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COMPUTERENS SPROG 01000011 01001111 01001101 01010000 01010101 01010100 01000101 01010010 01000101 01001110 01010011 00100000 01010011 01010000 01010010 01001111 01000111
[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Fra det virkelige liv ,[object Object],[object Object],[object Object]
Hvis computeren kun arbejder med 0 og 1 hvordan kan den så alligevel skrive de forskellige tal vi taster ind eller gengive billeder og musik?
[object Object],[object Object],[object Object]
I kender alle vores 10-talssystem. Det består af 10 forskellige tal: 9 8 7 6 5 4 3 2 1 0  Når vi ikke har plads til flere 1’ere går vi til 10’ere, derefter til 100’erne osv. Det binære talsystem eller 2-talssytemet består kun af 2 forskellige tal. Når der ikke er plads til flere 1’ere går man videre til 2’ere, derefter til 4’ere og til 8’ere.
I vores talsystem (10-talss.) ganger vi 10 med sig selv en gang mere hver gang vi løber tør tal. 10*10*10*10= 10.000  10*10*10=1.000  10*10=100  10*1= 10  10*0= 0 I stedet kunne dette være skrevet som: 10  4 =10.000  10 3 =1.000  10  2 =100  10 1 =10  10 0 =1 0’erne plads kalder vi derfor 1’ernes plads. I det binære talsystem er der kun 2 tal at gøre med derfor er det 2 man ganger med sig selv hver gang man løber tør. 2*2*2*2*2*2=64   2*2*2*2*2=32  2*2*2*2=16  2*2*2=8  2*2=4  2*0=0 Dette kunne være skrevet som: 2 6 =64  2 5 =32  2 4 =16   2 3 =8 2 2 =4   2 1 =2   2 0 =1
Selv om man ikke har alle tal vi plejer at have kan det lade sig gøre at skrive alle tal, der skal bare regnes lidt.  Vil jeg skrive 8 vil det hedde 1000. For lettere at kunne forstå det skal man forstå 1 som tændt og 0 som slukket.  Dvs. der er tændt for 1 8’er og slukket for alt andet. 1 2 4 8 16 32 64 128 2 X 0 1 2 3 4 5 6 7 X=
Klokken ,[object Object]
Der er nu tændt for 32, 8, 4 og 1. De tal der er tændt for plusser vi nu. 32 + 8 + 4 + 1 = 45 Står der fx 1 2 4 8 16 32 64 128 2 X 1 0 1 1 0 1 0 1 2 3 4 5 6 7 X=
Vil jeg fx skrive 247 skal jeg først finde det største tal der går op i 247 af de tal der står i 2 X  rækken. Dette tal trækker jeg fra 247. 247-128=119   Så finder jeg det største tal der går op i 119 og trækker det fra. 119-64=55 Så det største tal der går op i 55 og trække fra.  55-32=23 Det samme gør jeg med 23. 23-16=7 det er mindre end 8 derfor slukker jeg 8. Og videre med 7. 7-4= 3 3-2=1 1-1=0 1 2 4 8 16 32 64 128 2 X 0 1 2 3 4 5 6 7 X= 1 0 1 1 1 1 1 1
At regne i andre talsystemer: ,[object Object],13 +  5 (1) 8
Nu begynder det måske at knibe… Det er vigtigt at huske at der kun er 2 tal at gøre med!!! Nemlig 1 og 0. 0 1 1 + 1 ( 1)
Vi prøver sammen +  1 0 1 1 1 0 0 0 1 1 1 1
Så håber jeg at I kan selv…

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Computerens Sprog

  • 1. COMPUTERENS SPROG 01000011 01001111 01001101 01010000 01010101 01010100 01000101 01010010 01000101 01001110 01010011 00100000 01010011 01010000 01010010 01001111 01000111
  • 2.
  • 3.
  • 4.
  • 5.
  • 6. Hvis computeren kun arbejder med 0 og 1 hvordan kan den så alligevel skrive de forskellige tal vi taster ind eller gengive billeder og musik?
  • 7.
  • 8. I kender alle vores 10-talssystem. Det består af 10 forskellige tal: 9 8 7 6 5 4 3 2 1 0 Når vi ikke har plads til flere 1’ere går vi til 10’ere, derefter til 100’erne osv. Det binære talsystem eller 2-talssytemet består kun af 2 forskellige tal. Når der ikke er plads til flere 1’ere går man videre til 2’ere, derefter til 4’ere og til 8’ere.
  • 9. I vores talsystem (10-talss.) ganger vi 10 med sig selv en gang mere hver gang vi løber tør tal. 10*10*10*10= 10.000 10*10*10=1.000 10*10=100 10*1= 10 10*0= 0 I stedet kunne dette være skrevet som: 10 4 =10.000 10 3 =1.000 10 2 =100 10 1 =10 10 0 =1 0’erne plads kalder vi derfor 1’ernes plads. I det binære talsystem er der kun 2 tal at gøre med derfor er det 2 man ganger med sig selv hver gang man løber tør. 2*2*2*2*2*2=64 2*2*2*2*2=32 2*2*2*2=16 2*2*2=8 2*2=4 2*0=0 Dette kunne være skrevet som: 2 6 =64 2 5 =32 2 4 =16 2 3 =8 2 2 =4 2 1 =2 2 0 =1
  • 10. Selv om man ikke har alle tal vi plejer at have kan det lade sig gøre at skrive alle tal, der skal bare regnes lidt. Vil jeg skrive 8 vil det hedde 1000. For lettere at kunne forstå det skal man forstå 1 som tændt og 0 som slukket. Dvs. der er tændt for 1 8’er og slukket for alt andet. 1 2 4 8 16 32 64 128 2 X 0 1 2 3 4 5 6 7 X=
  • 11.
  • 12. Der er nu tændt for 32, 8, 4 og 1. De tal der er tændt for plusser vi nu. 32 + 8 + 4 + 1 = 45 Står der fx 1 2 4 8 16 32 64 128 2 X 1 0 1 1 0 1 0 1 2 3 4 5 6 7 X=
  • 13. Vil jeg fx skrive 247 skal jeg først finde det største tal der går op i 247 af de tal der står i 2 X rækken. Dette tal trækker jeg fra 247. 247-128=119 Så finder jeg det største tal der går op i 119 og trækker det fra. 119-64=55 Så det største tal der går op i 55 og trække fra. 55-32=23 Det samme gør jeg med 23. 23-16=7 det er mindre end 8 derfor slukker jeg 8. Og videre med 7. 7-4= 3 3-2=1 1-1=0 1 2 4 8 16 32 64 128 2 X 0 1 2 3 4 5 6 7 X= 1 0 1 1 1 1 1 1
  • 14.
  • 15. Nu begynder det måske at knibe… Det er vigtigt at huske at der kun er 2 tal at gøre med!!! Nemlig 1 og 0. 0 1 1 + 1 ( 1)
  • 16. Vi prøver sammen + 1 0 1 1 1 0 0 0 1 1 1 1
  • 17. Så håber jeg at I kan selv…