Tiêu đề ICT Chapter 3 Practice Sheet with Solution.pdf ✅

msL ̈v c×wZ I wWwRUvj wWfvBm  HSC Preparation 1 msL ̈v c×wZ I wWwRUvj wWfvBm Z...Zxq Aa ̈vq Number System and Digital Devices Topicwise CQ Trend Analysis †evW© mKj XvKv ivRkvnx Kzwgjøv h‡kvi PÆMÖvg ewikvj wm‡jU w`bvRcyi gqgbwmsn 2023 2 2 2 3 2 2 2 2 2 2022 2021 K‡ivbv gnvgvwii Kvi‡Y GBPGmwm cixÿv AbywôZ nqwb| 2020 2019 2 2 2 2 2 2 2 2 2018 mw¤§wjZ †evW© (2 †mU): 4 2017 2 2 2 2 2 2 2 1 *we.`a.: 2020 mv‡j GBPGmwm cixÿv AbywôZ nqwb| ACS ICT Department Gi g‡bvbxZ m„Rbkxj cÖkœ DËi 1| iwb Ges Rwb Gev‡ii GKz‡ki eB‡gjv †_‡K h_vμ‡g (346)8 Ges (10110110)2 UvKvi eB wK‡b‡Qb| [Xv. †ev. Õ23] (K) ASCII †KvW Kx? (L) Ò†Kv‡WW †WUv‡K Avb‡Kv‡WW †WUvq iƒcvšÍi Kiv m¤¢e|ÓÑ e ̈vL ̈v Ki| (M) DÏxc‡Ki iwb Ges Rwb †gvU KZ UvKvi eB wK‡bwQj Zv †Wwm‡gj c×wZ‡Z wbY©q Ki| (N) DÏxc‡Ki `yBR‡bi g‡a ̈ †K †ewk g~‡j ̈i eB wK‡bwQj Zv 2 Gi cwic~iK c×wZ‡Z wbY©q Ki| mgvavb: (K) ASCII (American Standard Code for Information Interchange) n‡jv GKwU 7/8 we‡Ui AvjdvwbD‡gwiK †KvW hv Kw¤úDUvi I BbcyU/AvDUcyU wWfvB‡mi g‡a ̈ Z_ ̈ ̄’vbvšÍ‡i e ̈eüZ nq| (L) †Kv‡WW †WUv‡K Avb‡Kv‡WW †WUvq iƒcvšÍi Kiv m¤¢e| †Kv‡WW †WUv‡K Avb‡Kv‡WW †WUvq iƒcvšÍi Ki‡Z GKwU wW‡KvWvi wWfvB‡mi cÖ‡qvRb nq| wW‡KvWvi Ggb GKwU B‡jKUawbK hš¿ ev wWfvBm hv Kw¤úDUv‡ii †evaMg ̈ fvlv‡K gvbyli †evaMg ̈ fvlvq iƒcvšÍi K‡i| wW‡KvWv‡i BbcyU msL ̈v n n‡j Zvi AvDUcyU msL ̈v = 2 n n‡e Ges AvDUcyU jvB‡b †h †Kv‡bv AvDUcyU 1 n‡j evwK me AvDUcyU 0 cvIqv hv‡e| AvDUcyU Ae ̄’v me©`v BbcyU Ae ̄’vi Dci wbf©ikxj| (M) iwe eBwU wK‡bwQj = (346)8 UvKvi AZGe, iwb eBwU `kwgK UvKvq wK‡bwQj = 3 × 8 2 + 4 × 8 1 + 6 × 8 0 = (230)10 UvKvi Avevi, Rwb eBwU wK‡bwQj = (10110110)2 UvKvi myZivs Rwb eBwU `kwgK ev †Wwm‡gj UvKvq wK‡bwQj = (1 × 2 7 ) + (0 × 2 6 ) + (1 × 2 5 ) + (1 × 2 4 ) + (0 × 2 3 ) + (1 × 2 2 ) + (1 × 2 1 ) + (0 × 2 0 ) = (182)10 AZGe Rwb I iwb †gvU eB wK‡bwQj = (230 + 