Communication Media
by Magnetic Media One of the most convenient way to transfer data from one computer to another, even before the birth of networking, was to save …
Tag: IPU MBA
Concepts of Communication Networks
A system of interconnected computers and computerized peripherals such as printers is called computer network. This interconnection among computers facilitates information sharing among them. Computers …
Integrity Constraints, SQL Queries
SQL is a programming language for Relational Databases. It is designed over relational algebra and tuple relational calculus. SQL comes as a package with all …
Types of Data Models, ER Modeling
Data models define how the logical structure of a database is modeled. Data Models are fundamental entities to introduce abstraction in a DBMS. Data models …
Data Analysis using Spreadsheets
Microsoft Excel provides several means and ways to analyze and interpret data. The data can be from various sources. The data can be converted and …
Computer Software Application and System Software
Computer Software Sometimes abbreviated as SW and S/W, software is a collection of instructions that enable the user to interact with a computer, its hardware, or perform tasks. Without software, most computers …
Number System and Arithmetic: Decimal, Binary, Octal and Hexadecimal Number Systems, Binary Arithmetic
When we type some letters or words, the computer translates them in numbers as computers can understand only numbers. A computer can understand the positional …
CPU, Computer Memory and Mass Storage Devices
Central Processing Unit (CPU) consists of the following features CPU is considered as the brain of the computer. CPU performs all types of data processing …
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