Informatics
>
Information and data :
→
Humans need informations to be able to work for example texts sounds , , ,
deci mal numbers Images , .
. ..
The computer needs data in ordert work Data are combinations of 1 and
" " " "
→
◦ .
O .
nvmber Systems :
In the binary system numbers are presented using the numbers O and 1
" " " "
→
,
re
The code can be trans / ated by multi plying each digit by I to the power
of the digit's in the digit string which you read from right to left
,
.
→
The hexadecimal system is a place value system that represents numbers
inbase 16 This means that the hexadecimalnumber system vses 16 different
.
digits These are 1- 9. AB C. D. EF
.
:
,
.
> Exampels :
→
Binary system :
112 1 1 1 0 0 0 0
2. 252 23222 2°
" '
→
Hexadecimal system 112 : 7 0
16460
>
Information and data :
→
Humans need informations to be able to work for example texts sounds , , ,
deci mal numbers Images , .
. ..
The computer needs data in ordert work Data are combinations of 1 and
" " " "
→
◦ .
O .
nvmber Systems :
In the binary system numbers are presented using the numbers O and 1
" " " "
→
,
re
The code can be trans / ated by multi plying each digit by I to the power
of the digit's in the digit string which you read from right to left
,
.
→
The hexadecimal system is a place value system that represents numbers
inbase 16 This means that the hexadecimalnumber system vses 16 different
.
digits These are 1- 9. AB C. D. EF
.
:
,
.
> Exampels :
→
Binary system :
112 1 1 1 0 0 0 0
2. 252 23222 2°
" '
→
Hexadecimal system 112 : 7 0
16460