182)10 = (412)10 UvKvi| (N) Rwb eB wK‡bwQj = (10110110)2 = (182)10 [ÔMÕ n‡Z] iwb eB wK‡bwQj = (346)8 – (230)10 [ÔMÕ n‡Z] AZGe, evBbvwi msL ̈v c×wZ‡Z iwbi †Kbv eB 2 380 LSB MSB 2 115 – 0 2 57 – 1 2 28 – 1 2 14 – 0 2 7 – 0 2 3 – 1 2 1 – 1 0 – 1 = (11100110)2 GLb Rwbi wKbv eB wQj = (10110110)2  2 Gi cwic~iK, Rwbi †Kbv eB = 10110110 1 Gi cwic~iK = 01001001 2 Gi cwic~iK = †hvM (+) 1 (Ñ 182)10 = 01001011 AZGe iwb †ewk wK‡bwQj, 11100110 01001010 1 00110000 GLv‡b cÖ_g 1wU Ifvi‡d¬v wnmv‡e i‡q‡Q| A_©vr, iwb †ewk wK‡bwQj = (00110000)2 = (48)10 UvKvi eB| 2| F = A – BC + AB – C + ABC – + ABC [Xv. †ev. Õ23] (K) KvD›Uvi Kv‡K e‡j? (L) ÔevBbvwi I wewmwW GK bq|Õ Ñ e ̈vL ̈v Ki| (M) DÏxc‡K cÖ`Ë jwRK dvskbwUi mZ ̈K mviwY •Zwi Ki| (N) DÏxc‡K cÖ`Ë mgxKiYwUi mijxK...Z gvb ïay b ̈vÛ †MU w`‡q ev ̄Íevqb Ki| mgvavb: (K) KvD›Uvi n‡jv Ggb GKwU wmKz‡qwÝqvj mvwK©U hv G‡Z †`Iqv BbcyU cvj‡mi msL ̈v ̧Y‡Z cv‡i|

msL ̈v c×wZ I wWwRUvj wWfvBm  HSC Preparation 3 2 12 LSB MSB 2 6 – 0 2 3 – 0 2 1 – 1 0 – 1 = (1100)2 GLb (12)10 Z_v (1100) Gi 2 Gi cwic~iK wbY©q Ki‡j cv‡e| (12)10 Gi evBbvwi gvb 8 weU †iwR÷v‡i †i‡L, (12)10 = 00001100  (12)10 Gi 1 cwic~iK = 11110011  (12)10 Gi 2 cwic~iK ev (–12)10 = 11110100 myZivs `yB cixÿvi djvd‡ji cv_©K ̈, (47)10 = 00101111 (–12)10 = 111101000 †hvMdj = 1 00100011 GLv‡b, beg weU Z_v 1 Ifvi‡d¬v wn‡m‡e Av‡Q, d‡j G‡K MYbvq †bIqv hv‡e bv| AZGe, X Gi cixÿv `ywUi djvd‡ji cv_©K ̈ n‡”Q (00100011)2 ev, (00100011)2 = (0 × 2 7 ) + (0 × 26 ) + (0 × 25 ) + (0 × 24 ) + (0 × 23 ) + (0 × 22 ) + (0 × 21 ) + (0 × 20 ) = (35)10  cv_©K ̈ (00100011)2 ev (35)10| 4| cv‡ki wPÎwU jÿ Ki Ges wb‡Pi cÖkœ ̧‡jvi DËi `vI : [iv. †ev. Õ23] B C A X (K) Gb‡KvWvi Kv‡K e‡j? (L) wW-giMvb-Gi Dccv` ̈ †h.w3K †hvM I †h.w3K ̧‡Yi g‡a ̈ wewbgq mvab K‡iÑ e ̈vL ̈v Ki| (M) DÏxc‡K DwjøwLZ X-Gi Rb ̈ jwRK mgxKiY wbY©q Ki| (N) DÏxc‡Ki eZ©bxwUi cÖ`Ë BbcyU I cÖvß AvDUcyU AcwiewZ©Z †i‡L