1+100+10000+999+200+4000+5986+1234-8999-10-567- 67643=

BY USING:- SAMPOA FINGERS STONES

NOW HOW THE NEW GENERATION SOLVE THIS MATHEMATIC PROBLEM?

BY USING:- CALCULATOR COMPUTER

LEARNING AREA 1 INFORMATION AND COMMUNICATION TECHNOLOGY INTRODUCTION TO INFORMATION AND COMMUNICATION TECHNOLOGY EVOLUTION OF THE COMPUTER

LEARNING OUTCOME : Describe the brief evolution of computers.

EVOLUTION OF COMPUTER FIRST GENERATION SECOND GENERATION THIRD GENERATION FOURTH GENERATION FIFTH GENERATION

1st Generation (1940 -1956) Characteristics Scientists Produces Huge, slow, expensive and unreliable Presper Eekert & William Mauchly ENIAC (1946) Use vacuum tube instead of mechanical switches of the MARK 1 UNIVAC (1951) calculate at the rate of 10 000 addition / sec

Technology Details Vacuum Tube Important step of the advancement of computer. Vacuum tube is an electronic tube the size of light bulbs (internal computer components) Punched Card Used to store data Magnetic Tape (1957) It was a faster and a more compact method of storing data. Using magnetic tape became more reliable & cost effective.

2nd Generation (1956-1963) Scientists Hardware Technology John Bardeen Walter Houser Brattain William Shockley Transistor Small devices use to transfer electronic signal across a resistor. Advantage of transistor: Smaller than vacuum tubes No needed no warm up time Consumed less energy Generated much less heat Faster & more reliable

3rd Generation (1964 - 1971) Hardware Technology Introduced computer model : IBM 370 series CDC 7600 B2500 Used for business & scientific program Hardware Technology Intergrated Circuit (IC) Silicone chips were manufactured in 1961 at Silicon Valley. IC had reduced the size & cost of computer Semi conductor Electronic circuit on a small chip of silicon. Microchip Replaced the Magnetic Core Memory 256 bit RAM basic development of 1K bit RAM

FOURTH GENERATION (1971-PRESENT) There are many types of computer models such as: Apple Macintosh IBM DELL ACER During the fourth generation, hardware technology such as silicone chips, microprocessor and storage devices were invented. A microprocessor is a specialized chip which is developed for computer memory and logic.

microprocessor Silicone chips ADVANTAGES Computers became 100 times smaller than ENIAC (Electronic Numerical Integrator and Computer) the first computer. Gain in speed, reliability and storage capacity. Personal and software industry boomed.

Programs which translate languages FIFTH GENERATION (PRESENT & BEYOND) Silicone chips Processor Robotics Virtual reality Intelligent systems Programs which translate languages

NEW ERA OF COMPUTER Mini Computers Personal Computers Mainframe Computers Super Computers Mobile Computer

CONCLUSION First generation Vacuum tube, punch card and magnetic tape Second generation transistor Third generation Integrated circuit, semi conductor, microchip and 256 bit RAM Forth generation Microprocessor, silicone chip Fifth generation Silicone chips, processor, robotics, virtual reality, intelligent systems and programs which translate languages.

3 QUESTIONS Silicone chips were widely used during the third generation. Answer : NO ( Forth generation ) A microprocessor is a specialized chip which is developed for computer memory and logic. Answer: YES 3. ENIAC stands for Electronic Numerical Integrate and Computer. Answer : NO (Electronic Numerical Integrator and Computer)