DATENCODIERUNG brf 2021 0 Ein BIT binary digit

DATEN-CODIERUNG brf 2021

0 Ein BIT (binary digit) oder kein Strom 1 Strom kleinste Informationseinheit 2 Zustände (0/1 …… Strom/kein Strom, …) https: //www. pcwelt. de/tipps/So-lange-halten-Daten-auf-SSDs-ohne-Stromversorgung-10593597. html

2 BIT 4 Zustände im Speicher darstellbar 01 oder 00 oder 11

4 BIT 16 Zustände 4 Plätze je 2 Mglk. = 24 = 16 0000 0001 0010 0100 1000 …. 1101 1110 1111

8 BIT = 1 BYTE (by eight) 256 …. Möglichkeiten, unterschiedliche Bitfolgen darzustellen. 28 = 256 0000 2. Möglk. : 00000001 3. Möglk. : 00000010 …. 11110000 11110001 …. 255. Möglk. : 11111110 256. Möglk. : 1111 1. Möglk. :

1024 BYTE = 1 Kilo. Byte*) *) Kilo = umgangssprachlich = 1000 … eigentlich „Kibi“ = 1024 11101101010011111010100101011101010011010100110101111101010011010100110101001101 010011111100110101001101010011010100110101001101010011010100110101001101 0101110101001101010011010100111110101001101101010011111100110101001101010011010100110101001101010011010100110101001101 111111010100111101001101010011010100110101001101010011010100110101111101010011010100110101001111010011010100110101111101010011010100110101001101010011011100110101001101010011010100110101000001010011010100110101001101 10011111000011110001011011110100110101001101010011010100110101001101010011010100110101001101010011010100110101001101010011010111110101001101010011010100110101001101011111010011010100110100110101001001101010011010111110101001101 011110010100111101001101010011010100110101001101010011010100110101001101 110011010100110101101101010011010101111101001101010011010100110101001101 111111010100110101001101010011010100110111111010100111101001101010011111000010110 0100110101001101010011010100110101001101010011010100110101001101011011010100110101001101010011010100111110011010100110101001101011111010100110110101001101010011010100000110101001101010011011111110101001101010011110100110101001101 11111101010011011100110101001101010111010100110101001101010011010100110101001101010011010100110101001101010011111100110101001101010111010100110101001101010011010100110101001101010011010100110101001101010011110100110101001101010011010100110101001101010011010111110101001101 11111100010011010100110101001101010011010100110101001101010011010100110101001111100110101001101010011010100110101001101010011010100110101001101010011010100110101001101010011010100110101001111110011010100110101011101010011010100110101001101010011010111110101001101010011010100110101001101010011010100110101001101010011010111110101001101010011010100110101001101 01011100110101001101010011110100110101001101010011010100110101001101010011010100110101111010001010001010 010011010100110101001101010011010100110101001101001101 1100001111001 010011010100110101001101010011010100110101001111010011010100110101001101 1111110101001101010011010100110101001101010011010100110101001101010011010100111111001101010011111110110101001101011111010100110101001101010011010100110101001101010011010100110101001101 01111101010011010100110101001101010011110100110101001101010011010100110101001111110011010100110101111101010011010100110101001101110110101001101010011010100110101001101010011010100110111001101010011010100110101001101010011010100110101001101010011011111110101001101010011010100110101001101010011011010100110101001101010011010100111101001101010011010100110101001101010011010100110101001101 111110101001101010011010100110101001101010011010100110101001101010011010100110101001101010011010100110101001101 0101110101001101010011010100110101001101010011010100110101001101010011010100111010011011111110101001101010011111100110101001101011111001101010011010100110101001101010011010100110101001101010011010100110101001101010011010100110101001101010011010100110101001101 111111010100111101001101010011010100111111010011010100110101001101010011010100110111111101010011010100110101001101010011010100110101001101010011010100110101001101010011010100110101001101101 0100110101001101010011010100110101001101010011010100110101001101

