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THERE ARE ------TYPES OF CALCULATING DEVICES

FOUR

10

EARLY ------DEVICE

CALCULATING

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GENERATION OF COMPUTERS CAN DIVIDE INTO -----TYPES

FIVE

10

WHERE WAS ABACUS INVENTED

CHINA

10

FIRST CALCULATING DEVICE

ABACUS

20

JACQUARD LOOM INVENTED BY

JOSEPH JACQUARD

20

DIFFERENCE ENGINE INVENTED BY

CHARLES BABBAGE

20

TABULATING MACHINE INVENTED BY

HERMAN HOLLERITH

20

PASCALINE INVENTED BY

BLAISE PASCAL

20

NAPIER'S BONES INVENTED BY

JOHN NAPIER

30

FIRST GENERATION EXAMPLE

ENIAC

30

SECOND GENERATION EXAMPLE

IBM

30

THIRD GENERATION EXAMPLE

IBM 360 SERIES

30

Z3 INVENTED BY

KONARD ZUSE

30

FIRST COMPUTER MOUSE INVENTED BY

DOUG ENGELBART

40

FIRST PROGRAM CONTROLLED MACHINE

HARVARD MARK 1

40

FIRST READ ONLY MEMORY

JACQUARD LOOM

40

FATHER OF COMPUTERS

CHARLES BABBAGE

40

ENIAC INVENTED BY

JOHN MANCHLY AND J.PRESPER ECKERT

40

FIRST MOUSE INVENTED IN ------YEAR

1964

50

FIRST GENERATION TECHNOLOGY

VACUUM TUBES

50

ENIAC FULL FORM

ELECTRONIC NUMERICAL INTEGRATOR AND COMPUTER

50

-------MACHINE IS USED FOR CENSUS CALCULATIONS

TABULATING MACHINE

50

THIRD GENERATION TECHNOLOGY

INTEGRATED CIRCUITS

50

IBM FULL FORM

INTERNATIONAL BUSINESS MACHINE