COMPUTER Fundamental
COMPUTER
C- Calculate -- x.kuk djuk
O- Oprate -- pykuk
M- Memory -- ;knxkj
P- Print -- Nkiuk
U- Update -- rRij
T- Test -- tk¡p
E- Edit -- lq/kkj
R- Responsive -- ftEesokjh
What is a computer?
Computer is a
huge electronic data processing machine which can be retrieve process
manipulate large amount of data in tremendous speed with good accuracy.
daI;wVj ,d fo’kky fo|qrh; ;a= gS]ftlls fdlh dke dks cM+s iSekus
ij ‘kq)&’kq) iwjk djrs gSaA
Introduction of
computer---------- Basically
computer is a calculating machine but now a day it is used in all field for
data processing.
‘kq:vkrh
fnuksa esa daI;wVj x.kuk djus dk ;a= FkkA ysfdu vktdy bldk mi;ksx lHkh {ks=ksa
esa dke dks iwjk djus ds fy, fd;k tk jgk gSA
Who was the
father of computer?
Charles Babbage
was the father of computer.
What is Data?
Data is the
just like raw material which is given into the C.P.U. for processing.
MkVk dPpk /kkrq ds leku gS] ftls
iwjk djus ds fy, C.P.U. esa Hkstrs gSaA
Parts of
computer----------------
Abacus----------
The first computer name is abacus. It is made about 1100 B.C. (Before Christ).
Generation of
computer----------
There are
mainly four generation in computer.
(1)
First
generation
(2)
Second
generation
(3)
Third
generation
(4)
Fourth
generation
Computer classification------------
There are three types of computer according to operating.
(1)
Analog
computer
(2)
Digital
computer
(3)
Hybrid
computer
There are five types of computer according to speed.
(1)
Micro
computer
(2)
Mini
computer
(3)
Super
computer
(4)
Mainframe
computer
(5)
Super
computer
Device----------
(1)
Input
device
(2)
Output
device
(1)
Input
device--- By this device we can input our data in C.P.U. for processing.
(2)
Output
device---By this device we can output data processing result.
Computer
language--------
There are three
types of computer language.
(1)
Low
label language
(2)
Middle
label language
(3)
High
label language
Low label
language and Middle label language are also machinery language.
High label
language is user’s language.
ASCII(American
Standard Code for Information Interchange)
A=65 a=97
B=66 b=98
C=67 c=99
D=68 d=100
E=69 e=101
------ -------
------ -------
Z=90 z=122
Types of
memory-
There are two
types of memory.
(1)
main
memory
(2)
mass
memory
Types of main
memory-
(1)
RAM
(2)
ROM
Types of mass memory-
(1)
Harddisc
(2)
Floppy
disc
(3)
CD
(Compact disc)
Types of
Computer system-
(1)
Software
system
(2)
Hardware
system
Unit----------------
1024 Kb =1Mb where
Kb= kilobyte
1024 Mb = 1 GB Mb= megabyte
1024 GB =1Tb Gb= gigabyte
Tb= terabyte
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