Introduction to information technology from AISSMS Private Industrial Training Institute

1
INTRODUCTION TO INFORMATION TECHNOLOGY

• BY SHRI.WALKE PRASHANT CHANDRAKANT
• SUBJECT EMPLOYBILITY SKILL ( IT )

2
WHAT IS COMPUTER

• DEVLOPMENT OF COMPUTER
• 1ST COMPUTER 1937-38 (1946)

3
ENIAC

• ELECTRONIC NEUMARICAL INTEGRATOR AND CALCULATOR

4
GENERATION OF COMPUTERS

• FIRST GENERATION
• SECOND GENERATION
• THIRD GENERATION
• FOURTH GENERATION
• FIFTH GENERATION

• 1946-1959
• 1959-1965
• 1965-1973
• 1973-1990
• 1990- ---

5
CHARACTERISTICS OF A COMPUTER

• 1. SPEED
• 2. WORD LENGTH
• 3. MEMORY
• 4. ACCURACY
• 5. CONCENTRATION
• 6. VERSATILITY
• 7. AUTOMATION

6
COMPUTING FIELDS UTILIZATION

• 1. BUSSINESS
• 2. OFFICE
• 3. SCIENTIFIC
• 4. EDUCATION
• 5. TICKETING
• 6. HOTEL
• 7. MEDICINE
• 8. MILITARY
• 9. DIFF.VARIOUS FEILDS

7
TYPES OF COMPUTERS

• 1. ANALOG COMPUTER
• 2. DIGITAL COMPUTER
• 3. HYBRID COMPUTER
• 4. SUPER COMPUTER
• 5. MAIN FRAME COMPUTER
• 6. MINI COMPUTER
• 7. MICRO COMPUTER
• 8. PERONAL COMPUTER (PC)
• 9. LAPTOP COMPUTER

8
INPUT OUTPUT DEVICES

• INPUT DEVICES
• OUTPUT DEVICES

• KEY BOARD
• MOUCE
• SCANNER
• MONITOR
• PRINTER

9
MEMORY

• RAM
• ROM

• RANDOM ACCESS MEMORY
• READ ONLY MEMORY

10
PRINTER

• DOT MATRIX PRINTER
• LINE PRINTER
• INKJET PRINTER
• LASER PRINTER

• TYPES OF PRINTER
• 1. IMPACT PRINTERS
• 2. NON IMPACT PRINTERS

11
THANK YOU