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Client Server Database Architecture

Client Server Database Architecture Client server database architecture consists of two logical components. One is “Client” and the other one is “Server”. Clients are those who send the request to perform a specific task to the server. Servers are normally receive the command sent by the clients, perform the task and send the appropriate result back to the client. Example of client is PC where as…

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Loosely And Tightly Coupled Systems

Loosely And Tightly Coupled Systems Some, but not all, distributed systems are loosely coupled. ​Coupling refers to the degree to which two or more processes are interdependent. ​ We say two things are tightly coupled when they are interdependent and loosely coupled when they are independent. ​Tight and loose coupling are not binary positions, but rather relative terms. Any given architectural…

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Heterogeneous database or federated database or Multi database

Heterogeneous database/federated database/Multi database Heterogeneous Distributed Databases A system might be considered heterogeneous when it has different operating system at each site, and different DBMS at each site. A system in which each server is autonomous and centralized DBMS that has its own local users is referred to as HDMS. The term Federated Database system or in short FDS is…

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Data Replication - Mobile Computing

Data Replication – Mobile Computing Data Replication in Mobile Computing Data replication is the process of making copies of data stored on various sites in order to improve – reliability, efficiency, robustness, simpler transaction, fault tolerance and reduce network load Goals of data replication Data replication is performed with the purpose to Increase the availability of data. Speed up…

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Mobile Database - Data Management Issues

Mobile Database – Data Management Issues Data management technology that can support easy data access from and to mobile devices is among the main concerns in mobile information systems. Mobile computing may be considered a variation of distributed computing. The two scenarios in which mobile databases are distributed are: Among the wired components, the entire database is distributed, possibly…

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Mobile IP - Agent Discovery - Registration - Tunneling

Mobile IP – Agent Discovery – Registration – Tunneling Mobile IP is a communication protocol that allows users to move from one network to another with the same IP address. It ensures that the communication will continue without the user’s sessions or connections being dropped.   Home Network: The home network of a mobile device is the network within which the device receives its identifying IP…

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Wireless Application Protocol Overview & Layers

Wireless Application Protocol Overview & Layers WAP stands for Wireless Application Protocol. WAP represents a group of protocols rather than a single protocol. WAP aims at integrating a simple lightweight browser also known as a micro-browser into handheld devices, thus requiring minimal amounts of resources such as memory and CPU.         The primary objectives of the WAP protocols are the…

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Multiple Access Protocol - ALOHA, CSMA, CSMA/CA and CSMA/CD

Multiple Access Protocol – ALOHA, CSMA, CSMA/CA and CSMA/CD Multiple access protocols are a set of protocols that work in the Medium Access Control sublayer (MAC sublayer) of the Open Systems Interconnection (OSI) model. These protocols allow a number of users to access a shared network channel. Several data streams originating from several nodes are transferred through the multi-point…

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Current trends of mobile technology

Current trends of mobile technology This section lists down the current mobile technologies starting from 3G technologies which is the hottest mobile technology available of that time in the market. 3G 3G or third generation mobile telecommunications is a generation of standards for mobile phones and mobile telecommunication services fulfilling the International Mobile Telecommunications-2000…

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System and Network Administration

System and Network Administration System and Network Administration – System administration is a job done by IT experts for an organization. The job is to ensure that computer systems and all related services are working well.    What is TCP/IP? Introduction of TCP/IP model TCP/IP is a set of network protocols (Protocol Suite) that enable communication between computers. Network protocols are…

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Distributed database system

Distributed database system A distributed database is basically a database that is not limited to one system, it is spread over different sites, i.e, on multiple computers or over a network of computers. A distributed database system is located on various sites that don’t share physical components. This may be required when a particular database needs to be accessed by various users globally. It…

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Data Science MCQ and Quiz for Sure Success

Data Science MCQ and Quiz for Sure Success

Data Science MCQ and Quiz for Sure Success 1. Data Science discovers hidden  ———- a. Patterns b. Information c. Hidden d. All of the above Answer a   2. Machine Learning explores the building and study of algorithms which learn to make predictions about ——– a. Unforeseen data b. future data c. intelligent data d. None of the above Answer b   3. Deep Learning method is new machine learning…

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Blogging - Turn Passion into Profit - Earn money online

Blogging – Turn Passion into Profit – Earn money online

To register in the course. Register yourself using the link below- https://www.shobhituniversity.ac.in/omccblog2021/

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Data Science-What is data science?

Data Science-What is data science?

Data Science-What is data science? INCEPTION OF DATA SCIENCE Data Science had shown a stupendous ballooning in today’s century. There are endless areas where it is being used; for better decision making where there are always some tricky decisions to make, then for performing predictive analysis like can, we predict delays in case of airlines or can we predict demand for some product, then in…

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OOSE MCQ - Object Oriented Software Engineering Mcqs With Answers

OOSE MCQ – Object Oriented Software Engineering Mcqs With Answers

OOSE MCQ – Object-Oriented Software Engineering Mcqs With Answers Set I Object-oriented systems development centers on the ————- a. Object b. Entities c. Function d. Programs Answer a   2. In an object-oriented environment Software is a collection of discrete objects that encapsulate data and ————— a. Programs b. Class c. Functions d. Files Answer c     3. Each object has attributes and…

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Important C++ MCQS – Introduction, Loop, and Programming Free Practice

Important C++ MCQS – Introduction, Loop, and Programming Free Practice

Important C++ MCQS – Introduction, Loop, and Programming Free Practice C++ Mcqs covering all the concepts including introduction, loop, programming statements, etc. These C++ MCQs with answers are important to qualify any academic as well as competitive examinations.   C++ Mcqs with answers – Set I The wrapping up of data and functions into a single unit is called ———— a. Encapsulation b.…

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Software Engineering MCQ

Software Engineering MCQ

Software is a

a. Set of programs

b. Set of programs and documents

c. Set of models

d. None of the above

Answer a

  2. SDLC stands for

a.System development life cycle

b. Software development life cycle

c. System design life cycle

d. None of the above

Answer a

  3. Which of the following is not a part of Software engineering?

a. Software testing

b. Software verification

c.…