First Chapter: Knowledge Based Questions & Answers.

  1. What is data?

Data is the unprocessed raw material. In another way data is the smallest unit of information.

  1. What is information?

The output that we get by processing data is known as information. We get full concept about any object or person from information.

  1. What is information technology?

The technology related to collecting, storing, processing, carrying and analysing information is known as information technology.

  1. What is communication technology?

The technology related to transferring information from one place to another flawlessly is known as information technology. Again the technology related to data communication is known as Communication Technology. such as telephone, mobile phone, internet etc.

  1. What is global village?

Global village is such an environment where people of the world live together in a virtual society and and provide service to one another using electronic media.

  1. What is email?

Email is electronic mail. The process of sharing message using electronic devices through internet is known as email.

  1. What is video conferencing?

When more than two person from around the world communicate with each other by video calling and share information with each other is known as video conferencing. Video conferencing can be done with softwares like Skype and online social service Facebook Messenger.

  1. What is teleconferencing?

The process of conferencing staying at distant places around The world using telephone, mobile and other communicating devices is known as teleconferencing.

  1. What is outsourcing?

When an organization complete their unprocessed work using a third party organization or by hiring a freelancer is known as outsourcing.

  1. What is freelancing?

A freelancer or freelance worker, is a term commonly used for a person who is self employed and is not necessarily committed to a particular employer for long-term.

  1. What is distance learning or e-learning?

To receive proper education a student doesn’t require to go to city from remote villages, the other hand teachers can teach by staying at home. Also a student can attain exam online to justify themselves by staying at home. They can also view their results online. Using this technique time money and labour is saved. This concept is known as distance learning or e-learning.

  1. What is telemedicine?

When doctors and specialists provide service to patients staying at remote places using information and Communication Technology to determine diseases, provide advice and Healthcare service is known as telemedicine.

  1. What is office automation?

Office automation refers to the varied computer machinery and software used to digitally create, collect, store, manipulate, and relay office information needed for accomplishing basic tasks staying at distant places. raw data storage, electronic transfer, and the management of electronic business information comprise the basic activities of an office automation system.Office automation helps in optimizing or automating existing office procedures.

  1. What is smart home or home automation?

Smart home is such a system where the security control system, heating system, cooling system, lighting system and recreational system of any house can be controlled remotely from distant places using technological devices. Smart home is also known as home automation system.

  1. What is e-commerce?

Electronic Commerce is known as e-commerce. E-Commerce is such a business platform for buyers and sellers can buy or sell goods using internet and technological devices. some E-commerce platforms are alibaba.com, amazon.com, daraz.com.bd, rokomari.com etc.

  1. What is virtual reality?

When a three-dimensional artificial environment is created based on a real environment using hardware and software in a computer system is known as virtual reality. Using computer Technology artificial environment is created in such a way where users will experience a realistic environment.

  1. What is artificial intelligence?

The artificial way of making a electronic device think like a human is known as artificial intelligence.

  1. What is robotics?

The sector of Technology where design, creation, processing and discussion of robots are done is known as robotics.

  1. What is Robot?

Robot is a computer controlled electromachanical device which can actively perform any task according to the command of a person and created using hardware, software and necessary elements. it is created based on artificial intelligence.

  1. What is expert system?

Expert system is such a system which is computer controlled having the ability to think like human and solve Complex problems at the same time efficiently. it can also take decisions to achieve efficient success.

  1. What is cryosurgery?

Cryosurgery is such a treatment technique where extremely cold gases are used at specific regions of human body to destroy diseased cells. Greek “Cryo” means as cold as Ice and “surgery” means work of hand. Cryosurgery is often called as cry therapy.

  1. What is biometrics?

Biometrics is such a technology where the identification of a person is done by recognising the physical structure and behaviour structure of that person flawlessly.

  1. What is bioinformatics?

Bioinformatics is a branch of science where Computer technology, information theory and mathematical knowledge is used to analyse biological data. the data used in Bioinformatics are DNA, gene, amino acid and nucleic acid.

  1. What is genetic engineering?

To transfer genes and DNA from one organism separately to another organism in order to achieve a new variety using Technology is known as genetic engineering or genetic modification. the new species are known as genetically modified organisms.

  1. What is nanotechnology

Nanotechnology (“nanotech”) is manipulation of matter on an atomic, molecular, and supramolecular scale. please technology is used to design very small high end technological devices which are able to perform molecular tasks.

  1. What is plagiarism?

When a person or organisation copies the data of research materials and other things by partially changing them and uses it for their own benefit is known as plagiarism.

  1. What is phishing?

Phishing is the fraudulent attempt to obtain sensitive information such as usernames, passwords and credit card e details by disguising as a trustworthy entity in an electronic communication. Typically carried out by email spoofing or instant messaging, it often directs users to enter personal information at a fake website, the look and feel of which are identical to the legitimate website.

  1. What is vishing?

The phishing done using mobile telephone internet or area is known as voice phishing or vishing.

  1. What is spoofing?

The meaning of spoofing is betraying. in case of network security stuffing is such a technique for a person and a program uses fake information to break the security to achieve illegal advantages.

  1. What is hacking?

Hacking is a process where an individual interest a computer or computer network illegally. those who hack are known as hackers.

  1. What is digital convergence?

 

  1. What is spamming?

Sometimes unrecognised and unnecessary emails are found in email accounts which creates disturbance. such type of emails are known as spam email. when a person or organisation cents hundreds of emails to one specific email address in order to keep the server busy, occupy memory and Hinder the service quality. this process is known as a spamming.

  1. What is cybercrime?

The crime related to Computer technology is known as cyber crime.

 


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