GKwU gvÎ jwRK †MBU Øviv eZ©bxwU cÖwZ ̄’vcb Kiv hvq wK-bv Zv jwRK mgxKi‡Yi gva ̈‡g we‡kølY K‡i gZvgZ `vI| mgvavb: (K) Gb‡KvWvi n‡”Q GK ai‡bi mgwš^q jwRK mvwK©U hv gvby‡li fvlv‡K Kw¤úDUv‡ii †evaMg ̈ ev hvwš¿K fvlvq iƒcvšÍi K‡i| (L) divwm MwYZwe` wW-giMvb eywjqvb exRMwY‡Zi Ici `ywU cÖ‡qvRbxq m~Î †`b| m~Î `ywU‡K wW-giMv‡bi Dccv` ̈ ejv nq| Dccv` ̈ `ywU msÁvwqZ Ki‡jB eySv hv‡e †h, Dccv` ̈Øq †h.w3K †hvM I ̧‡Yi g‡a ̈ wewbgq mvab K‡i, Dccv` ̈Øq wb¤œiƒc: cÖ_g Dccv` ̈: †h‡Kv‡bv msL ̈K Pj‡Ki †h.w3K †hv‡Mi Kgwcø‡g›U n‡jv cÖ‡Z ̈K Pj‡Ki Kgwcø‡g‡›Ui ̧Yd‡ji mgvb| wØZxq Dccv` ̈: †h‡Kv‡bv msL ̈K Pj‡Ki †h.w3K ̧Yd‡ji Kgwcø‡g›U n‡jv cÖ‡Z ̈K Pj‡Ki Kgwcø‡g‡›Ui †h.w3K †hv‡Mi mgvb| A.B ––– = A – + B – A_©vr, m~Î †_‡KB †`Lv hv‡”Q, GLv‡b †h.w3K †hv‡M I †h.w3K ̧Yd‡ji g‡a ̈ wewbgq mvwaZ n‡q‡Q| (M) DÏxc‡K DwjøwLZ X Gi Rb ̈ jwRK mgxKiYwU wb‡P wbYx©Z n‡jv: B C A A+C A  B  X = (A+C)B +A  A +(A+C)B  wPÎ: X Gi mvwK©U WvqvMÖvg AZGe, X dvsk‡bi gvb n‡e (A + C).B – + A –––––––––––– (N) DÏxc‡Ki DwjøwLZ eZ©bxwUi BbcyU I cÖvß AvDUcyU AcwiewZ©Z †i‡L ïay NAND jwRK †MBU Øviv eZ©bxwU cÖwZ ̄’vcb Kiv m¤¢e| wb‡¤œ Zv jwRK mgxKi‡Yi gva ̈‡g we‡kølY Kiv n‡jv: X = (A + C).B – + A –––––––––––– = (A + C).B ––––––––– .A –– [wW-giMv‡bi Dccv` ̈] = (A + C) –––––– + B –– .A –– = A – .C – + AB [(A + C) –––––– = A – .C – ] = A – .C – . AB ––––––– ––––––– = A – C –––– . AB––– –––––––– A A  X=A.C ––– .AB –– C  A – .B ––– AB  BC wPÎ: ïayNAND †MBU Øviv X mgxKiY ev ̄Íevqb 5| gvgyb RqcyinvU †_‡K XvKv hvIqvi Rb ̈ (112)8 UvKvq wUwKU wKbj| gvgy‡bi eÜy Avwei bvivqYMÄ †_‡K XvKv Avmvi Rb ̈ (3D)16 UvKvq wUwKU wKbj| [Kz. †ev. Õ23] (K) cwRkbvj msL ̈v c×wZ Kx? (L) (14)10 Gi mgKÿ BCD †KvW Ges evBbvwi msL ̈vi g‡a ̈ †KvbwU‡Z †ewk weU cÖ‡qvRb? eywS‡q †jL| (M) gvgyb I Avwei †gvU KZ UvKvi wUwKU μq Kij Zv evBbvwi‡Z cÖKvk Ki| (N) gvgyb I Avwe‡ii wUwK‡Ui μqg~‡j ̈i cv_©K ̈ †hv‡Mi gva ̈‡g wbY©q m¤¢eÑ we‡kølY Ki|