Types ofsecurity(hardware-software-

There are two types of security:

Hardware security: A hardware security is defined as, it is a physical computing device which help in managing the digital path for strong authentication and provides processing the module. It is used to monitor the traffic and used in scanning the system.

Software security: Software security is a type of software which helps in secure a network and computer devices. It manages access control and provides the data protection of the system and defend from other system security risks.  

a macro is a tool that allows you to automate tasks and add functionality to your forms, reports, and controls. for example, if you add a command button to a form, you associate the button's onclick event to a macro, and the macro contains the commands that you want the button to perform each time it is clicked.