Skip to main content

Environment pollution

Easy way of writing paragraph.

Environment pollution is one of the talked of the topics of today’s world. It is a global problem. It has become a serious problem in our country. The people of our country are destroying our valuable forest day by day .The environment of our country is being polluted for want of sufficient forest resource. Unplanned massive industrialization is another cause of environment pollution. Smoke coming out of mills and factories is polluting air. Waste materials and chemicals are polluting water. Insecticides and fertilizers also pollute water. Sound pollution, odor pollution, soil pollution and light pollution also pollute the environment. Environment pollution causes global warming which may bring about a serious cause of sufferings for the human beings in the near future. So, we should be aware of environment pollution for a healthier, happier and better life.

Comments

Popular posts from this blog

đŸ’ģ āĻ•āĻŽ্āĻĒিāωāϟাāϰ āĻŦিāώ⧟āĻ• āĻĒāϰিāĻĒূāϰ্āĻŖ āϏংāĻ•্āώিāĻĒ্āϤ āύোāϟ

đŸ’ģ āĻ•āĻŽ্āĻĒিāωāϟাāϰ āĻŦিāώ⧟āĻ• āĻĒāϰিāĻĒূāϰ্āĻŖ āϏংāĻ•্āώিāĻĒ্āϤ āύোāϟ đŸŸĸ ā§§. āĻ•āĻŽ্āĻĒিāωāϟাāϰ āĻ•ী? āĻ•āĻŽ্āĻĒিāωāϟাāϰ āĻāĻ•āϟি āχāϞেāĻ•āϟ্āϰāύিāĻ• āϝāύ্āϤ্āϰ, āϝা āĻ—াāĻŖিāϤিāĻ•, āϝৌāĻ•্āϤিāĻ• āĻ“ āϏিāĻĻ্āϧাāύ্āϤāĻŽূāϞāĻ• āĻ•াāϜ āĻ•āϰāϤে āĻĒাāϰে। āĻāϟি āĻĒূāϰ্āĻŦāύিāϰ্āϧাāϰিāϤ āύিāϰ্āĻĻেāĻļāύাāϰ (Programs) āĻŽাāϧ্āϝāĻŽে āĻĄেāϟা āĻĒ্āϰāϏেāϏ āĻ•āϰে, āϏংāϰāĻ•্āώāĻŖ āĻ•āϰে āĻ“ āĻĢāϞাāĻĢāϞ āĻĻেāĻ–া⧟। "Computer" āĻļāĻŦ্āĻĻāϟি āĻāϏেāĻ›ে Latin āĻļāĻŦ্āĻĻ "Computare" āĻĨেāĻ•ে, āϝাāϰ āĻ…āϰ্āĻĨ "to calculate"। đŸŸĸ āĻ•āĻŽ্āĻĒিāωāϟাāϰেāϰ āχāϤিāĻšাāϏ (āϏুāύ্āĻĻāϰāĻ­াāĻŦে āĻŦিāύ্āϝাāϏ āĻ•āϰা āύোāϟ) āφāĻŦাāĻ•াāϏ (Abacus) āĻĒৃāĻĨিāĻŦীāϰ āĻĒ্āϰāĻĨāĻŽ āĻ—āĻŖāύা āϝāύ্āϤ্āϰ। āĻ–্āϰিāϏ্āϟāĻĒূāϰ্āĻŦ āĻĒ্āϰা⧟ ⧍ā§Ģā§Ļā§Ļ āϏাāϞেāϰ āĻĻিāĻ•ে āĻŦ্āϝাāĻŦিāϞāύে āĻŦ্āϝāĻŦāĻšৃāϤ āĻšāϤো। āĻāϟি āĻ›িāϞ āĻšাāϤে āϚāϞাāύো āĻ—াāĻŖিāϤিāĻ• āĻšিāϏাāĻŦেāϰ āĻ•াāĻ াāĻŽো। āϚাāϰ্āϞāϏ āĻŦ্āϝাāĻŦেāϜ (Charles Babbage) ā§§ā§Žā§Šā§Š āϏাāϞে "Analytical Engine" āφāĻŦিāώ্āĻ•াāϰ āĻ•āϰেāύ। āϤাঁāĻ•ে āφāϧুāύিāĻ• āĻ•āĻŽ্āĻĒিāωāϟাāϰেāϰ āϜāύāĻ• āĻŦāϞা āĻšā§Ÿ (Father of Modern Computer)। āϤাঁāϰ āĻĄিāϜাāχāύেāχ āĻĒāϰāĻŦāϰ্āϤী āĻ•āĻŽ্āĻĒিāωāϟাāϰেāϰ āϧাāϰāĻŖা āφāϏে। āĻšাāϰ্āĻ­াāϰ্āĻĄ āĻŽাāϰ্āĻ•-ā§§ (Harvard Mark-1) āφāĻŦিāώ্āĻ•াāϰ: ⧧⧝ā§Ēā§Ē āϏাāϞে, IBM-āĻāϰ āϏāĻšāϝোāĻ—িāϤা⧟। āĻāϟি āĻ›িāϞ āĻĒ্āϰāĻĨāĻŽ āχāϞেāĻ•āϟ্āϰো-āĻŽেāĻ•াāύিāĻ•্āϝাāϞ āĻĄিāϜিāϟাāϞ āĻ•āĻŽ্āĻĒিāωāϟাāϰ। āĻĻৈāϰ্āϘ্āϝ āĻ›িāϞ ā§Ģā§§ āĻĢুāϟ, āωāϚ্āϚāϤা ā§Ž āĻĢুāϟ। āĻāϟি āχāύāĻĒুāϟ-āφāωāϟāĻĒুāϟāϏāĻš āϏ্āĻŦ⧟ংāĻ•্āϰি⧟āĻ­াāĻŦে āĻ•াāϜ āĻ•āϰāϤ। ENIAC (Electronic Numerical Integrator and Calculator...

āĻšাāϰ্āĻĄāĻ“ā§Ÿ্āϝাāϰ āĻ“ āĻŽেāĻŽোāϰি (āϏুāύ্āĻĻāϰ āĻ“ āϏāĻ িāĻ•āĻ­াāĻŦে āϏাāϜাāύো āύোāϟ)

đŸŸĸ āĻšাāϰ্āĻĄāĻ“ā§Ÿ্āϝাāϰ āĻ“ āĻŽেāĻŽোāϰি (āϏুāύ্āĻĻāϰ āĻ“ āϏāĻ িāĻ•āĻ­াāĻŦে āϏাāϜাāύো āύোāϟ) --- đŸ’ģ ā§§. āĻšাāϰ্āĻĄāĻ“āϝ়্āϝাāϰ (Hardware) "Hard" āĻŽাāύে āĻļāĻ•্āϤ āĻāĻŦং "ware" āĻŽাāύে āĻŦāϏ্āϤু āĻŦা āϜিāύিāϏ। āĻ…āϰ্āĻĨাā§Ž, āĻ•āĻŽ্āĻĒিāωāϟাāϰেāϰ āϝে āϏāĻŦ āĻ…ংāĻļ āĻĻেāĻ–া āĻ“ āĻ›োঁāϝ়া āϝাāϝ়, āϏেāĻ—ুāϞোāĻ•ে āĻšাāϰ্āĻĄāĻ“āϝ়্āϝাāϰ āĻŦāϞা āĻšāϝ়। āωāĻĻাāĻšāϰāĻŖ: āĻ•িāĻŦোāϰ্āĻĄ, āĻŽাāωāϏ, āĻŽāύিāϟāϰ, āĻĒ্āϰিāύ্āϟাāϰ, āĻšাāϰ্āĻĄāĻĄিāϏ্āĻ• āχāϤ্āϝাāĻĻি। 🔸 āĻšাāϰ্āĻĄāĻ“āϝ়্āϝাāϰāĻ•ে ā§Š āĻ­াāĻ—ে āĻ­াāĻ— āĻ•āϰা āϝাāϝ়: 1. āχāύāĻĒুāϟ āĻĄিāĻ­াāχāϏ (Input Devices) ➤ āϝা āĻĻিāϝ়ে āĻ•āĻŽ্āĻĒিāωāϟাāϰে āĻĄেāϟা āĻŦা āύিāϰ্āĻĻেāĻļāύা āĻĒ্āϰāĻĻাāύ āĻ•āϰা āĻšāϝ়। ➤ āωāĻĻাāĻšāϰāĻŖ: āĻ•িāĻŦোāϰ্āĻĄ, āĻŽাāωāϏ, āϏ্āĻ•্āϝাāύাāϰ, āĻĄিāϜিāϟাāϞ āĻ•্āϝাāĻŽেāϰা, āĻĒেāύāĻĄ্āϰাāχāĻ­, āϞাāχāϟ āĻĒেāύ, āĻ“āϏিāφāϰ āĻŽেāĻļিāύ, āĻ“āĻāĻŽāφāϰ āĻŽেāĻļিāύ। 2. āϏিāϏ্āϟেāĻŽ āĻŦা āĻĒ্āϰāϏেāϏিং āχāωāύিāϟ (System Unit) ➤ āĻĄেāϟা āĻĒ্āϰāĻ•্āϰিāϝ়াāĻ•āϰāĻŖ āĻ“ āϏংāϰāĻ•্āώāĻŖেāϰ āĻ•াāϜ āĻ•āϰে। ➤ āωāĻĻাāĻšāϰāĻŖ: āĻšাāϰ্āĻĄāĻĄিāϏ্āĻ• (HDD), SSD, āϰ‌্āϝাāĻŽ, āϰāĻŽ, āĻĒ্āϰāϏেāϏāϰ (CPU), āĻŽাāĻĻাāϰāĻŦোāϰ্āĻĄ, āĻĄিāϏāĻĒ্āϞে āĻ•াāϰ্āĻĄ। 3. āφāωāϟāĻĒুāϟ āĻĄিāĻ­াāχāϏ (Output Devices ) ➤ āĻĒ্āϰāĻ•্āϰিāϝ়াāϜাāϤ āĻĄেāϟা āĻĻেāĻ–াāϝ় āĻŦা āĻĒ্āϰিāύ্āϟ āĻ•āϰে। ➤ āωāĻĻাāĻšāϰāĻŖ: āĻŽāύিāϟāϰ, āĻĒ্āϰিāύ্āϟাāϰ, āϏ্āĻĒিāĻ•াāϰ, āϰেāĻ•āϰ্āĻĄাāϰ, āĻĒ্āϰāϜেāĻ•্āϟāϰ। --- đŸŸĸ ⧍.  āĻšাāϰ্āĻĄāĻ“āϝ়্āϝাāϰ āĻ“ āϏāĻĢāϟāĻ“āϝ়্āϝাāϰেāϰ āĻĒাāϰ্āĻĨāĻ•্āϝ (āĻĒāϝ়েāύ্āϟ āφāĻ•াāϰে ) 🔸 āĻšাāϰ্āĻĄāĻ“āϝ়্āϝাāϰ : 1. āĻ•āĻŽ্āĻĒিāωāϟাāϰেāϰ āĻĻৃāĻļ্āϝāĻŽাāύ āĻ“ āϏ্āĻĒāϰ্āĻļāϝোāĻ—্āϝ āĻ…ংāĻļ। 2. āĻŦাāĻš্āϝিāĻ• āĻ—āĻ āύ āϤৈāϰি āĻ•āϰে, āϝেāĻŽāύ āĻ•িāĻŦোāϰ্āĻĄ...

āĻ•āĻŽ্āĻĒিāωāϟাāϰেāϰ āĻĒ্āϰāϜāύ্āĻŽāĻ­িāϤ্āϤিāĻ• āĻŦিāĻŦāϰ্āϤāύ (Generations of Computers)

