What is called Canonical Issues in search engine?

Canonical Issues take place when a search engine treats www.yourdomain.com, yourdomain.com, and yourdomain.com/index.html as different web sites. When Google does this, it flags the different copies as second copy content, and penalizes them. If yourdomain.com is not penalized and all other web sites link to your web site using www.yourdomain.com, after that the version left in the index will have no ranking. These are basic issues that other major search engines, like Yahoo and MSN, have no problem dealing with. Google's reputation as the world's utmost search engine (self-ranked as a ten on a scale of one to ten) is hindered by its incapability to resolve basic indexing issues.

Core i7

Intel Core i7 is a family of three Intel Desktop x86-64 processors, the first processors free using the Intel Nehalem microarchitecture and the successor to the Intel Core 2 family. All three models are quad-core processors. The Core i7 identifier applies to the first family of processors codenamed Bloomfield. The moniker Core i7 does not contain a deeper meaning, but continues the employ of the successful Core brand. Core i7 is artificial in Costa Rica and officially launched on November 17, 2008.

What is the real difference between the procedural and object-oriented programs?

1. In procedural program, programming logic follows definite procedures and the instructions are executed one after another. In OOP program, unit of program is object, which is nothing but grouping of data and code.

2. In procedural program, data is exposed to the complete program whereas in OOPs program, it is easy to get to with in the object and which in turn assures the safety of the code.

What is Search Engine Marketing (SEM)?

Search engine marketing, or SEM, is a form of Internet marketing that seeks to help websites by escalating their visibility in search engine result pages (SERPs). In accordance with the Search Engine Marketing Professional Organization, SEM methods consist of: search engine optimization (or SEO), paid inclusion and paid placement. Other sources, together with the New York Times, describe SEM as the practice of buying paid search listings. The SEM encompasses the many aspects of online marketing, counting, but not limited to SEO, PPC, social networking, etc...