This document provides an introduction to computers including: - There are 6 types of computers including desktop, laptop, micro, mini, super and tablet computers. - A computer works by taking input from the user, processing it, and providing meaningful output. - Computer components include the keyboard, mouse, CPU, memory, input/output devices, and different types of storage like hard disks, floppy disks, CDs/DVDs, USB drives, and memory cards. - Computers have gone through several generations from vacuum tubes to integrated circuits to microprocessors.

1. Basic of Competer
Presentad by
Somashekhara

2. Contents
 Introduction about computer
 How many types of computer
 How computer work
 Computer full form
 Key board
 Mouse full form
 Generations of computer
 Data storage
 Different part of computer
 Input device and output device

3. Introduction about computer
 Computer is a Electronic device. Which takes
data input from the user proses it gives meaning
full result or information output.
 Invited by Charles Babbage in 1946 he was
father of computer.

4. How many types of computer
There are 6 types of computer
1.Desktop computer
2.Laptop computer
3.Micro computer
4.Mini computer
5.Super computer
6.Tablet computer

5. How to work computer
CPUCPU
CompilerCompiler CompilerCompiler
InputInput output Memory

6. Computer full from
 C Commonly
 O Operator
 M Machine
 P Properly
 U User
 T Technology
 E Engineering or Education
 R Research

7. Key Board
 Key Board is a type writing keys
 There are 104 or 106 keys
 Functions keys is F1 to F12
Control Keys :- Escape, Tab, Caps lock,
Shift, Spacebar, Control.

8. Mouse full from
 M :- Manually
 O :- Operated
 S :- Selected
 E :- Equipment
Mouse :- A computer Mouse can do broody
classified into two categories namely the optical
mouse and the roller moues.

9. CPU full form
 C :- Control
 U :- Processing
 U :- Unite

10. Generations of computer
 1st
Generation of (1946-1955) Vacumetube.
 2nd
Generation of (1955-1965) Tran sister.
 3rd
Generation of (1955-1975) Integrated Circuit.
 4th
Generation of (1975 to present) Micro Process.
 5th
Generation of Present behind.

11. Data storage
 8 bites = 1 Byte Hard Disk
 1024 bytes = 1 Kilo byte Floppy Disk
 1024 KB = 1 Mega byte CD/DVD
 1024 MB = 1 Giga byte Pen drives
 1024 GB = 1 Terra byte Memory card
 1024 TB = 1 peat byte Etc.

12. Parts of computer
There are two parts of computer
 Hardware computer
 Software computer
 Hardware computer :- Physical device which we
can feel and touch can be replaced is called Hardware
computer.
Ex :- Mather board, Hardisk, RAM, Keyboard

13. Physical type Data type
Hardware
Hardware
External
device
Internal
device
Input
device
Output
device

14. External device :- External device are the device
which are can be found outside the cabinet.
Ex :- Key board
Mouse
Scanner
Lighten
Microphone

15. Internal device :- Internal device are the device
which are can be found inside the cabinet.
Ex :- Hardware
Floppy disk
Ram
Rom

16. Input device :- Any machine that feeds data in to a
computer is called as input device for examples,
Keyboard, Mouse, etc.
Output device :- Any machine which display the
information in either soft or hard copy for
examples,
Projector, Speaker, Mainer.

17. Input device Output device
 Keyboard
 Mouse
 Scanner
 Remote
 Joystick
 Gamepad
 Micro phone
 Monitor
 Projector
 Speaker
 Headphone
 Printer

18.  Software computer :- Software is a set of the
programme is called software computer.
There are 3 types of software.
 Operating system :- It is a interface between
hardware and the user is called operating system.
Ex :- Dos, Windows 98, Win Xp, Win 8, Win 8.1,
Win 10.

19.  Application programme :- These software are
use full fill uses requirements.
Ex :- Ms-office, Media players, games etc.
 Utility software :- Used for specific purpose in an
organization.
Ex :- Software’s used in banks, airports, hospital
etc.