# User:Guy vandegrift/Computer quiz/Unified to one quiz

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Etymology/History

1

The first English-language usage of the word "computer" referred to

 a person an abacus counting rods Roman numerals
First general-purpose computing device

2

Babbage's account of the origin of the difference engine in the 1820s was that he was working to satisfy the Astronomical Society's desire to improve The Nautical Almanac.

 true false

3

Babbage's account of the origin of the difference engine in the 1820s was that he was working to satisfy the Astronomical Society's desire to predict lunar eclipses

 true false

4

Babbage's use of punch cards in the 1930s to solve a problem posed by the Astronomical Society was later adopted to the Jacquard loom.

 true false

5

Babbage's use of punch cards in the 1930s to solve a problem posed by the Astronomical Society was preceded by such use on the Jacquard loom.

 true false
Early analog computers

6

A system that uses levers, pulleys, or other mechanical device to perform calculations is called an analog computer

 true false

7

A system that uses tables of numbers is called an analog computer

 true false

8

Analog computers were phased out by the dawn of the twentieth century (circa 1900)

 true false

9

Analog computers continued to be developed into the twentieth century

 true false
The modern computer age begins

10

The Turing machine permitted a solution to the halting problem

 true false

11

The Turing machine could not have been invented until after the halting problem was solved.

 true false

12

The Turing machine was a(n) ______ device

 conceptual prototype analog electromechanical digital

13

This algorithm halts if it starts at 0:

• Add 3
• If the number is divisible by 10, divide by 10
• Stop if the number exceeds 100
• Go to top

 true false

14

This algorithm halts if it starts at 0:

• Add 3
• If the number is divisible by 10, add 10
• Stop if the number exceeds 100
• Go to top

 true false

15

In London (circa 1935) thousands of vacuum tubes were used to

 control a telephone exchange calculate the value of π control a textile mill count votes in an election

16

The Bombe was a(n) ______________ device used (circa 1940) to defeat the Enigma machine in World War II.

 electromechanical mechanical electric digital programmable Turing-complete

17

The Colossus, used to defeat the German Enigma machine during World War II in 1944, was

 electromechanical mechanical electric digital programmable Turing-complete

18

The chronological order by which electronic computers advanced is:

 tubes, transistors, and then integrated circuits tubes, integrated circuits and then transistors integrated circuits, tubes, and then transistors transistors, integrated circuits, and then tubes