FUNDAMENTALS OF INFORMATION SYSTEM Flashcards
first calculating device pioneer of qll calculating machine and there time
Abacus 3000BC
Where abacus used?
china russia and far east countries
still used in china for tradition
in 1642 adding machine
pascaline mechanical adding machine
who make pascaline adding machine
pascal blaise
in 1800s what is used to
punched card data
who used punched card data to automate weaving factory
joseph jacquard (hacquard)
what pascaline mechanical adding machine can do
it much faster than abacus and can do adding subtracting division and multiplacation using repeatedly adding
what punched card data can do?
it can put data and process using binary holes its made in wood
what engine is used in 1830
babbage analytical engine
who invented analytical engine?
charles babbages know as father of computer
what analytical engine can do
store 50 thousand digit numbers for calculations and decisions
what machine used in1890s
Hollerith tabulating machine
who invented Hollerith tabulating machine
herman Hollerith
what Hollerith tabulating machine can do?
to tabulate 1890 US census ( poll) data its using electricity and punched card
who helped babbage to his work
ada lovelace
what is used in 1944
Mark 1
who invented mark 1?
Dr Howard aiken
what mark 1 can do
it can perform complex calculation automatically and used in military projects
what is used in 1946
ENIAC - electronic numerical integrator and computer
who introduced eniac?
john mauchly and a J. presper eckert
what eniac can do
it capable performing 5000 addition per second and used for calculating artillery and complex calculation
what is used in 1951
Univac - universal automatic computer
who invented univac -1
john mauchly and a J. presper eckert
univac story
first commercial computer and that got large amount of public attention
