EECS 1520 History of Computing
2026 Exam Questions and
Answers | A+ Score Assured
Slide Rule - 🧠 ANSWER ✔✔A slide rule is a mechanical analog computer
for complex calculations, using logarithmic scales on sliding rulers to
perform multiplication, division, roots, and trig functions by combining
Gunter's Scales.
Slide Rule invented by, year and century - 🧠 ANSWER ✔✔William
Oughtred in the 1620s(17th century AD)
,what is a computer - 🧠 ANSWER ✔✔Computers are programmable
machines that do things for us
Difference Engine when - 🧠 ANSWER ✔✔19th century AD(1820)
Difference Engine who - 🧠 ANSWER ✔✔charles babbage
what is abacus - 🧠 ANSWER ✔✔a manual calculating tool with beads on
rods used for arithmetic (addition, subtraction, multiplication, division) for
centuries before electronic calculators
abacus when - 🧠 ANSWER ✔✔3,000 BC
abacus where - 🧠 ANSWER ✔✔babylonia
Very first computing device. - 🧠 ANSWER ✔✔"finger-powered" calculator
The first known mechanical device that used manual input (like fingers or a
stylus) to perform calculations was - 🧠 ANSWER ✔✔abacus
Antikythera mechanism when - 🧠 ANSWER ✔✔2nd century BC
Antikythera mechanism where and what - 🧠 ANSWER ✔✔an ancient
Greek, hand-powered analog computer
Clock when - 🧠 ANSWER ✔✔12th century AD
, Adding Machine when - 🧠 ANSWER ✔✔17th century AD
The very first mechanical adding machine - 🧠 ANSWER ✔✔the Pascaline
Adding Machine by who - 🧠 ANSWER ✔✔French mathematician-
philosopher Blaise Pascal(to help his tax-collecting father with tedious
calculations, featuring gears and dials for addition and subtraction with an
innovative automatic carry mechanism)
what is Jacquard Loom - 🧠 ANSWER ✔✔Used punch cards to define
complex patterns woven into textiles
Jacquard Loom when was it invented - 🧠 ANSWER ✔✔1801(Joseph Marie
Jacquard)
what are Punched Cards - 🧠 ANSWER ✔✔A punched card or punch card is
a piece of stiff paper with holes, where presence or absence of holes in
pre-defined positions to dictate the design of cloth.
by who and when punch cards were made - 🧠 ANSWER ✔✔Herman
Hollerith in the late 1880s
punched cards were used by who and why - 🧠 ANSWER ✔✔Late 1880s :
Herman Hollerith, for data recording.
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2026. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
2026 Exam Questions and
Answers | A+ Score Assured
Slide Rule - 🧠 ANSWER ✔✔A slide rule is a mechanical analog computer
for complex calculations, using logarithmic scales on sliding rulers to
perform multiplication, division, roots, and trig functions by combining
Gunter's Scales.
Slide Rule invented by, year and century - 🧠 ANSWER ✔✔William
Oughtred in the 1620s(17th century AD)
,what is a computer - 🧠 ANSWER ✔✔Computers are programmable
machines that do things for us
Difference Engine when - 🧠 ANSWER ✔✔19th century AD(1820)
Difference Engine who - 🧠 ANSWER ✔✔charles babbage
what is abacus - 🧠 ANSWER ✔✔a manual calculating tool with beads on
rods used for arithmetic (addition, subtraction, multiplication, division) for
centuries before electronic calculators
abacus when - 🧠 ANSWER ✔✔3,000 BC
abacus where - 🧠 ANSWER ✔✔babylonia
Very first computing device. - 🧠 ANSWER ✔✔"finger-powered" calculator
The first known mechanical device that used manual input (like fingers or a
stylus) to perform calculations was - 🧠 ANSWER ✔✔abacus
Antikythera mechanism when - 🧠 ANSWER ✔✔2nd century BC
Antikythera mechanism where and what - 🧠 ANSWER ✔✔an ancient
Greek, hand-powered analog computer
Clock when - 🧠 ANSWER ✔✔12th century AD
, Adding Machine when - 🧠 ANSWER ✔✔17th century AD
The very first mechanical adding machine - 🧠 ANSWER ✔✔the Pascaline
Adding Machine by who - 🧠 ANSWER ✔✔French mathematician-
philosopher Blaise Pascal(to help his tax-collecting father with tedious
calculations, featuring gears and dials for addition and subtraction with an
innovative automatic carry mechanism)
what is Jacquard Loom - 🧠 ANSWER ✔✔Used punch cards to define
complex patterns woven into textiles
Jacquard Loom when was it invented - 🧠 ANSWER ✔✔1801(Joseph Marie
Jacquard)
what are Punched Cards - 🧠 ANSWER ✔✔A punched card or punch card is
a piece of stiff paper with holes, where presence or absence of holes in
pre-defined positions to dictate the design of cloth.
by who and when punch cards were made - 🧠 ANSWER ✔✔Herman
Hollerith in the late 1880s
punched cards were used by who and why - 🧠 ANSWER ✔✔Late 1880s :
Herman Hollerith, for data recording.
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2026. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
