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Evolution of computer - Coggle Diagram
Evolution of computer
Types of computer :fire:
❤️Analog
💥Measure physical quantity
❤️Hybrid
💥is an analog computer controlled by a digital computer instead of human being.
❤️Digital
💥Perform calculation and logical operation
Application of computer :recycle:
💥Banking
is totally dependent on computer systems.
💥Business
*maintaining employee
records, payroll calculations etc.
💥Education
*Various educational institutions are using
computers to educate the students.
Computer generations :check:
❤️First generations
*computer used vacuum tubes as the basic components for memory and circuitry for CPU (Central Processing Unit)
❤️Second generation
*on computers replaced vacuum tube with transistors, thus the size of the computers of second generation was decreased as compared to first generation
computers.
Categories of computers :star:
Personal computer :<3::
❤️Notebook
💥also called a laptop computer, is a portable, personal computer often designed to fit on your lap.
❤️Smartphone
💥contain both numbers and letters so that you can use the same keypad to dial phone numbers and enter messages.
❤️Desktop
💥is designed so that the system unit, input devices, output devices, and any other devices fit entirely on or under a desk or table.
❤️Mainframes
💥is a large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously.