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Computer fundamental full

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Computer fundamental full

  1. 1. Computer Fundamental Created by: Md. Kamrul Hassan Bappy Page: 1 of 6 E-mail: info@khola-janala.com What Is Computer? Kw¤úDUvi wK? Computer kãwUi mvaviY A_© n‡”Q MYK hš¿| j¨vwUb kã Compute †_‡K Bs‡iRx Computer k‡ãi DrcwË| Compute kãwUi A_© MYbv ev wnmve wbKvk Kiv| Kw¤úDUv‡ii mvnv‡h¨ g~jZt †hvM, we‡qvM, ¸Y, fvM BZ¨vw` Kvhv©ejx m¤úv`b Kiv hvq| wKš‘ eZ©gvb hy‡M Kw¤úDUv‡ii eûgyLx e¨env‡ii d‡j Kw¤úDUv‡ii ms½v A‡bK e¨vcKZv jvf K‡i‡Q| †Kvb mxwgZ ms½v w`‡q Avi Kw¤úDUvi‡K MÛxe× Kiv hvq bv| Who Is The Inventor Of Computer? Kw¤úDUvi -Gi Avwe®‹viK ‡K? wewkó weÁvbx weªwUk MwYZwe` Pvj©m e¨v‡eR AvaywbK Kw¤úDUv‡ii g~jbxwZ wbav©iY K‡ib| ‰eÁvwbK cÖhyw³i Afv‡e e¨v‡e‡Ri GB g~jbxwZ ev¯—evqb Kiv m¤¢e nqwb| ZeyI Zvui GB hyMvš—Kvix wPš—vfvebv Ges cÖ‡Póvi Rb¨ Zvu‡K AvaywbK Kw¤úDUv‡ii RbK ejv nq| 1887 mv‡j Wv³vi nvigvb n‡jwi_ Av‡gwiKvi Av`gïgvixi KvR `ª“Z m¤úv`‡bi Rb¨ Pvj©m e¨v‡e‡Ri g~jbxwZ wb‡q M‡elbv ïi“ K‡ib| c‡i 1911 mv‡j `yÕwU wfbœ ‡Kv¤úvbxi mn‡hvMxZvq wZwb KgwcDwUs, †Uey‡jwUs I †iKwW©s †Kv¤úvbx cÖwZôv K‡ib| hv c‡i wek¦ weL¨vZ IBM (International Business Machine) -G iƒcvš—wiZ nq| Computer Structure: Kw¤úDUvi Gi MVb cÖbvjxt Computer g~jZt wZbwU As‡k wef³| †hgb t 1. Input Device. D`vniYt Kx †evW©, gvDm, Rqw÷K, MÖvwd· c¨vW, ¯‹vbvi BZ¨vw`| 2. Central Processing Unit (CPU) 3. Output Device. D`vniYt gwbUi, wcÖ›Uvi, w¯úKvi cÖf„wZ| Deference Between Computer & Human Being: Kw¤úDUvi I gvby‡li g‡a¨ cv_©K¨t Kw¤úDUvi I gvby‡li g‡a¨ cv_©K¨ n‡jv Kw¤úDUvi †h †Kvb Kv‡Ri djvdj AwZ `ª“Z MwZ‡Z cÖ`k©b K‡i| wKš‘ gvbyl Zv cv‡i bv| Zv m‡Ë¡I gvbyl Kw¤úDUv‡ii †P‡q eyw×gvb| Kvib Kw¤úDUvi gvby‡li nv‡Z Mov GKwU B‡jKUªwb· hš¿| Zvi †P‡q eo KviY n‡jv Kw¤úDUv‡ii wbR¯^ †Kvb eyw× †bB| gvbyl hw` Zvi ¯§„wZ ev †g‡gvix‡Z md&UIqvi †mU K‡i †`q Zvn‡j †m H md&UIqv‡ii mvnvh¨ wb‡q Avgv‡`i mvg‡b Z_¨ cÖ`vb Ki‡e| Zvi †ekx ev Kg Ki‡e bv| Classification Of Computer: Kw¤úDUvi Gi MVb cÖbvjxt MVb I D‡Ïk¨ †f‡` Kw¤úDUvi‡K `yB fv‡M fvM Kiv hvq| h_vt Analog Computer Digital Computer GQvov Dc‡iv³ `yB ai‡Yi Kw¤úDUvi Gi mswgkª‡b Av‡iKwU Kw¤úDUvi ˆZix n‡q‡Q| Gi bvg Hybrid Computer| Note : wWwRUvj Kw¤úDUvi‡K Avevi Pvi fv‡M fvM Kiv nq| h_vt 1. mycvi Kw¤úDUvi 2. †gBb‡d«g Kw¤úDUvi 3. wgwb‡d«g Kw¤úDUvi 4. gvB‡ v Kw¤úDUvi ev, cv‡m©vbvj Kw¤úDUvi| wb‡P Gi m¤ú‡K© Zz‡j aiv nj| Classification Of Digital Computer: wWwRUvj Kw¤úDUvi Gi MVb cÖbvjxt Super Computer. D`vniYt fvi‡Zi wbR¯^ ˆZix K…Z mycvi Kw¤úDUvi ÔcigÕ| GQvov i‡q‡Qt Cray-1, Cyber-205. Mainframe Computer. D`vniYt UNIVAC 1100/11, IBM 6120, NCR N8370, IBM 4341. Miniframe Computer. D`vniYt PDP 11, NOV A3, IBM S/34, IBM S/36. Micro Computer. D`vniYt eZ©gv‡b Avgiv †h me Kw¤úDUvi †`wL Zvi meB n‡”Q gvB‡ v ev, cv‡m©vbvj Kw¤úDUvi| G‡`i g‡a¨ i‡q‡Q : Apple 64, IBM PC, TRS 80 cÖf„wZ| BbcyU wWfvBm MvwbwZK hyw³ Ask -----------^----------- ‡m›Uªvj BDwbU --- > -----------^----------- ¯§„wZ GjvKv AvDUcyU wWfvBm
  2. 2. Computer Fundamental Created by: Md. Kamrul Hassan Bappy Page: 2 of 6 E-mail: info@khola-janala.com Measurement Of Data Of The Computer: Computer -Gi Z_¨ cwigv‡ci GKKt evBbvix bv¤^vi c×wZ‡Z e¨eüZ AsK 0 (ïb¨) Ges 1 (GK) ‡K Bit e‡j| Bs‡iRx Binary k‡ãi Bi I Digit k‡ãi t wb‡q Bit kãwU ˆZix n‡q‡Q| Kw¤úDUvi ¯§„wZ‡Z iw¶Z 0 I 1 Gi †KvW w`‡q wewfbœ Z_¨ msiw¶Z _v‡K| G Kvi‡Y Kw¤úDUv‡ii ¯§„wZi aviY ¶gZvi ¶y`ª GKK wnmv‡e Bit kãwU e¨eüZ nq| Kw¤úDUvi GB 0 I 1 Øviv †h we‡kl c×wZ‡Z Kw¤úUv‡ii KvR K‡i Zv‡K Kw¤úUv‡ii hvwš¿K fvlv ejv nq| Bit, Byte, KB,MB,GB Ges Gi g‡a¨ m¤úK©t Kw¤úDUv‡ii ¯§„wZ‡Z weU, evBU ev Kw¤úDUv‡ii kã avi‡Yi msL¨v Øviv aviY ¶gZv wb‡`©k Kiv hvq| mvavibZt evBU w`‡q ¯§„wZi aviY ¶gZv cÖKvk Kiv nq| Z‡e ejv `iKvi †h weU n‡”Q Kw¤úUv‡ii msL¨v c×wZi ¶z`ªZg GKK| G‡`i g‡a¨ m¤ú©K wb‡P Zz‡j aiv njt 8 Bit = 1 Byte 1024 Byte = 1 Kilobyte(KB) [1 Byte = 1 Character] 1024 Kilobyte = 1 Megabyte (MB) 1024 Megabyte = 1 Gigabyte (GB) 1024 Gigabyte= 1 Terabyte (TB) How Many Parts Of A Computer? Kw¤úDUvi Gi KqwU Ask I wK wK? There are two parts of a Computert Hardware: Kw¤úDUv‡ii mKj cÖKvi hš¿ ev, hš¿vsk‡K Hardware (nvW©Iq¨vi) ejv nq| Software : wb®cÖvb nvW©Iq¨vi‡K Kvh©¶g K‡i mw q K‡i †Zvjvi Rb¨ e¨eüZ ‡cÖvMÖvgB n‡”Q mdUIq¨vi| What Is Memory? ¯§„wZ wK? gvby‡li g‡Zv Kw¤úDUv‡iiI †g‡gvix ev, ¯§„wZ i‡q‡Q| Kw¤úDUv‡ii ¯§„wZ‡K `yB fv‡M ch©vwqZ Kiv hvq| h_vt 1. cÖavb ¯§„wZ (Main memory) †hgbt RAM, ROM| 2. mnvqK ¯§„wZ (Auxiliary memory) †hgbt d¬wc wW‡¯‹U, nvW©wW¯‹, Kgc¨v± wW¯‹ cÖf„wZ| What Is RAM? i¨vg wK? RAM (Random Access Memory) GKwU A¯’vqx (Volatile) ¯§„wZ fvÛvi | Input Device n‡Z mKj cÖKvi Z_¨ RAM G Rgv nq| cÖavb ¯§„wZi G As‡k hLb ZLb bZzb Z_¨ †jLv hvq, Z_¨ cov hvq Ges B”Qv Ki‡j Z_¨ mg~n gy‡Q †djv hvq| RAM -Gi Z_¨ cov I †jLv Dfq KvRB m¤úv`b Kiv hvq e‡j G‡K wjLb cVb ¯§wZI (Read Write Memory) ejv n‡q _v‡K| we`y¨r mieivn eÜ n‡j RAM G iw¶Z mKj Z_¨ gy‡Q hvq| ZvB G‡K A¯’vqx ¯§„wZ wnmv‡e AwfwnZ Kiv nq| What Is ROM? ig wK? ROM (Read Only Memory) GKwU ¯’vqx (Non Volatile) ¯§„wZ fvÛvi| cÖavb ¯§„wZi GB AskwU ¯’vqx, AcwieZ©bxq I AaŸsmvZ¡K ¯§„wZ| Computer -G we`y¨r mieivn eÜ K‡i w`‡jI GB ¯§„wZ‡Z iw¶Z Z_¨ gy‡Q hvq bv| ROM -G bZzb wKQy ms‡hvRb, ms‡kvab ev cwieZ©b Kiv hvq bv| GB As‡k wjwLZ Z_¨ ïaygvÎ cov hvq, wKš‘ †jLv hvq bv| ZvB G‡K ¯’vqx ¯§„wZ wnmv‡e AwfwnZ Kiv nq|
  3. 3. Computer Fundamental Created by: Md. Kamrul Hassan Bappy Page: 3 of 6 E-mail: info@khola-janala.com What Is Disk? wW¯‹ wK? Computer Gi hveZxq Z_¨ msi¶Y Kivi Avavi †K Disk e‡j| Disk `yB ai‡bi n‡q _v‡K| †hgbt 1. Floppy Disk 2. Hard Disk. GQvovI evRv‡i AviI GK ai‡bi Disk cvIqv hvq hvi bvg Compact Disk (CD). wW¯‹ Gi aviY ¶gZv wbæwjwLZ: Floppy Disk: 1.44 Megabyte (MB) [ For 31 /2 Floppy Disk ] Compact Disk: 150 Megabyte (MB) †_‡K 800 Megabyte (MB) Hard Disk: 15 Gigabyte (GB) †_‡K 800 Gigabyte (GB) DVD Disk: 700 Megabyte (MB) †_‡K 12 Gigabyte (GB) What Is Operating System? Operating System wK? Operate (Pvjv‡bv) ‡_‡K Operating k‡ãi DrcwË| k‡ãi AvwfavwbK A_© n‡jv cwiPvjbv Kiv| Avi System k‡ãi A_© n‡jv c×wZ| Operating System ej‡Z Kw¤úDUvi cwiPvjbv Kivi c×wZ‡K eySvq| Operating System ej‡Z cwiPvjbv Kiv eySvq bv| hLbB Avgiv †Kvb Kw¤úDUvi Pvjy Ki‡Z hvB Zvi c~‡e© Avgv‡`i‡K Rvb‡Z n‡e Kw¤úDUv‡i Operating System Av‡Q wKbv| †Kbbv Operating System Kw¤úDUv‡ii mg¯— Ask wbqš¿b K‡i| Zvjve× GKwU N‡i cÖ‡ek Ki‡Z n‡j ‡hgb Pvwei cÖ‡qvRb nq, bv n‡j XyKv m¤¢e bq| †Zgwb fv‡e Kw¤úDUvi Pvjv‡Z cÖ‡qvRb nq Operating System. †hgbt DB‡ÛvR, BDwb·, wjbv·, g¨vK IGm, cvIqvi I‡cb cÖf„wZ| What Is Startup Disk? ÷vU© Avc wW¯‹ wK? Acv‡iwUs wm‡÷gi ‡hme dvBj †jvwWs Gi gva¨‡g Kw¤úDUvi Pvjy nq †m¸‡jv n‡”Q ÷vU© Avc dvBj| Ges Kw¤úDUv‡ii †h ¯§„wZ‡Z GB ÷vU© Avc dvBj¸‡jv msiw¶Z _v‡K Zv n‡”Q Acv‡iwUs wm‡÷g| mvavibZ GUI B›Uvi‡dm mg„× DB‡Ûv‡Ri ÷vU©Avc wW¯‹ wn‡m‡e nvW©wW¯‹ Ges Dos ‡gv‡Wi Rb¨ ÷vU© Avc wW‡¯‹U wn‡m‡e d¬wc wW¯‹ e¨eüZ nq| What Is Windows? Windows wK? Windows n‡jv Microsoft Corporation KZ…©K evRviRvZK…Z GKwU kw³kvjx Operating System. Windows Operating System -Gi Aax‡b A‡bK¸‡jv Application Software _v‡K hv †m cwiPvjbv K‡i _v‡K| DOS (Disk Operating System) -Gi Aax‡b †h me Application Software _v‡K †m¸‡jv Avgiv DOS Command Gi gva¨‡g cwiPvjbv Kwi| DOS Command -Gi RwUjZv `~i Kivi Rb¨ Microsoft Corporation Windows Operating System wU †ei K‡ib| GLv‡b Application Software ¸‡jv cwiPvjbvmn mKj KvR Mouse I Keyboard Gi mgš^‡q Lye mn‡R Kiv hvq| Various Types Of Windows Operating System’s Verson: Windows Acv‡iwUs wm‡÷‡gi fvm©‡bi wewfbœZvt Av‡MB ejv n‡q‡Q DB‡ÛvR GKwU kw³kvjx Acv‡iwUs wm‡÷g| ïay ZvB bq GwU †hgb BDRvi †d«‡Ûjx †Zgwb eûj e¨eüZ GKwU Acv‡iwUs wm‡÷g| GwUi wewfbœ fvm©b i‡q‡Q| ‡hgbt Windows 98, Windows 2000, Windows ME. eZ©gv‡b bZzb e¨eüZ DB‡ÛvR n‡”Q Windows XP. GQvovI ‡bUIqvwK©s Gi Rb¨ e¨eüZ Acv‡iwUs wm‡÷g nj Windows NT. Acv‡iwUs wm‡÷‡gi wfbœZvi `i“b G‡K bvbv ai‡bi fvm©‡b fvM Kiv nq| DB‡ÛvR 95 Gi Av‡Mi Kvi Acv‡iwUs wm‡÷g ¸‡jv wQj 16 we‡Ui| Gici 95, 98, 2000, Gg B, GbwU GB ms¯‹iY ¸wj wQj 32 we‡Ui| eZ©gv‡b DB‡ÛvR G·wc evRv‡i Av‡Q| GwU 64 we‡Ui Acv‡iwUs wm‡÷g Ges Ab¨vb¨ Acv‡iwUs wm‡÷g¸‡jvi †P‡q me©v‡c¶v †ekx cvidi‡gÝ w`‡Z m¶g| gvB‡ vmdU cieZ©x‡Z DB‡ÛvR jsnb© GwWkb evRv‡i Qvoevi c`‡¶c wb‡”Q|
  4. 4. Computer Fundamental Created by: Md. Kamrul Hassan Bappy Page: 4 of 6 E-mail: info@khola-janala.com What is Computer’s Booting Process? Kw¤úDUv‡ii eywUs cÖ‡mm wK? Kw¤úDUvi Ab Kivi ci †h Kvj ¯Œx‡b Kw¤úDUv‡ii nvW©Iq¨vi I Ab¨vb¨ m¤úwK©Z wewfbœ Z_¨ Avm‡Z _v‡K ZvB Kw¤úDUv‡ii eywUs cÖ‡mm| GB mg‡q ÷vU© Avc wW¯‹ n‡Z Z_¨ i¨v‡g P‡j Av‡m Ges ev‡qvm, Autoexec.bat, Config.sys BZ¨vw` dvBj¸‡jv †jvW nq| How To Start A Computer? Kw¤úDUvi Pvjy Kiv hvq wKfv‡e? cÖ_‡g Kw¤úDUv‡ii we`y¨r mieiv‡ni hveZxq jvBb wVK Av‡Q wKbv Zv †`‡L myBP Ab Ki‡Z n‡e| GLb Casing Box Gi Power Switch evU‡b wUc w`‡q Kw¤úDUvi ON Ki‡Z n‡e| wKQy¶Y A‡c¶v Kivi ci KZ¸‡jv Folder/Icon mn Windows Desktop Screen cÖ`wk©Z n‡e| Introducing on Windows Screen: DB‡ÛvR Gi ¯Œxb cwiwPwZt c~‡e©B ejv n‡q‡Q Kw¤úDUv‡ii Power On K‡i we`y¨r ms‡hvM mva‡bi ci hw` Kw¤úDUviwU Windows Operating System Gi gva¨‡g P‡j Z‡e Aí¶‡bi g‡a¨ Avcwb DB‡Ûv‡Ri Screen ‡`L‡Z cv‡eb| Z‡e Avcbv‡K Rvb‡Z n‡e DB‡ÛvR ¯Œx‡bi †ek wKQy ˆewkó¨ i‡q‡Q| hv †`L‡jB Avcbv‡K eyS‡Z n‡e Kw¤úDUv‡ii GwU Windows Operating System Gi ¯Œxb Ges KvR m¤úv`b Kivi Rb¨ mew`K †_‡K cÖ¯‘Z| DB‡Ûv ¯Œx‡bi GB ˆewkó¨ ¸wj wb‡gœ Zz‡j aiv njt My Computer t ¯Œx‡bi hveZxq AvBKb ¸‡jvi g‡a¨ My Computer GKwU| GwU w`‡q Kw¤úDUv‡ii nvW©wW‡¯‹i WªvBf ¸‡jv‡K cÖ‡ek Kiv mn dvBj, †cÖvMÖvg BZ¨vw` I‡cb Kiv hvq| My Documents t wWdvë †mwUs wn‡m‡e GB AvBKbwU ¯Œx‡bi My Computer Gi wb‡PB Ae¯’vb K‡i| Gi g‡a¨ Avgiv †h me Document RwbZ Kvh©vejx m¤úv`b Kwi Zv G‡m Rgv