Back to Course

JSS1: COMPUTER STUDIES - 1ST TERM

0% Complete
0/0 Steps
  1. Information Age | Week 1
    3 Topics
    |
    1 Quiz
  2. Historical Development of Computers | Week 2
    2 Topics
    |
    1 Quiz
  3. Mechanical Counting & Calculating Devices | Week 3
    1 Topic
    |
    1 Quiz
  4. Electro-mechanical Counting Devices | Week 4
    5 Topics
    |
    1 Quiz
  5. Electronic Counting Devices & Modern Computers | Week 5
    7 Topics
    |
    1 Quiz
  6. Modern Machines | Week 6
    4 Topics
    |
    1 Quiz
  7. Contributions of Named Information Technology Inventors | Week 7
    2 Topics
  8. Information Technology Inventors & their Inventions II | Week 8
    1 Topic
  9. Information Technology Inventors & their Inventions III | Week 9
    2 Topics
    |
    1 Quiz
  10. Classification of Computers | Week 10
    7 Topics
    |
    1 Quiz



Lesson Progress
0% Complete

Topic Content:

  • Herman Hollerith’s Machine
hollerith census machinechm
Hollerith’s Machine.

One of the men who developed mechanical devices in the 19th century, which were based on the punched card of Joseph Jacquard, was Dr Herman Hollerith. It was an electrical counting machine, which was called a “tabulator” (or tabulating machine)

 

You are viewing an excerpt of this Topic. Subscribe Now to get Full Access to ALL this Subject's Topics and Quizzes for this Term!

Click on the button "Subscribe Now" below for Full Access!

Subscribe Now

Note: If you have Already Subscribed and you are seeing this message, it means you are logged out. Please Log In using the Login Button Below to Carry on Studying!

Responses

Your email address will not be published. Required fields are marked *

error: Alert: Content selection is disabled!!