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3q Aa¨vq (1g Ask)
msL¨v c×wZ
Dc¯’vcK: `xc¼i †mb
we. Gm. wm (GBP. BD. we) Bb wm. Gm. B
Gg. Gm. wm (BD. AvB. BD) Bb wm. Gm. B
 wbw`©ó cÖZxK ev wPü Øviv †Kv‡bv msL¨v cÖKvk Kivi c×wZ‡K msL¨v c×wZ e‡j|
msL¨v c×wZ
bb-cwRkbvj msL¨v c×wZ cwRkbvj msL¨v c...
msL¨v c×wZ wfwË cÖZxK ev wPü D`vniY
evBbvwi 2 0, 1 (10111)2
A±vj 8 0 - 7 (67)8
`kwgK 10 0 - 9 (887)10
‡n·v‡Wwmgvj 16 0-9, ...
1| `kwgK ‡_‡K †h †Kvb msL¨v c×wZ‡Z iæcvšÍi:
fvM . ¸Y
D`vniY
msL¨v c×wZi iæcvšÍi
4/9
2| †h †Kvb msL¨v c×wZ ‡_‡K `kwg‡K iæcvšÍi:
¸Y cwRkb bs. ¸Y - cwRkb bs
D`vniY
= 1965.62109375
msL¨v c×wZi iæcvšÍi
5/9
3| †h †Kvb msL¨v c×wZ ‡_‡K †h †Kvb msL¨v c×wZ‡Z iæcvšÍi:
msL¨v c×wZi iæcvšÍi
D`vniY:
(112.24)5=(422.11)10
(112.24)5=(?)10 ...
wPýhy³ msL¨v Ges Kw¤cDUvi wm‡÷‡g Gi Dc¯’vcb
 hLb †Kvb msL¨vi c~‡e© abvZœK (+) ev FYvZœK (-) wPý _v‡K ZLb †mB msL¨v‡K wPýh...
‡KvW
 Kw¤cDUvi wm‡÷‡g e¨eüZ cÖwZwU eY©, A¼, msL¨v, cÖZxK ev we‡kl wPý‡K Avjv`vfv‡e wmwcBD†K eySv‡bvi Rb¨
evBbvwi we‡Ui (0...
9/9
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ICT-Number system.সংখ্যা পদ্ধতি(৩য় অধ্যায়-১ম অংশ)

সংখ্যা পদ্ধতি(৩য় অধ্যায়-১ম অংশ)
HSC ICT

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ICT-Number system.সংখ্যা পদ্ধতি(৩য় অধ্যায়-১ম অংশ)

  1. 1. 3q Aa¨vq (1g Ask) msL¨v c×wZ Dc¯’vcK: `xc¼i †mb we. Gm. wm (GBP. BD. we) Bb wm. Gm. B Gg. Gm. wm (BD. AvB. BD) Bb wm. Gm. B
  2. 2.  wbw`©ó cÖZxK ev wPü Øviv †Kv‡bv msL¨v cÖKvk Kivi c×wZ‡K msL¨v c×wZ e‡j| msL¨v c×wZ bb-cwRkbvj msL¨v c×wZ cwRkbvj msL¨v c×wZ| ‡hgb t nvqv‡ivwMøwd·, †ivgvb, U¨vwj msL¨v BZ¨vw`| K) evBbvwi(Binary) ev wØwgK ev 2-wfwËK L) A±vj(Octal) ev AówgK ev 8-wfwËK M) †Wwmgvj (Decimal) ev `kwgK ev 10-wfwËK N) †n·v‡Wwmgvj (Hexadecimal) ev †lvo`k ev 16-wfwËK msL¨v c×wZ 2/9
  3. 3. msL¨v c×wZ wfwË cÖZxK ev wPü D`vniY evBbvwi 2 0, 1 (10111)2 A±vj 8 0 - 7 (67)8 `kwgK 10 0 - 9 (887)10 ‡n·v‡Wwmgvj 16 0-9, A, B, C, D, E, F (AF.44)16 3-wfwËK 3 0, 1, 2 (212)3 4-wfwËK 4 0, 1, 2, 3 (332)4 5-wfwËK 5 0, 1, 2, 3, 4 (344)5 6-wfwËK 6 0, 1, 2, 3, 4, 5 (454)6 7-wfwËK 7 0, 1, 2, 3, 4, 5, 6 (654)7 wewfbœ msL¨v c×wZi PvU© 3/9
  4. 4. 1| `kwgK ‡_‡K †h †Kvb msL¨v c×wZ‡Z iæcvšÍi: fvM . ¸Y D`vniY msL¨v c×wZi iæcvšÍi 4/9
  5. 5. 2| †h †Kvb msL¨v c×wZ ‡_‡K `kwg‡K iæcvšÍi: ¸Y cwRkb bs. ¸Y - cwRkb bs D`vniY = 1965.62109375 msL¨v c×wZi iæcvšÍi 5/9
  6. 6. 3| †h †Kvb msL¨v c×wZ ‡_‡K †h †Kvb msL¨v c×wZ‡Z iæcvšÍi: msL¨v c×wZi iæcvšÍi D`vniY: (112.24)5=(422.11)10 (112.24)5=(?)10 (422.11)10=(?)7 (422.11)10 = (212.1634)7 (112.24)5 = (212.1634)7 †h†Kv‡bv msL¨v c×wZ †h†Kv‡bv msL¨v c×wZ `kwgK msL¨v c×wZ 6/9
  7. 7. wPýhy³ msL¨v Ges Kw¤cDUvi wm‡÷‡g Gi Dc¯’vcb  hLb †Kvb msL¨vi c~‡e© abvZœK (+) ev FYvZœK (-) wPý _v‡K ZLb †mB msL¨v‡K wPýhy³ msL¨v ev mvBbW b¤^i ejv nq| Kw¤cDUvi wm‡÷‡g wPý hy³ msL¨v Dc¯’vcbvi Rb¨ wZbwU c×wZ Av‡Q| h_vt 1| cÖK…Z gvb MVb 3| 2-Gi cwic~iK MVb 2| 1-Gi cwic~iK MVb 7/9
  8. 8. ‡KvW  Kw¤cDUvi wm‡÷‡g e¨eüZ cÖwZwU eY©, A¼, msL¨v, cÖZxK ev we‡kl wPý‡K Avjv`vfv‡e wmwcBD†K eySv‡bvi Rb¨ evBbvwi we‡Ui (0 ev 1) AwØZxq ms‡KZ ˆZwi Kiv nq| G AwØZxq ms‡KZ‡K ejv nq †KvW| cÖ‡qv‡Mi †¶‡Îi Dci wfwË K‡i wewfbœ ai‡bi †Kv‡Wi D™¢e n‡q‡Q| †hgb:  wewmwW (BCD) †KvW: Binary Coded Decimal  AvjdvwbD‡gwiK †KvW (Alphanumeric code)  BwewmwWK (EBCDIC) †KvW: Extended Binary Coded Decimal Interchange Code  A¨vmwK (ASCII) †KvW: American Standard Code for Information Interchange  BDwb‡KvW (Unicode): Universal Code 8/9
  9. 9. 9/9

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