Concept map for Number system
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This document discusses different number systems including binary, octal, decimal, and hexadecimal. It provides information on their bases, number of symbols used, and highest value symbol. It also explains how to convert between these number systems and decimal, including most and least significant digits. Steps are given to convert binary to octal and hexadecimal, octal to binary and hexadecimal, and hexadecimal to binary and octal. The document promotes online classes on various ICT subjects for A/L and O/L students being offered in 2020-2021.
Concept map for Number system
- 1. ICT A/L O/L Pramodya Kodikara(070 200 62 63 ) Regency – Matale Isurusara – Matale Conversion of other bases to Decimal numbers bases Numbers and Alphabetic characters used Number System Base value Number of symbols in the number system (n) Highet value’s symbol (n-1) Number and Alphabetic character used Binary 2 2 1 0,1, Octal 8 8 7 0,1,2,3,4,5,6,7 Decimal 10 10 9 0,1,2,3,4,5,6,7,8,9 Hexa- decimal 16 16 F (15) 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F What Is Number System ? The number system is the system of naming or representing numbers. There are various types of number systems in maths like binary, decimal, etc. 1 2 Most Significant Digit (MSD) and Least Significant Digit (LSD) 5023 3 Most Significant Bit (MSB) and Least Significant Bit (LSB) 110011 2 4 Converting Binary, Octal and Hexadecimal Numbers to Decimal Numbers Binary Octal Hexadecimal Binary To Decimal 1101101112 = 439 Octal To Decimal 5468=358 Hexadecimal To Decimal 456D16=17773 Converting Decimal Numbers to Binary, Octal and Hexadecimal Numbers (214 10 to other bases) Decimal To Binary 11010110 Decimal To Octal 326 Decimal To Hexadecimal D6 6 5 7 2 0 =1 2 1 =2 2 2 =4 2 3 =8 2 4 =16 2 5 =32 2 6 =64 2 7 =128 2 8 =256 2 9 =512 2 10 =1024 8 0 =1 8 1 =8 8 2 =64 8 3 =512 8 4 =4096 8 5 =32768 16 0 =1 16 1 =16 16 2 =256 16 3 =4096 16 4 =65536 16 5 =1048576 Unit 03 Data Reprentation of Computer (Number System)
- 2. ICT A/L O/L Pramodya Kodikara(070 200 62 63 ) Regency – Matale Isurusara – Matale Convert helper 8 Converting Binary Numbers to Octal Numbers & Converting Binary Numbers to Hexadecimal Numbers 9 Convert binary numbers to Octal number 1) 11010112 10 Convert binary numbers to Hexadecimal number 1) 11010112 11 Converting Octal numbers to binary numbers 4658= 12 Converting Hexadecimal Numbers to Binary Numbers 46A516= 13
- 3. ICT A/L O/L Pramodya Kodikara(070 200 62 63 ) Regency – Matale Isurusara – Matale Converting Octal Numbers to Hexadecimal Numbers Converting Hexadecimal Numbers to Octal Numbers 1514 >> 2020 & 2021 - A/L Online Classes - Zoom >> A/L Paper Class >> Workshop (HTML, CSS, PHP, SQL) >> Python Class with 500 Questions >> 2021 Revision 2020 Online Class >> O/L GRADE 10 (Sinhala & English medium) >>O/l GRADE 11 (Sinhala & English medium) >>O/L Paper Class Details – 070 200 62 63