Lecture Slides Beginning of class to midterm Flashcards
Why was the first computer invented?
To resolve the numbering crisis
Who invented the first computer and when?
Charles Babbage in 1822
What are the functions of a Difference Engine?
A steam-driven mechanical computer capable of performing simple calculations.
What are the functions of an Analytical Engine?
Automated equipment that uses punch cards as input
Capable of solving mathematical problems and also storing information as a permanent memory.
What are the functions of a Tabulating Machine?
An improvement on the mechanical computers by Charles Babbage and uses punch cards as input and can tabulate statistics, while recording and sorting data.
What are the functions of a Differential Analyzer?
An analog device, the first electronic computer uses vacuum tubes to switch electrical signals for performing calculations capable of performing up to 25 calculations in short time.
When was the first generation of computers?
1937 to 1946.
What was the function of the Calculating Machine?
Developed to perform calculations involving large numbers.
What was the function of the Mark I Computer
The first programmable digital computer.
What were the functions of ENIAC
and
EDVAC
The first general-purpose digital computer.
Designed as a stored-program computer working on binary rather than decimal.
When was the second generation of computings?
- to 1962
When was the third generation of computers?
1963 to 1980
What was the first personal computer?
Acorn by IBM from 1981 and it worked on MS- DOS
What was the first PC with GUI?
Apple LISA from 1983
