1. PRESENTATION REPORT SUBMITTED TO …
ON
“COMPUTER”
SUBMIT TO: SUBMIT BY:
MISS ARTI KOUNDAL ALKA ROLL NO. 14 CLASS 7TH
PRINCY MANHAS ROLL NO 22 CLASS 7TH

2. COMPUTER
A world of technology……….

3. DEFINITION
Computer is an electronic device, which
accept input from its input devices, process
this input and at last send the result of this
processing, to its output devices.
BY PRINCY /ALKA

4. FATHER OF COMPUTER?
 Charles Babbage is known as father
of modern days computers. He was
a mathematician at Cambridge
university of England. First computer
machine named “Deferential Engine”
was develop in 1830 by Charlie’s
Babbage
BY PRINCY /ALKA

5. PARTS OF COMPUTER
 INPUT DEVICES
 STORAGE DEVICES
 PROCESSING DEVICES
 OUTPUT DEVICES
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6. INPUT DEVICES
All the devices, which are used to enter input for a
computer , are known its input devices. For example
 MOUSE
 KEYBOARD
 CAMERA
 SCANNER
 MIC
 TRACKBALL
BY PRINCY /ALKA

7. STORAGE DEVICES
After input from input devices, this data is stored into
storage devices of computer. And for processing ,
processor capture this raw data from these storage
devices. Following are example of storage devices.
RAM
HARD DISK
MEGNATIC TAPE
BY PRINCY /ALKA

8. PROCESSING DEVICES
All the devices which are help to execute a process
or which are used for convert input to output.
Following are some main processing devices:-
CPU OR PROCESSOR CHIP
CO-PROCESSORS CHIPS
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9. OUTPUT DEVICES
After processing, computer’s results are displayed
or printed on its output devices. We can say, these
are the devices through which computer present its
results for outside world. Following are some main
output devices
MONITOR
PRINTER
SPEAKERS
BY PRINCY /ALKA

10. FEATURES OF COMPUTER
Speed:- A computer can perform millions of instruction(calculations) per
second.
Accuracy:- Computer is 100 % accurate in providing result .Its result may
be wrong, but it totally due to wrong input by its user.
Never get tired:- It can work continuously without getting tired.
It there are millions of instruction then it will perform the
last instruction with same speed and accuracy as first
instruction.
Large storage capacity: - In computer we can store a large
amount of data. This data can be letters, pictures sounds etc
BY PRINCY /ALKA

11. USE OF COMPUTER
In Education Computers have proved to be excellent teachers. Computer based
encyclopedia such as Britannica provide you enormous amount of information on anything.
In Entertainment, Computers are also great entertainers. Many computer games are
available which are like the traditional games like chess, football, cricket, etc.
In Industry, Computers are finding their greatest use in factories and industries of all kinds.
The computers are commonly used in some area of medical fields such as laboratories,
researches, scanning, monitoring, pharmacy etc.
Computerized banking have provides several benefits such as save the time and
convenience for customer .
BY PRINCY /ALKA

12. LIMITATION OF COMPUTERS
 Depend on user’s input.
 Computer have no imagination.
 Cannot detect error in logic.
 Only expert user can work on it.
 Cannot take its own decisions.
BY PRINCY /ALKA

13. By Mr Ajay Singh
THE END.. Intel computer Jawali
Dist kangra hp(9805208769)
THANKS FOR VIEW THIS
PRESENTATION………..
BY PRINCY /ALKA