1 / 8

THE PARALLEL BINARY ADDER

THE PARALLEL BINARY ADDER. BY: MATHEW AU & AKSHAY AHOOJA. The History Of The Calculator. Ancient Times - The abacus is the main aid to calculation. 1600 - " Napier's bones " invented by John Napier for multiplication, based on the ancient numerical scheme known as the Arabian lattice.

galena
Download Presentation

THE PARALLEL BINARY ADDER

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. THE PARALLEL BINARY ADDER BY: MATHEW AU & AKSHAY AHOOJA

  2. The History Of The Calculator Ancient Times - The abacus is the main aid to calculation. 1600 - "Napier's bones" invented by John Napier for multiplication, based on the ancient numerical scheme known as the Arabian lattice. 1623 - Willhelm Schickard invented the "Calculating Clock", the first mechanical calculator. It used a version of Napier's bones for multiplication with a mechanical adding/subtracting calculator based on gears, with mutilated gears for carry. 1642 - Blaise Pascal started to develop a mechanical calculator - the Pascaline. Capable of addition, subtraction was performed by nines-complement addition, and multiplication was performed by repeated additions and subtractions. It had shortcomings and failed to sell. 1853 - The Scheutz Difference Engine completed: the world's first printing calculator. 1878 - The first direct multiplication machine was built by Raymond Verea

  3. History (Continued) 1900 - 1960- Mechanical calculators developed slowly - electric motor drive, reduction in size, added features (eg. automatic multiplication & division). 1948 - Curta miniature hand-held mechanical calculator introduced 1960 - First electronic desktop calculator - Bell Punch/SumlockAnita Mk VII - based on cold-cathode vacuum tubes 1970 - First hand-held calculators 1972 - First scientific pocket calculator introduced 1977 - Solar powered calculators introduced.

  4. HOW IT WORKS? 510 +410 910 IN BINARY… 1012 +1002 10012 4 2 1

  5. HOW IT WORKS (Continued) 1 1 0 0 1 0 FA FA HA 0 0 1 0 0 1 HA – Half Adder FA- Full Adder Carry ANSWER = 1 0 0 12 910

  6. CIRCUIT DIAGRAM HA -Red FA1- Green FA2 -Blue

  7. THE BREADBOARD HA -Red FA1- Green FA2 -Blue

  8. AKSHAY AHOOJA MATT AU THE END

More Related