IT 2 Flashcards

(58 cards)

1
Q

Earliest Computers originally _____ were computed by ______, whose job title was computers.

A

calculations, humans

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2
Q

They were typically engaged in the calculation of a mathematical expression.

A

human computers

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3
Q

The calculations of this period were specialized and expensive, requiring years of training in ___.

A

mathematics

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4
Q

The first use of the word “_____” was recorded in 1613, referring to a person who carried out calculations, or computations, and the word continued to be used in that sense until the middle of the 20th century.

A

computer

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5
Q

an ancient memory aid device to record and document numbers, quantities, or even messages.

A

a. Tally Sticks

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6
Q

is a mechanical device used to aid an individual in performing mathematical calculations.

A

b. Abacus

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7
Q

The abacus was invented in

A

Babylonia

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8
Q

 The abacus in the form we are most familiar with was first used in

A

China

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9
Q

It is used to perform basic arithmetic operations.

A

b. Abacus

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9
Q

Napier’s Bones Invented by

A

John Napier

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9
Q

Allowed the operator to multiply, divide and calculate square roots by moving the rods around and placing them in specially constructed boards.

A

c. Napier’s Bones

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10
Q

Slide Rule Invented by

A

William Oughtred

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11
Q

 Is based on Napier’s ideas about logarithms.

A

d. Slide Rule

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12
Q

 Used primarily for – multiplication – division – roots – logarithms – Trigonometry

A

d. Slide Rule

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13
Q

 Not normally used for addition or subtraction.

A

d. Slide Rule

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14
Q

Pascaline is Invented by

A

Blaise Pascal

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15
Q

 It was its limitation to addition and subtraction.

A

e. Pascaline

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16
Q

 It is too expensive.

A

e. Pascaline

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17
Q

Stepped Reckoner Invented by

A

Gottfried Wilhelm Leibniz

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18
Q

 The machine that can add, subtract, multiply, divide automatically.

A

f. Stepped Reckoner

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19
Q

 The Jacquard loom is mechanical loom, invented by

A

Joseph-Marie Jacquard

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20
Q

It is an automatic loom control by punched cards

A

g. Jacquard Loom

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20
Q

is mechanical loom

A

g. Jacquard Loom

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21
Q

A mechanical calculator invented by

A

Thomas de Colmar

22
 The first reliable, useful and commercially successful calculating machine.
h. Arithmometer
23
 The machine could perform the four basic mathematic functions.
h. Arithmometer
24
 The first mass-produced calculating machine.
h. Arithmometer
25
 It an automatic, mechanical calculator designed to tabulate polynomial functions.
i. Difference Engine and Analytical Engine
26
i. Difference Engine and Analytical Engine is Invented by
Charles Babbage
27
 It is the first mechanical computer.
i. Difference Engine and Analytical Engine
28
It is the one who suggests to Babbage that he use the binary system.
Augusta Ada Byron
29
 She writes programs for the Analytical Engine.
j. First Computer Programmer
30
k. Scheutzian Calculation Engine is invented by
Per Georg Scheutz
31
 Based on Charles Babbage’s difference engine.
k. Scheutzian Calculation Engine
32
 The first printing calculator.
k. Scheutzian Calculation Engine
33
l. Tabulating Machine is Invented by
Herman Hollerith
34
 To assist in summarizing information and accounting.
l. Tabulating Machine
35
 Also known as IBM Automatic Sequence Controlled Calculator (ASCC).
m. Harvard Mark 1
36
m. Harvard Mark 1 is Invented by
Howard H. Aiken
37
 The first electro-mechanical computer.
m. Harvard Mark 1
38
 The first programmable computer.
n. Z1
39
Z1 is Created by _____ in ______
Konrad Zuse, Germany
40
It is required that the user insert punch tape into a punch tape reader and all output was also generated through punch tape.
Z1
41
 It was the first electronic digital computing device.
o. Atansoff-Berry Computer (ABC)
42
o. Atansoff-Berry Computer (ABC) is Invented by ___ and ___ at Iowa State University between 1939 and 1942.
Professor John Atanasoff and graduate student Clifford Berry at Iowa State University between 1939 and 1942.
43
 ENIAC stands for
Electronic Numerical Integrator and Computer.
44
 It was the first electronic general-purpose computer.
p. ENIAC
45
p. ENIAC is Developed by
John Presper Eckert and John Mauchly.
46
was the first commercial computer.
 The UNIVAC I (UNIVersal Automatic Computer 1
47
 The UNIVAC I Designed by
John Presper Eckert and John Mauchly.
48
 The First Stored Program Computer.
r. EDVAC
49
 It has a memory to hold both a stored program as well as data.
r. EDVAC
49
 EDVAC stands for
Electronic Discrete Variable Automatic Computer.
50
EDVAC is Designed by
Von Neumann
50
s. The First Portable Computer
Osborne 1
51
 Osborne 1 Released in 1981 by
Osborne Computer Corporation.
52
 The first computer company was the
Electronic Controls Company.
53
Electronic Controls Company Founded by
John Prespre Eckert and John Mauchly.