System protection in the operating systems (OS) actually refers to a mechanism that restricts the access of the resources specified by a computer system to programs, processes, or users. It requires the security of computer resources such as Processor, software, memory, etc. As a helper to multip.....
Word Processing refers to the act of using a computer to create, edit, save, and print documents. It is the production of letters, digits, papers, documents, and so on through the use of automated electronic equipment. In order to perform word processing, specialized software (known as a Word Pro.....
Linux is an open-source project that a loose community of enthusiasts has generated all over the world. Unix is much older than Linux, and before Linux ever came along, it was there. Linux is an operating system developed in 1991 by Linus Torvalds. The word “Linux” originates from the kernel .....
An operating system is a program designed to manage the hardware of the device and to act as a user-hardware intermediary; the operating systems are both Linux and Windows. Linux is an open-source operating system where users can use the system to access the source code and enhance the code. In t.....
The various types of operating systems (OS) where DOS is less likely to be used in the current scenario are DOS and Windows, while Windows is a commonly used operating system. Although Windows is a multitasking, multi-user, and GUI-based OS, DOS is a single task, single user, and CLI-based OS. Wh.....
A disk operating system (DOS), in full Microsoft Disk Operating System also known as MS-DOS, is a computer operating system that resides on and can use a disk storage device, such as a floppy disk, hard disk drive, or optical disc. In the 1980s, it was the main personal computer (PC) operating sy.....
Data Definition Language (DDL) is the language of data creation; it is what we use to describe tables, indexes, views, partitions, and so on. For example: build a table, modify table are a few of SQL’s DDL instructions. Transaction Control Language (TCL), as the name implies, includes certa.....
A Data Definition Language (DDL) or Data Description is a programming language used to construct and change the database object structure within a database. DDL is a syntax for creating and modifying objects from databases, such as tables, indexes, and users. For example, DDL commands may be used.....
The core difference between the Internet of Things (IoT) and the Internet of Everything (IoE) are given bellow: Internet of Things (IoT) – The term IoT was coined in 1999 to refer to machine-to-machine, or M2M (machine-to-machine), communication. IoT is a computer term that describes the fu.....
DFD (Data Flow Diagram) and ERD (Entity Relationship Diagram) models both show data presentations for identifying data flows. Organizations use such models to effectively communicate within different divisions. Data means information, flow means to maneuver and diagram means a picture to represen.....
Entity Relationship Diagram, also known as ERD, ER Diagram, or ER model, is a type of structural diagram for use in database design. It is a type of flowchart that illustrates how “entities” such as people, objects, or concepts relate to each other within a system. An ERD contains different s.....
Data Flow Diagram (DFD) graphically representing the functions, or processes, which capture, manipulate, store, and distribute data between a system and its environment and between components of a system. The visual representation makes it a good communication tool between User and System designe.....