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hi friends welcome to my channel -------crazy hi-tech
my name rushikesh sarfale the owner of the channel 
this channel --CRAZY HI-TECH---will give you the knowledge and facts and current affairs of the world 
 first of all i like to introduce about 
what is hi-tech ?
High technology, often abbreviated to high tech (adjective forms high-technology, high-tech or hi-tech) is technology that is at the cutting edge: the most advanced technology available.

As of the onset of the 21st century, products considered high tech are often those that incorporate advanced computer electronics. However, there is no specific class of technology that is high tech—the definition shifts and evolves over time—so products hyped as high-tech in the past may now be considered to be everyday or outdated technology.

The opposite of high tech is low technology, referring to simple, often traditional or mechanical technology; for example, a calculator is a low-tech calculating device.
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