Comp. Sci. First Quiz

What is considered the mechanical age?

17th- 20th centuries

Boolean logic

1824 George Bool creates boolean logic. all answers are reduced to true and false.

Ritty cash register

1879 james ritty invented the mechanical cash register. it's legit a clock.

Curta Mechanical Calculator

1949 Curta Herstark invents a calculator used until the 70s. its a descendent of the arithmometer and the step reckoner. looks like a black flashlight or speaker (cylinder).

What was the slide rule and when was it made? what does it look like?

A slide rule is used for multiplication and division, invented by William Oughtred in 1622. Used until 1970s. Straight up looks like a ruler.

What is the universal concept that alan turing invented.

Alan turing invented the universal turing machine (utm). this isn't a think it's a concept which all computers are based on.

Charles Babbage

Charles Babbage: 1837 analytical machine: first programmable computer. i dont know what the hell this looks like.

What does IBM stand for?

International business machines

What is the 19th - 20th centuries called?

Punched cards.

Binary system

a system that is expressed by combinations of 0 and 1. Leibniz invented thought and invented this around the 1660s.

Stepped Reckoner

another arithmetic machine invented 1671 by Leibniz. Legit looks like a staircase.

Ada countess of love

considered the first programmer. wrote the algorithm for analytical machine.

Tabulating machine? What is it now known as/

created by herman hollerith to sum information and later used by accountants. invented in the 1880s. now known as IBM

Herman Hollerith

h in the 1880s he makes standardized cards and tabulators and a key punch machine (storage, processing, input) Tabulator looks like something that shows u different time zones, and the key punch machine looks like something only an accountant would use.

Alan Turing

in 1936 he mathematically defines all the problems that a computer can solve.

Thomas Arithmometer

invented by charles thomas in 1820. First mass produced calculating device. looks like a jewlery box with a bunch of volume buttons on the inside.

Everything in the mechanical age was _________ but instead were ____.

not a computer calculators

punched cards

piece of paper stock that can hold data in the form of small holes that are processed by a computer, looks like a scan tron.

What is a pascaline?

used for addition and subtraction. Invented by Blaise Pascal around 1642. Kind of looks like a jewelry box.

the tabulating machine made computing machines (stepped reckoner or the analytical machine) more ____________, rather than _______.

useful toys