• Bangla

    ত্রিকোনোমিতির সব অংক; মাত্র ৫টি টেকনিকেই

    সুত্র ১: শীর্ষবিন্দুর উন্নতি কোন 30° হলে উচ্চতা নির্ণয়ের ক্ষেত্রে টেকনিক মনেরাখুন – উচ্চতা= [পাদদেশ হতে দুরত্ত্ব÷√3] . উদাহরন : একটি মিনাররের পাদদেশ হতে 20 মিটার দুরের ১টি স্থান হতে মিনারটির শীর্ষবিন্দুর উন্নতি কোন 30° হলে মিনারের উচ্চতা কত? . সমাধানঃ উচ্চতা =[পাদদেশ হতে দুরত্ত্ব÷√3] =20/√3 সুত্র২ : শীর্ষ বিন্দুর উন্নতি কোন 60 হলে উচ্চতা নির্ণয়ের ক্ষেত্রে টেকনিক মনেরাখুন- উচ্চতা [পাদদেশ হতে দুরত্ত্ব × √3] উদাহরনঃএকটি তাল গাছের পাদবিন্দু হতে 10 মিটার দুরবর্তী স্থান থেকে…

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  • Bangla

    Hall or Match- why I choose one over another?

      By Abdullah-Al-Mahmud Why I prefer match? Has privacy. No political harassment. No dinning problem. Have all my stuffs where it’s meant to be. I get used with it. I love this environment. My suit is in an excellent location not in front of highway by very close to it. Each and every accessories, foods, snacks are available here just in a foot distance. My department and my match is in a reasonable distance. Here…

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  • Impact of Internet on Library and Information Services

    Information is a vital element for any type of development. But, nowadays, information is increasingly growing up by leaps and bounds. In the perspective of knowledge proliferation, person who need to collect information is not possible easily for him. For removing this problems, Internet contributes a lots way in library and information center. The impacts of internet on library and information services are as follows:  Technical Processing: Internet provides access to publisher’s catalogues and OPACs…

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  • research.Types of research

    Research Research in common parlance refers to a search for knowledge. It is a scientific and systematic search for pertinentinformation on a specific topic. In fact, research is an art of scientific investigation. Cambridge Dictionary lays down the meaning of research as, “A detailed study of a subject, specially in order to discover new information or reach a new understanding.” According to Kerlinger, “Research is a systematic, controlled, empirical and critical investigation of hypothetical proposition…

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  • Types of Research methods

    Types of Research methods According to Cambridge Dictionary, “research method is a particular way of studying something in order to discover new information about it or understand it better.” A. Scientific method: Researchers used it for scientific purpose. It comes up with tools, equipments. B. Survey Method:It is highly used method. This is that type research that ishappened through collecting data by making some samples. Collect data throughquestionnaire, survey, conversation. C. Experimental Method: This method…

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  • Data Collection Methods

    Data Collection Methods “Data collection is the process of gathering and measuring information on variables of interest, in an established systematic fashion that enables one to answer stated research questions, test hypotheses and evaluate outcomes.” –Wikipedia The task of data collection begins after a research problem has been defined and research design/ plan chalked out. While deciding about the method of data collection, the researcher should keep in mind two types of data viz., primary…

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  • Uncategorized

    Networking Topology

    Topology Network Topology refers to layout pattern of the interconnection between computers in a network and how different nodes in a network are connected to each other and how they communicate. Device to a network is refer to as nodes. The most common nodes are computer and peripheral devices. Network topology is illustrated by showing these nodes and their connections using cables. Network topology is also refer to as network architecture. Topologies are either physical…

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  • Uncategorized

    Computer Network

    Computer Network A network is a group of interconnected systems sharing services and interacting by means of a shared communication link. A network, therefore, requires two or more individual systems with something to share (data). The individual systems must be connected through a physical pathway called the transmission medium. All system on the physical pathway must follow a set of common communication rules for data to arrive at its intended destination. The rules that govern…

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  • Various approaches of Information

                                    Information is an assemblage of data in a comprehensive from recorded on paper or some other medium and capable of communication. According to the needs and nature we found four approaches of information: 1.       Current approach, 2.       Everyday approach, 3.       Exhaustive approach, 4.       Catching up approach. 1. Exhaustive approach: ·         It provides exhaustive information on a special field of subject or its area. Inclusive information. ·         It’s a well-organised need to find out all…

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  • Active vs Passive Documentation

    Active vs Passive Documentation Active documentation Passive documentation         I.            Active documentation is an activity done inside the library.         I.            Passive documentation is a service which is done in the presence of the user.       II.            Active documentation is a set of activities for the analysis of literature.       II.            Passive documentation is for the search and location of information and the final provision of the information.    III.            The essential characteristic of active…

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