Comparison chart Analog Digital Signal Analog signal is a continuous signal which represents physical measurements. Digital signals are discrete time signals generated by digital modulation. Waves Denoted by sine waves Denoted by square waves Representation Uses continuous range of values to represent information Uses discrete or discontinuous values to represent information Example Human voice in air,… Continue reading Analog vs. Digital

YEAR FIRST GENERATION (1940-1956) SECOND GENERATION (1956-1963) THIRD GENERATION (1964-1971) FOURTH GENERATION (1971-PRESENT)       HARDWARE vacuum  tubes,punch Cards ,paper  tubes Transistors, computer Became smaller Integrated circuits,multiple transistors on silicon LSI/VLSI Thousand transistors Integrated on silicon chip     MEMORY Magnetic Drums Magnetic core Primary memory Magnetic tubes/disc Magnetic core Solid  state (no mechanical … Continue reading Generation of computer’s -Comparison Table

Generations of Computer:  It means step by step growth in the technology.  Each phase of computer has been extended to include both hardware and software, together make up an entire computer system.  Based on the period of development, the features and technological advancement, the computer has been classified into various generations. … Continue reading Generation Of Computer

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