 đŸ’ģ āĻ•āĻŽ্āĻĒিāωāϟাāϰেāϰ āĻĒ্āϰāϜāύ্āĻŽāĻ­িāϤ্āϤিāĻ• āĻŦিāĻŦāϰ্āϤāύ (Generations of Computers) ā§§āĻŽ āĻĒ্āϰāϜāύ্āĻŽ (⧧⧝ā§Ēā§Ļ–⧧⧝ā§Ģā§Ŧ) āĻĒ্āϰāϝুāĻ•্āϤি: āĻ­্āϝাāĻ•ুāϝ়াāĻŽ āϟিāωāĻŦ āχāύāĻĒুāϟ/āφāωāϟāĻĒুāϟ: āĻĒাāĻž্āϚ āĻ•াāϰ্āĻĄ āĻ“ āĻ•াāĻ—āϜে āĻ›াāĻĒা āφāωāϟāĻĒুāϟ āĻŽেāĻŽোāϰি: āĻŽ্āϝাāĻ—āύেāϟিāĻ• āĻĄ্āϰাāĻŽ/āϟেāĻĒ āĻ­াāώা: āĻŽেāĻļিāύ āϞ্āϝাāĻ™্āĻ—ুāϝ়েāϜ āĻŦৈāĻļিāώ্āϟ্āϝ: āĻŦāĻĄ় āφāĻ•ৃāϤিāϰ, āĻ—āϰāĻŽ āĻšāϤো, āϧীāϰāĻ—āϤি āωāĻĻাāĻšāϰāĻŖ: ENIAC, UNIVAC I, IBM 650 ⧍āϝ় āĻĒ্āϰāϜāύ্āĻŽ (⧧⧝ā§Ģā§Ŧ–⧧⧝ā§Ŧā§Š) āĻĒ্āϰāϝুāĻ•্āϤি: āϟ্āϰাāύāϜিāϏ্āϟāϰ āχāύāĻĒুāϟ/āφāωāϟāĻĒুāϟ: āĻĒাāĻž্āϚ āĻ•াāϰ্āĻĄ āĻ“ āĻĒ্āϰিāύ্āϟাāϰ āĻŽেāĻŽোāϰি: āĻŽ্āϝাāĻ—āύেāϟিāĻ• āĻ•োāϰ āĻ­াāώা: āĻ…্āϝাāϏেāĻŽ্āĻŦāϞি, FORTRAN, COBOL āĻŦৈāĻļিāώ্āϟ্āϝ: āφāĻ•াāϰে āĻ›োāϟ, āĻĻ্āϰুāϤāĻ—āϤি, āϤুāϞāύাāĻŽূāϞāĻ• āύিāϰ্āĻ­āϰāϝোāĻ—্āϝ āωāĻĻাāĻšāϰāĻŖ: IBM 1401, IBM 7090, UNIVAC 1107 ā§Šāϝ় āĻĒ্āϰāϜāύ্āĻŽ (⧧⧝ā§Ŧā§Ē–⧧⧝⧭⧧) āĻĒ্āϰāϝুāĻ•্āϤি: āχāύ্āϟিāĻ—্āϰেāϟেāĻĄ āϏাāϰ্āĻ•িāϟ (IC) āχāύāĻĒুāϟ/āφāωāϟāĻĒুāϟ: āĻŽāύিāϟāϰ, āĻ•ীāĻŦোāϰ্āĻĄ āĻŽেāĻŽোāϰি: āĻŽ্āϝাāĻ—āύেāϟিāĻ• āĻĄিāϏ্āĻ• āĻ­াāώা: BASIC, Pascal, C āĻŦৈāĻļিāώ্āϟ্āϝ: GUI (Graphical User Interface) āĻāϰ āϏূāϚāύা āωāĻĻাāĻšāϰāĻŖ: IBM 360, IBM 370, PDP-11 ā§Ēāϰ্āĻĨ āĻĒ্āϰāϜāύ্āĻŽ (⧧⧝⧭⧧–āĻŦāϰ্āϤāĻŽাāύ) āĻĒ্āϰāϝুāĻ•্āϤি: āĻŽাāχāĻ•্āϰোāĻĒ্āϰāϏেāϏāϰ (VLSI) āχāύāĻĒুāϟ/āφāωāϟāĻĒুāϟ: āĻŽাāωāϏ, āϏ্āĻ•্āϝাāύাāϰ, āĻŽāύিāϟāϰ āĻŽেāĻŽোāϰি: RAM, ROM, āĻšাāϰ্āĻĄāĻĄিāϏ্āĻ•, SSD āĻ­াāώা: C++, Java, Python āĻŦৈāĻļিāώ্āϟ্āϝ: āĻ›োāϟ āφāĻ•ৃāϤি, āĻĻ্āϰুāϤ, āϏাāĻļ্āϰāϝ়ী āωāĻĻাāĻšāϰāĻŖ: IBM PC, Apple Macintosh ā§ĢāĻŽ āĻĒ্āϰāϜāύ্āĻŽ (āĻŦāϰ্āϤāĻŽাāύ āĻ“ āĻ­āĻŦ...