nq| Recycle Bin t ¯Œx‡bi Ab¨vb¨ AvBKb¸‡jvi mv‡_ Recycle Bin bv‡gI GKwU AvBKb _v‡K| Bnv Kw¤úDUv‡ii Wvóweb wn‡m‡e f~wgKv cvjb K‡i| Avgiv A‡bK mgq Avgv‡`i AcÖ‡qvRbxq dvBj ¸‡jv gy‡Q †dwj| Zv G‡m GLv‡b Rgv nq| Gici Recycle Bin Empty Kivi gva¨‡g dvBj ¸‡jv Kw¤úDUvi n‡Z wPiZ‡i gy‡Q w`‡Z nq| wimvB‡Kj web n‡Z GKevi gy‡Q †djv dvBj Avi KLbI †diZ Av‡m bv| Taskbar t Windows ¯Œx‡bi wb‡Pi w`‡K AbyfywgKfv‡e (Horizontally) we`¨gvb Ber wUi bvg Windows Task Bar. Bnv A‡b‡Ki Kv‡Q Avevi ÷vUvm evi wn‡m‡eI cwiwPZ| Gi mevi Wvb w`‡K _‡K U¨v¯‹ AvBKb| Kw¤úDUvi Pvjy nevi mg‡qB G¸‡jv †jvW nq| Gi mv‡_ Kw¤úDUv‡ii NwoI Ae¯’vb K‡i| Gi Øviv eZ©gvb mgq Rbv hvq| Start Button t Windows Taskbar Gi evg w`‡K Ò STARTÓ †jLv GKwU evUb cv‡eb| Gi Øviv Operating System Gi †h‡Kvb Kvh© m¤úv`b Kiv hvq| Kw¤úDUv‡i Bb÷j Kiv ‡cÖvMÖvgI Gi Øviv Pvjy Kiv hvq| ÷vU© †gby‡Z †h‡q Avcwb †h Ackb †`L‡Z cv‡ib †m¸‡jv n‡”Q Shutdown, Run, Search/Find cÖf„wZ| Avi mve‡gby¸‡jvi g‡a¨ cv‡eb Programs, Documents, Settings cÖf„wZ| Z‡e DB‡ÛvR G·wc‡Z wKQyUv wfbœZv j¶¨ Kiv hvq|
  5. 5. Computer Fundamental Created by: Md. Kamrul Hassan Bappy Page: 5 of 6 E-mail: info@khola-janala.com Using of Start Button: ÷vU© evU‡bi e¨envit Kw¤úDUv‡i Avcwb bigvj A_ev, mvBb&‡UwdK Dfq cÖKvi K¨vjKz‡jUi e¨envi Ki‡Z cvi‡eb| GRb¨ gvD‡mi mvnv‡h¨ wbgœwjwLZ KvRwU Ki“b| Opening Calculator: Start > Programs > Accessories > Calculator Avcwb Avcbvi wjLvi Kvh©vw` Kw¤úDUv‡i IqvW©c¨vW e¨envi K‡i m¤úv`b Ki‡Z cv‡ib| GRb¨ Avcwb wb‡Pi KvRwU Ki“b| Opening a word processing program: Start > Programs > Accessories > WordPad Kw¤úDUv‡i mvaviY Qwe AvuKv AuvwKi Kv†R Avcwb †cB›U ‡cÖvMÖvg e¨envi Ki‡Z cv‡ib| wb‡gœ †cB›U †cÖvMÖvg †Lvjvi c×wZ †`qv nj| Open Paint Program: Start > Programs > Accessories > Paint How To Create A Folder? wKfv‡e ‡dvìvi ‰Zix Kiv hvq? DB‡Ûv‡Z gvD‡mi Right Button Øviv wK¬K Ki“b| New mve‡gby‡Z hvb| Folder G wK¬K Ki“b| ‡h‡Kvb GKwU bvg w`b| Kx †ev‡W©i Enter G Pvc w`b| How