windows 8.1 and andriod?

Horrible Operating systems. Unfortunately, if you buy a new computer you are saddled with them. Stay with XP or Win 7. If not, good luck - you will need it! Very steep learning curve.

Posted on Feb 20, 2014

tomas_and_ju
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SOURCE: What are the advantages and disadvantages of the Mac OS?

Apple OSX Mavericks Do even more with new apps and features

Posted on Feb 21, 2014

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2 Answers

What is advantages and disadvantages of integration?


https://en.wikipedia.org/wiki/Integration

The advantages or disadvantages are a personal perception based on your particular circumstance..

Jun 19, 2017 | Computers & Internet

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Pros and Cons of Laptop and Desktop Computers


When netbooks arrived in early 2008, hardly anybody imagined that they could be such a viable alternative to laptops and desktops. While it is not serious to say that netbooks with all their numerous advantages will make laptops and desktops history, it is a fact that the sales of netbooks are skyrocketing. Still, desktops, not to mention laptops, are far from becoming history.

Both laptops and desktops have their advantages and disadvantages, as it will be discussed in this article. If the reader is interested in the advantages and disadvantages of netbooks, or is eager to learn about the final decision what computer to buy, he or she should check the respective articles in this series.
The Advantages of Laptops

Laptops have many advantages over netbooks and desktops and here are some of them:

* Easier to carry. Laptops are not as heavy as a desktop computer and they are easier to carry. Still, there is no doubt that compared to a netbook, they are as heavy as a rock.
* Compact, yet large enough. In comparison to a 7” netbook, the screen of a laptop is much more convenient for work and fun.
* More powerful than netbooks. As it was mentioned in the previous article about the advantages and disadvantages of netbooks, netbooks were not designed to be powerful gaming stations or design studios. Still, depending on the tasks a user wants to use the computer for, a netbook might be too weak and in such cases a laptop is definitely better.

The Disadvantages of Laptops

Laptops have disadvantages as well and here are some of them:

* The most expensive choice. All equal, a laptop is more expensive than a desktop/netbook with similar parameters. However, the most expensive netbooks are more expensive than a laptop with similar parameters.
* Less ergonomic than a desktop. Laptops were designed to be portable computers, not marvels of ergonomic design. Neck pain and problems with the wrists/fingers are not unheard of when a laptop is used for 10 or more hours a day. There are special stands and other appliances, which help deal with the ergonomic issues, if they become a big problem, so it is not fair to say that a laptop/netbook leads to serious long-term skeletal injuries.
* Easier to steal. In comparison to desktops, a laptop is easier to steal. This applies to netbooks as well.

The Advantages of Desktops

Since good old desktops are still on the market, they must have some really cool advantages. Yes, this is so and here are some of them:
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* The cheapest alternative (for the same technical characteristics). All equal, when a netbook, a laptop, and a desktop computer are compared, desktops are the cheapest buy. The difference (for similar technical parameters) could be up to 50% or even more. Even barebone Mini PCs, which are generally more expensive, are still cheaper than laptops.
* Large screen. There is hardly a person who plans to use a netbook and even a laptop for desktop publishing, CAD design or any similar activity where monitor size matters. But even if a user doesn't plan to turn his or her computer into a design studio, the larger the monitor, the higher the productivity.
* The monitor, the case, and the keyboard are separate. This advantage is really important because if one piece breaks, this (usually) doesn't affect the others. With netbooks and laptops when the monitor or the keyboard breaks, this usually means that either the whole computer is trashed, or that external devices must be connected (even if this is possible at all, it is a bit clumsy).

The Disadvantages of Desktops

The main disadvantages of desktops are related to their large size and sometimes lack of advanced features:

* Heavy and bulky. The size and weight of a desktop configuration are its major disadvantage. A desktop configuration takes a lot of space and is difficult to transport. Yes, there are mini PCs, which are half or quarter the size of a typical desktop but in terms of price they cost much more than a typical desktop and that is why they are not taken into account.
* Requires a separate monitor. When a user is upgrading his or her old PC, it is quite probable that there is an old monitor, which can be used with the new configuration as well. However, when a user buys his or her first PC, if the decision is to buy a desktop, it is necessary to buy not only the case and the machinery inside it, but also a separate monitor. Though there are great monitors for $300 or less, generally a separate monitor is not cheap and an average monitor could cost as much as a whole netbook.
* Could be without wireless. Even recent desktop motherboards don't always have wireless connectivity. Well, this is hardly a problem because there are many other types of connectivity but if your provider offers nothing but wireless, this could be a (minor) problem. Needless to mention, there are tons of workarounds of the lack of wireless issue.

Similarly to netbooks, laptops and desktops also have their advantages and disadvantages a buyer must consider when choosing what computer to buy.

Read more at Suite101: Pros and Cons of Laptop and Desktop Computers: Laptops and Desktops Are Still Good Choices for a Computer to Buy http://computeraccessories.suite101.com/article.cfm/pros_and_cons_of_laptop_and_desktop_computers#ixzz0b9viP5Q4

on Dec 30, 2009 | Computers & Internet

2 Answers

What are some advantages and disadvantages of raising minimum wage rates?


Well the advantages are obvious for the employee. One major disadvantage is it fuels inflation.

Jun 07, 2014 | Finance

1 Answer

Disadvantages of Mac OS


Advantages of MAC OS:



Resistance to viruses - good for risky computer ventures

Works very well with certain graphic applications in a MAC computer.



Disadvantages:



Very Limited software for platform

Expensive because there is no competition from other manufacturers

Limited adoption by computing public

Feb 20, 2014 | Apple Mac OS X 10.4

1 Answer

What are the Advantages & Disadvantages of Electric Vehicles?


Electric vehicles like battery powered cars and ATVs are the future of transportation technology. They are emission free, energy efficient and convert renewable energy into motion. But they do not attain high speeds like their internal combustion engine counterparts. Here you can read all advantages and disadvantages for Electric Vehicles - http://www.polarisind.in/blog/the-advantages-disadvantages-of-electric-vehicles/

Jan 27, 2014 | Polaris ATV

1 Answer

Advantages ang disadvantages of visual c++


Advantages: much faster to write programs, when compared to writing in machine-code.
Easier to write "self-documenting" code.

Disadvantage: easier to write "bad" code, especially "off-by-one" code that works "some" of the time.

Nov 12, 2010 | Microsoft Computers & Internet

1 Answer

Advantage and disadvantage of dengue awareness


sir how i m know the dengu fever plz plz ans

May 20, 2010 | Dishwashers

2 Answers

Engine


there is nothing as disadvantages in dtsi...when the engine is made it will be pre planned,optimised and its performance checked...only advantages will be counted in dtsi...

Nov 10, 2008 | 2007 Bajaj Discover DTS-I

1 Answer

How long I will gain if I'm using 15dbi omni-antenna + 100W signal booster?


Here is a chart that will help you. with more info you can get more exact, but to answer what I think is your question, it would be about 1-3 miles. Without knowing the Mbps I can't be more accurate.
aspin.asu.edu/projects/wireless/ranges.html
as far as advantages, theres no more than any other except for distance. Disadvantage...don't see any.

Nov 01, 2007 | EnGenius EOC-3220 (EOC3220)

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