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Basics 5 min read
Digital Signature
A signature on a legal, financial or any other document authenticates the document. A photocopy of that document does not…
Basics 4 min read
Malicious Software
Malicious users use different methods to break into the systems. The software that is intentionally included into a system with…
Basics 3 min read
Security Threat And Security Attack
A threat is a potential violation of security and causes harm. A threat can be a malicious program, a natural…
Basics 6 min read
Representation or Implementation Data Model
The Conceptual Data Model is transformed into the Representation Data Model. Representation data model uses concepts that are understood by…
Basics 4 min read
High-Level or Conceptual Data Model
The conceptual data model is a description of the data requirements of the user. This model is not concerned with…
Basics 4 min read
Characteristics of Database Approach
The main characteristics of the database approach are defined as follows: · Data Redundancy is Minimized: Database system keeps data at one…
Basics 3 min read
Specialized Information System
Specialized information systems are both for organizational and individual use. The specialized systems help organizations and individuals achieve their goals.…
Basics 4 min read
Management Support System
The purpose of the management support system is to assist the managers at different levels in an organization, in the…
Basics 3 min read
Operations Support System
The operations support system provides information about the day-to-day activities of the organization. They support the operations of the organization,…
