History Of Computing Flashcards
What is a transistor?
They are electronic switches
What are integrated circuits?
They are electronic circuits on a single semiconductor (microchip)
What are microprocessors?
It has a central processing unit (CPU) which takes binary input data,perform operations from instructions and produce results.
What does PC stand for?
Personal Computers
Charles Babbage
He created the Difference Engine(used for relationships between variables)
Anaylitical Engine
Ada Lovelace
Pulished first algorithm
Hollerith
Developed the punch card system (used in the Us Census)
Merged to create IBM
Colussus
Built by Turing and Tommy Flowers
Crack nazi codes during World War II
ENIAC
Built in US
stands for Electronic Numerical Integrator And Computer
What was in the first generation of computers?
Vacuum Tube
What was in the second generation of computers?
Transistor
Replaced vacuum tubes
Smaller,reliable,energy and cost efficient
IBM608 was first computer using transistors
What was in the third generation of computers?
Integrated Circuits
portable computers
Example:Apollo Gidance Computer
What was in the fourth generation of computers?
Microprocessors
contain billions on a single chip
PC’s become more affordsble and practical
Describe Modern Computers
cheap
Can peform quadrillions of operations per second
Summit is the fastest computer
Whats is the future for computers?
Quantum Computer
Based on quantum mechanical principals
