Module II Flashcards
(20 cards)
AN ELECTRONIC MACHINE THAT ACCEPTS INFORMATION (DATA), PROCESSES IT ACCORDING TO SPECIFIC INSTRUCTIONS AND PROVIDES THE RESULTS AS NEW INFORMATION
Computer
What are the three principal characteristics of a computer?
• Responds to specific instructions.
• Executes pre-recorded instructions.
• Stores and retrieves large amounts of data quickly.
What ancient device was used to record and document numbers?
Tally Stick
What mathematical device, invented in Babylonia around 2400 B.C., was used for basic arithmetic operations?
Abacus
**Who invented Napier’s Bones in 1614?
John Napier
What device allowed multiplication, division, and square root calculations using rods?
Napier’s Bones
What device, invented by William Oughtred in 1622, performed logarithmic calculations?
Slide rule
Who invented the Pascaline in 1642?
Blaise Pascal
What operations could the Pascaline perform?
Addition and subtraction
What device, invented by Gottfried Wilhelm Leibniz in 1672, could add, subtract, multiply, and divide?
Stepped Reckoner
What mechanical loom, invented by Joseph Marie Jacquard in 1881, was controlled by punched cards?
Jacquard Loom.
Who is known as the father of the computer?
Charles Babbage
What did Charles Babbage invent in 1822 and 1834?
Difference Engine and Analytical Engine.
Who was the first programmer, known for suggesting the use of the binary system?
Augusta Ada Byron.
What was the first printing calculator, invented by Per Georg Scheutz in 1843?
Scheutzian Calculation Engine.
What machine, invented by Herman Hollerith in 1890, was used for summarizing information and accounting?
Tabulating machine
What was the first electro-mechanical computer, invented by Howard H. Aiken in 1943?
Harvard Mark 1 (IBM Automatic Sequence Controlled Calculator).
What was the first programmable computer, created by Konrad Zuse between 1936 and 1938?
Z1
What was the first electronic digital computing device, invented by John Atanasoff and Clifford Berry?
Atanasoff-Berry Computer.
What does ENIAC stand for?
Electronic Numerical Integrator and Computer.
