FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Utility software helps maintain the system. Utility software includes: encryption software. defragmentation software.

Detailed explanation-2: -Data encryption translates data into another form, or code, so that only people with access to a secret key (formally called a decryption key) or password can read it. Encrypted data is commonly referred to as ciphertext, while unencrypted data is called plaintext.

Detailed explanation-3: -Encryption uses cybersecurity to defend against brute-force and cyber-attacks, including malware and ransomware. Data encryption works by securing transmitted digital data on the cloud and computer systems. There are two kinds of digital data, transmitted data or in-flight data and stored digital data or data at rest.