Stegnography is a technique of hiding one file into another file like a word file into an image. Stegnography of pdf file and image. Stegnography is used for security purpose for an instance someone wantes to send data to some other person but he doesn't want to read the message by third person so what will he does here is he will hide the information into some other file and then will send to the sender. - Stegnography via cmd - Open cmd - Go to file folder using cd - Which file you want to hide first make compress them and make a zip file. - Then type command - copy /b file.jpg + zipfilename newfile.jpg - b stands for binary - to see those files open newfile.jpg with rar application blogging central - stegnograph of video file into image file - to do this we will use a tool called stealth files 4.0 https://diva.sfsu.edu/blog/04-20-2011/diva-downtime Also read: GBwhatsapp GBwhatsapp GBwhatsapp GBwhatsapp extratorrent proxy site how extratorre...
Electromagnetic spectrum-->> --Electromagnetic spectrum is different type of radiation(X-rays, Gamma rays, ultravoilet rays, infrared rays, microwaves) release from star including our own sun. --Electromagnetic radiation travels in waves. --Frequency described how many ways per second wavelength producing. --Wavalength measures the individual wave in meters. --Scientist describe the electromagnetic spectrum as a long line at one in 'ly'. --Radio with the longest wave length and lowest frequencies in the spectrum for example tower. --A single radiation wave has a length of a football field. --After radio wave, come micro wave which produce more energy due to shorter wavelengths and higher frequencies for example tv remote. --Cellphone radar and microwaves ovens use microwaves. --Next comes infrared light, the sun fire living creatures and other heat sources all...