Cryptosystems
A cryptosystem is an implementation of cryptographic techniques and their accompanying infrastructure to provide information security services. A cryptosystem is also referred to as a cipher system. Let us discuss a…
Modern Cryptography
Modern cryptography is the cornerstone of computer and communications security. Its foundation is based on various concepts of mathematics such as number theory, computational complexity theory, and probability theory. Characteristics…
Origin of Cryptography
In This section, we will discuss the Origin of Cryptography. A human being from ages had two inherent needs − (a) to communicate and share information and (b) to communicate…
MIS – Summary
An efficient information systems creates an impact on the organization's function, performance, and productivity. Nowadays, information systems and information technology have become a vital part of any successful business and…
MIS – Security & Ethical Issues
Security of an Information System Information system security refers to the way the system is defended against unauthorized access, use, disclosure, disruption, modification, perusal, inspection, recording or destruction. There are…
MIS – Managerial Decision-Making
Concept of Decision-Making Decision-making is a cognitive process that results in the selection of a course of action among several alternative scenarios. Decision-making is a daily activity for any human…
MIS – Development Process
In MIS Development Process, information is recognized as a major resource like capital and time. If this resource has to be managed well, it calls upon the management to plan…
MIS – System Development Life Cycle
Like any other product development, system development requires careful analysis and design before implementation. System development generally has the following phases − Planning and Requirement Analysis The project planning part…
MIS – Strategic Business Objectives
Strategic planning for an organization involves long-term policy decisions, like location of a new plant, a new product, diversification etc. Strategic planning is mostly influenced by − Decision of diversification…
MIS – Supply Chain Management
Supply chain management is the systemic, strategic coordination of the traditional business functions and tactics across these business functions - both within a particular company and across businesses within the…
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