Moduel One - Data Representation
1.1- Binary and Denary and hexadecimal
analogue data.
a continuous stream of data that is
processed by humans
lo g ic g at es -
a verg small comporent ni acomputer system
that controls hte flow of electricity
L can
can'tonlyproce
process digital daka
ss analogue data - s t o r e d i n
So it will be converted to digital dota reg
i sters,
digital data -
dist dischete data that only uses hte values Oand!
registers -
a small component in a computer system that
i s u s e d to temporaily Store da ta
(We) Humans mostly ustnguse the denary number System.
Denary number System -
a base-1D number systen that uses the
10051|005 liOs s1incasesvalues 0-9
y powers af 10.
Computes use a bipary a number System. T $ 2 5 5
Aldor, s-bitmar denarynumber
Binary number system -
128 64 3 2 1 6 8 4 2 a base-2 number System and only
uses the digits Oand l. The units
increase by power o8 2.
, Tip! Check your conversion to
denoty ot binary by checking last unit.
I s denary number is o d d , binary number Should
end in 1. Is desary is even, binary Should be
Converting Denary to Binary -
E.g.
Convert 58 to binary 8-bit binary
128 64 32/16|84211 Igless than Denary
p a t l . I s moke p a t o
0 '
32
+1 6
56 $
O =u n it not necassary
=1 unit n e c a s
난 Se 0 6 8 5 Binary=00111010
sary
Converting Binary to Denary -
Convert 1101100 to Denary
128 3 2 16 Denary = 108
Add all the 64+32+ 8 + 4 = 10 8
unit with
a $ 1 . 1 shows
tha t this unit is
needso you add
all the units that Hexadeimal number System-
have a 1 below and *Humans can use i t . a base - 16 number
you will get your Computer cannot process it System
so has to be converted to binary. - Uses numbers 0 - 9
Denary number.
- uses letters A-F
Denary 2 3 4 5 16 7
9| 10|11/12|13 14|15
Hexadecinal 234567819418 C D TF=
1.1- Binary and Denary and hexadecimal
analogue data.
a continuous stream of data that is
processed by humans
lo g ic g at es -
a verg small comporent ni acomputer system
that controls hte flow of electricity
L can
can'tonlyproce
process digital daka
ss analogue data - s t o r e d i n
So it will be converted to digital dota reg
i sters,
digital data -
dist dischete data that only uses hte values Oand!
registers -
a small component in a computer system that
i s u s e d to temporaily Store da ta
(We) Humans mostly ustnguse the denary number System.
Denary number System -
a base-1D number systen that uses the
10051|005 liOs s1incasesvalues 0-9
y powers af 10.
Computes use a bipary a number System. T $ 2 5 5
Aldor, s-bitmar denarynumber
Binary number system -
128 64 3 2 1 6 8 4 2 a base-2 number System and only
uses the digits Oand l. The units
increase by power o8 2.
, Tip! Check your conversion to
denoty ot binary by checking last unit.
I s denary number is o d d , binary number Should
end in 1. Is desary is even, binary Should be
Converting Denary to Binary -
E.g.
Convert 58 to binary 8-bit binary
128 64 32/16|84211 Igless than Denary
p a t l . I s moke p a t o
0 '
32
+1 6
56 $
O =u n it not necassary
=1 unit n e c a s
난 Se 0 6 8 5 Binary=00111010
sary
Converting Binary to Denary -
Convert 1101100 to Denary
128 3 2 16 Denary = 108
Add all the 64+32+ 8 + 4 = 10 8
unit with
a $ 1 . 1 shows
tha t this unit is
needso you add
all the units that Hexadeimal number System-
have a 1 below and *Humans can use i t . a base - 16 number
you will get your Computer cannot process it System
so has to be converted to binary. - Uses numbers 0 - 9
Denary number.
- uses letters A-F
Denary 2 3 4 5 16 7
9| 10|11/12|13 14|15
Hexadecinal 234567819418 C D TF=
