1. ixLHd moaO;shla hkq ´kEu mßñ; w.hla ksrEmKh l, yels ksÅ, l=,lhls‘

2. ixLHd moaO;shl wjYH;djh ixLHd moaO;s wdY%fhka l< yels ld¾hhka lsysmhla my;ska ±lafjhs' - w.hhka ksrEmKh lsÍu -.Kka lsÍu -.Kkh lsÍu - jákdlï iei£u - w.hka wkqms<sfj<ska ilia lsÍu

3. ixLHd moaO;s 1 oYul ixLHd moaO;sh Decimal Number System 2 oaùuh ixLHd moaO;sh Binary Number System 3 wIagl ixLHd moaO;sh Octal Number System 4 Iâ oYul ixLHd moaO;sh Hexa Decimal Number System

4. oYul ixLHd moaO;sh ixLHdxl - 10 ^0 1 2 3 4 5 6 7 8 9& Wmßu w.h - 9

5. oaùuh ixLHd moaO;sh ixLHdxl -2 ^ 0 1& Wmßu w.h - 1

6. wIagl ixLHd moaO;sh ixLHdxl- 8 ^ 0 1 2 3 4 5 6 7& Wmßu w.h - 7

7. Iâ oYul ixLHd moaO;sh ixLHdxl - 16 ^0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15& Wmßu w.h - 15 kuq;a ixLHdxl ksrEmKh jkafka ^0 1 2 3 4 5 6 7 8 9 A B C D E F&

8. oyfha mdofha ixLHd moaO;sh wm mka;sfha <uqka 36 la isà 36 10 3 6 10 1 10 0 10 1 10*3 1*6 30 + 6 = 36

9. oYul ixLHdjla oaùuh njg yerùu ixLHdj 2 ka fnoñka b;sßh.kak 362 18 - 0 2 9 - 0 2 4 - 1 2 2 – 0 2 1 – 0 100100 2

10. 2 n, f,i,shd tl;=j.kak 100100 2 1 0 0 1 0 0 2 2020 21212 2323 2424 2525 1 248 16 32 32+ 0 +0 + 4 + 0 + 0 = 36 oaùuh ixLHdjla oYul njg yerùu

11. ixLHdj 8 ka fnoñka b;sßh.kak 2958 36 - 7 8 4 - 4 447 8 oYul ixLHdjla wIagl njg yerùu

12. 8 n, f,i,shd tl;=j.kak 435 8 4 3 5 8 8080 8181 8282 1 864 256 + 24 + 5 = 285 wIagl ixLHdjla oYul njg yerùu

13. 8 = 2 3 1 – 001 2 - 010 3 - 011 4 - 100 5 – 101 6 - 110 7 - 111 8 - 100 wIagl ixLHdjla oaùuh njg yerùu

14. iEu ixLhdxlhlau fofla mdofha ixLHdxl 3 ka 3 olajkak 357 8 3 5 7 011 101 111 011101111 2 357 8 = 124 ???

15. 101111011 2 573 8 1 0 1 1 1 1 0 1 1 2 oaùuh ixLHdjla wIagl njg yerùu mdofha ixLHdxl 3 ka 3 LdKav lr 8 mdohg w.h olajkak 3 7 5 124 ???

16. odifha mdofha ixLHd moaO;sh ixLHdxl - 16 ^0 1 2 3 4 5 6 7 8 9 A B C D E F & Wmßu w.h - 15 (F)

17. ixLHdj 16 ka fnoñka b;sßh.kak 9216 5 - 12 (C) 5C 16 oYul ixLHdjla Iâ oYul njg yerùu

18. 16 n, f,i,shd tl;=j.kak 5E 16 5 E 16 16 0 16 1 1 16 (16*5)+(1*14) = 94 Iâ oYul ixLHdjla oYul njg yerùu

19. Iâ oYul ixLHdjla oaùuh njg yerùu iEu ixLHdxlhlau fofla mdofha ixLHdxl 4 ka 4 olajkak 3 B 16 3 11 0011 1011 00111011 2 3B 16 = 124 ??? 8 ?

20. 01111011 2 7B 16 0 1 1 1 1 0 1 1 2 oaùuh ixLHdjla Iâ oYul njg yerùu fofla mdofha ixLHdxl 4 ka 4 LdKav lr 16 mdohg w.h olajkak 11 (B) 7 124 ??? 8 ?

21. 7B 16 173 8 0 1 1 1 1 0 1 1 2 Iâ oYul ixLHdjla wIagl njg yerùu odifha mdofhka fofla mdohg yrjd miqj 3ka 3 LdKav lrkak 3 1 0 1 1 1 1 0 1 1 2 7

22. 576 8 17E 16 1 0 1 1 1 1 1 1 0 2 wIagl ixLHdjla Iâ oYul njg yerùu fofla mdohg yrjd miqj 4ka 4 LdKav lr w.hka,nd.kak 14 (E) 1 101 111 110 2 7

23. idrdxYh 1 oYul ixLHd moaO;sh (D) Decimal Number System 2 oaùuh ixLHd moaO;sh (B) Binary Number System 3 wIagl ixLHd moaO;sh (O) Octal Number System 4 Iâ oYul ixLHd moaO;sh (H) Hexa Decimal Number System mqreÿ mdoh kqmqreÿ mdo

24. mqreÿ mdofhka kqmqreÿ mdohg kqmqreÿ mdofhka mqreÿ mdohg D to B D to O D to H B to D O to D H to D mqkrdj¾:j fnokak n,,shkak

25. kqmqreÿ mdofhka kqmqreÿ mdohg O to B B to O 3 ka 3 LdKav - 4 2 1 H to B B to H 4 ka 4 LdKav - 8 4 2 1 H to O O to H 2 mdoh yryd

26. mß.Klhla Ndú; lrk fla; l%u ASCII – American Standard Code for Information Interchange BCD – Binary Coded Decimal EBCDIC – Extended Binary Coded Decimal Interchange Code Unicode – Universal Code

27. ASCII – American Standard Code for Information Interchange ìgq 7 fyda 8 ls wkq,laIK 128 fyda 256 ls h;=re mqjrefõ iEu h;=rlgu fjkajQ fla;hla we; Eg- A= 1000001 Enter Key = 0001101

28. BCD ixLHd muKla ksrEmKh l, yel‘h 0 1 2 3 4 5 6 7 8 9 tu ksid.Kl hka;%j, Ndú; úh iEu ixLHdxlhlau ìgq 4lska

29. EBCDIC ìgq 8 la Ndú; úh IBM Mainframe mß.Kl j, Ndú; úh

30. Unicode úúO NdId j, wl=re j,g úúO fla; Wod - isxy, Unicode