COMPUTER NETWORKING

Detailed explanation-1: -Definition: The conversion of encrypted data into its original form is called Decryption. It is generally a reverse process of encryption. It decodes the encrypted information so that an authorized user can only decrypt the data because decryption requires a secret key or password.

Detailed explanation-2: -Data encryption converts data from a readable, plaintext format into an unreadable, encoded format: ciphertext. Users and processes can only read and process encrypted data after it is decrypted.

Detailed explanation-3: -Caches are used to store temporary files, using hardware and software components. An example of a hardware cache is a CPU cache. This is a small chunk of memory on the computer’s processor used to store basic computer instructions that were recently used or are frequently used.

Detailed explanation-4: -Phishing is an attempt to extract sensitive information, such as usernames, passwords and credit card details, by masquerading as a trustworthy entity in an electronic communication.

Detailed explanation-5: -Spyware is a type of program that is installed with or without your permission on your personal computers to collect information about users, their computer or browsing habits tracks each and everything that you do without your knowledge and send it to remote user.