Operating System (OS): OS is the term that acts as an interface between the hardware and the user. It is the first program loaded into the computer memory whenever the computer starts up. It is responsible for the management to co-ordinate of activities on a computer system. OS does basic operations such as getting input from the keyboard, displaying output in the monitor and monitoring the files. OS controls the peripheral devices like printers, hard drives and mouse. The responsibilities of OS are bound to get higher when it comes to security, because it provides the access rights for users. Encryption: Encryption technique is a process of converting the plain text into cipher text. It encodes the message that cannot read by the unauthorized person. It uses the encryption algorithm to the turn the plain text into cipher text. Key used for the encryption specifies how the message is encoded. The two types of encryption techniques are, Symmetric key encryption Public key encryption

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Chapter 9, Problem 28SG

Program Plan Intro

Operating System (OS):

OS is the term that acts as an interface between the hardware and the user.

It is the first program loaded into the computer memory whenever the computer starts up.

It is responsible for the management to co-ordinate of activities on a computer system.

OS does basic operations such as getting input from the keyboard, displaying output in the monitor and monitoring the files.

OS controls the peripheral devices like printers, hard drives and mouse.

The responsibilities of OS are bound to get higher when it comes to security, because it provides the access rights for users.

Encryption:

Encryption technique is a process of converting the plain text into cipher text.

It encodes the message that cannot read by the unauthorized person.

It uses the encryption algorithm to the turn the plain text into cipher text.

Key used for the encryption specifies how the message is encoded.

The two types of encryption techniques are,

Symmetric key encryption

Public key encryption

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