Yeah, here r some: 1)wht is the full form of RAM,ROM,CPU,ALU, SO ON. 2)wht is the main part of the entire set of computer?(ans:CPU unit) 3)who convert analog signals to digit signals?(ans:SMPS:Switch Mode Power Supply) 4)wht r the input device n output device?(ans:ouput: Monitor,speaker,headphone so on and input:keyboard,mouse,headphone so on. 4)what is the minimum capacity … Read more

You just need to type the book name n author name. I m mentioning it below : Database System Concepts by A. Silberschatz, H.F. Korth and S. Sudarshan, 3rd edition. You can type any of this author name, in google or any other web site. That's it  dear you will get.I tried. Thanks.

Symmetric and Asymmetric are part of the one concept that is Cryptography. Symmetric Scheme uses same key for encryption and for decryption.In short sender and the receiver uses same key to open the message. Whereas Asymmetric Scheme is totally opposite of symmetric, it uses different keys one is secret/private key and second is public key.Here … Read more