1024 KB = 1 Mega. Byte 1024 MB = 1 Giga. Byte 1024 GB = 1 Tera. Byte 010011010100110101001101010011010100000001001101010011010100110101001101010011010100110101001101010011010100110101001101010011010100110101001101010011010100110101001101010011010100110101001101 010000000000000101001101010011010100110101001101010011010100110101001101010011010100110101001101 010011011100110101001101010011010100110101001101010011010100110101001101010011010100110101001101 0100110101001101010011010100110101001101010011010100110101001101010010000000010101001101010011010100110101001101010011010100110101001101010011010100111101001101010011010100110101001101010011010100110101001101010011011100110101001101010011010100110101001101010011010100110101001101010011010100110101001101 111110000111110000111111100001110100110101001101010011010100110101001101010011010100110101001101 010011010100110101001101010011010100110101001101010011010100110101001101010011010100110101001101 0100110101001101010011010100110101001101010011010100110101001101 010011010100110101001101010011010111110100110101001101010011011101001101010011010100110101001101010011010100110101001101010011010100110101001101010011010100110101001101010011010100110101001101 010011010000000000001101010011010100110101001101010011010100110101001101010011010100110101001101 010011010100110101001101010011010100110101001101010011010100110101001101010011010100110101001101 0100110101001101010011010100110101001101010011010100110101001101 010011010100110101001101010011010100110101001101010011010100110101001101011011010100110101001101010011010100110101001101010011010100110101001101011111010100110101001101010011010100110101001101010011010100110101001101010011010100110101001000000011010100110101001101111111010100110101001101010011010100110101001101010011010100110101001101110011010100110101001101010111010100110101001101010011010100110101001101010000000000010101001101010011010100000000000101 010011010100110101001101010011010100110101001101010011010100110101001101010011010100110101001101 010000000000000000001101010011010100110101001101010111010100110101001101010011010100110101001101010011010100110101001101010011010100110101001101010000000000010101001101010011010100110101001101010011010100110101001101010011010100110101001101010011010100110101001101010011010100110101001101 010011110100110101001101010011010100110101001101010011010100110101001101010011010100110101001101 0100110101001101010011010100110101001101010011111001101010011010100110101001101010011010100110101001101010011010100110101001101010011010100110101001101010011010100110101001101010011010100110101001101010011010100110101001101010011010101110101001101010010000000000000000101010011010100110101001101010011010100110101001101010011010100110101001101010011010100110101001101010011010111110101001101010011010100110101111101010011010100110101001101010011010100110101001101010011010100110101001101010011010100110101001101 010011010100110101001101010011010100111101001101010011010100110101001101010011010100110101001101010011010100110101001101010011010100110101001101010011010100110101001101010011010100110101001101 010011010100110101001101010011010100110101001101010011010100110101001101010011010100110101001101 01001101010011010100000001001101010011010100110101001101010011010100110101001101 01001101010011010100110101001101 01000000010100110101001101010011010100110101001101 01001101110011010100110101001101010011010100110101001101010011010100110101001101010010000101010011010100110101001101010011010100111101001101010011010100110101001101010011010100110101001101110011010100110101001101010011010100110101001101 1111100001111111000011101001101010011010100110101001101

0 Ein BIT (binary digit) kleinste Informationseinheit. = 2 Dezimalzahlen oder 0 dezimal 1 1 dezimal

0 0 oder 0 1 oder 1 0 …. 4 Zustände = 4 Dezimalzahlen 0 d 1 d 1 1 1 x 21 +1 x 20 0 x 21 +1 x 20 2 BIT oder 2 d 3 d

1 x 2 3 + 1 x 2 1 23 22 21 20 4 BIT …. 16 Zustände = 16 Dez. Zahlen 4 BIT = ½ Byte = eine Hexadezimalziffer 0 0 0 d 0 0 0 1 1 d 0 0 1 0 2 d 0 0 1 1 3 d 0 1 0 0 4 d 0 1 5 d (0 1 2 3 4 5 6 7 8 9 A B C D E F) usw. 8 + 2 1 0 10 d = Ahexadezimal 1 x 23 +1 x 22 +1 x 21 +1 x 20 1 1 8 + 4 + 2 + 1 = 15 d = Fh

8 BIT …. 256 Zustände = 256 Dez. Zahlen 8 BIT = 1 Byte = 2 Hexadezimalziffern 0 0 0 0 0 d = 0 h 0 0 1 9 d = 9 h 0 0 1 0 10 d = Ah 0 0 1 0 1 1 11 d = Bh 0 0 0 1 1 1 31 d = 1 Fh 1 h Fh 128 + 646+1 x 2 + 325 ++ 1 x 2 16 4++1 x 2 8 +3 +1 x 2 4 +2 +1 x 2 2 +1+0 x 2 0 0 1 x 27+1 x 2 1 1 1 1 0 254 d = FEh 1 1 1 1 255 d = FFh

ASCII - CODE …. jedem der 256 Bytes wird genau ein Zeichen zugeordnet. … die Bitfolge 01000111 ist z. B. das Ascii-Zeichen ‘G’ (Code 71). 0 64 + 4+2+1 1 x 26 + 1 x 22+1 x 21+1 x 20 1 0 0 0 1 1 = 71 d 1 Ascii-Code 71 ‚G‘ Gehe in einen Texteditor und drücke „Alt + 71“ (die 71 auf dem „Num-Block“) ASCII = American Standard Code for Information Interchange: https: //www. torsten-horn. de/techdocs/ascii. htm

Übung: Schreibe deinen Vornamen mit “Alt” + Ascii-Code! G 0 1 0 0 0 1 1 1 = 71 d E 0 1 0 0 0 1 = 69 d R 0 1 0 = 82 d H 0 1 0 0 0 = 72 d A 0 1 0 0 0 1 = 65 d R 0 1 0 = 82 d D 0 1 0 0 = 68 d Hilfe: https: //gc. de/gc/ascii/ https: //www. arndt-bruenner. de/mathe/scripts/Zahlensysteme. htm