To Delete A Folder? wKfv‡e ‡dvìvi ‡gvQv hvq? Folder wm‡j± Ki“b| Press Delete Key [ Kx‡evW© †_‡K ] Yes G wK¬K Ki“b| Gevi †W¯‹U‡ci ¯Œxb n‡Z Recycle Bin Gi Dci gvD‡mi Right Button Øviv wK¬K Ki“b| †h g¨v‡mR e·wU Avm‡e Zv‡Z Yes evU‡b wK¬K Ki“b| How To View File Or Folder? wKfv‡e dvBj ev †dvìvi Gi welqe¯‘ †`Lv hvq? Folder wm‡j± Ki“b| gvD‡mi Right Button Øviv wK¬K Ki“b| Properties G hvb| General U¨v‡e hvb| ‡`Lv †kl n‡j OK evU‡b wK¬K Ki“b| How To Shut Down A Computer? wKfv‡e Kw¤úDUvi eÜ Kivi hvq? U¨v¯‹ev‡ii Start †Z wK¬K Ki“b| Shut Down G wK¬K Ki“b| GLb Shut Down AckbwU Choose Ki“b| OK ‡Z wK¬K Ki“b| AT Casing Gi †¶‡Î Ò It’s now save to turn off your computer Ó ¯ŒxbwU Avm‡j Kw¤úDUv‡ii cvIqvi myB‡P Pvc w`‡q Kw¤úDUvi eÜ K‡i w`b| Gevi ‰e`y¨wZK †gBb myBP Ad Ki“b| ATX Casing Gi †¶‡Î Ò It’s now save to turn off your computer Ó ¯ŒxbwU G‡m Kw¤úDUvi A‡Uv‡gwUK eÜ n‡q hv‡e| cvIqvi myB‡P Pvc w`‡q Kw¤úDUvi eÜ K‡i w`evi cÖ‡qvRb n‡e bv| Gevi mivmwi ‰e`y¨wZK †gBb myBP Ad Ki“b|
  6. 6. Computer Fundamental Created by: Md. Kamrul Hassan Bappy Page: 6 of 6 E-mail: info@khola-janala.com How To Restart A Computer? wKfv‡e Kw¤úDUvi cybivq Pvjy Kivi hvq? Av‡Mig‡Zv GeviI U¨v¯‹ev‡ii Start †Z wK¬K Ki“b| Shut Down G wK¬K Ki“b| GLb Restart AckbwU Choose Ki“b| OK ‡Z wK¬K Ki“b| ‡`Lv hv‡e cybivq eywUs cÖ‡mm Pvjy n‡q Kw¤úDUvi mPj n‡q‡Q| mywcÖq cÖwk¶bv_©xe„›`, ï‡f”Qv iBj| D³ Av‡jvPbv †_‡K Avgiv Kw¤úDUv‡ii Gi m¤úwK©Z wewfbœ Z_¨ Ges DB‡ÛvR wKfv‡e cwiPvjbv Kiv hvq Zv m¤ú©‡K Rvbjvg| AvkvKwi Zv Avcbviv †R‡b‡Qb Ges e¨envi Ki‡Z †c‡i‡Qb| ïay Rvb‡jB Pj‡e bv| GB DB‡ÛvR e¨envi m¤ú‡K© my¯úó avibv _vK‡Z n‡e| hw` †Kvb Ask e¨envi Ki‡Z Amyweav nq Z‡e wk¶‡Ki mnvqZv wb‡q Gi mgvavb Ki“b| c~bivq mevB‡K A‡bK A‡bK ï‡f”Qv Rvwb‡q Kw¤úDUvi dvÛv‡g›Uvj c‡e©i mgvwß Kijvg| ******************** ï‡f”Qv‡š—, MD. KAMRUL HASSAN BAPPY (Diploma in Computer Science and Information Technology)

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