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Science & Nature
5,023 questions • Page 23 of 72
| # | Question | Answer |
|---|---|---|
| 1541 | Which of these Cherry MX mechanical keyboard switches is both tactile and clicky? | Cherry MX Blue |
| 1542 | What is known as "the brain" of the Computer? | Central Processing Unit |
| 1543 | Which virtual assistant is developed by Amazon? | Alexa |
| 1544 | Microphones can be used not only to pick up sound, but also to project sound similar to a speaker. | True |
| 1545 | Who built the first laser? | Theodore Harold Maiman |
| 1546 | Which company developed the Hololens? | Microsoft |
| 1547 | The Western Electric Model 500 telephone uses tone dialing to dial phone numbers. | False |
| 1548 | Which of the following cellular device companies is NOT headquartered in Asia? | Nokia |
| 1549 | What does GPS stand for? | Global Positioning System |
| 1550 | Which buzzword did Apple Inc. use to describe their removal of the headphone jack? | Courage |
| 1551 | Which of the following is used to measure blood pressure? | Sphygmomanometer |
| 1552 | Who patented a steam engine that produced continuous rotary motion? | James Watt |
| 1553 | What is the "Mitsubishi Wakamaru"? | A robot |
| 1554 | During the early parts of the Vietnam War the M16 had a record for having bad reliability | True |
| 1555 | Which of the following is not a type of computer mouse? | Smoothie mouse |
| 1556 | Which gaming console is developed by Sony? | PlayStation |
| 1557 | What is the name of a simple machine that is made up of a stiff arm that can move freely around a fixed point? | Lever |
| 1558 | In what year was the Oculus Rift revealed to the public through a Kickstarter campaign? | 2012 |
| 1559 | Mobile hardware and software company "Blackberry Limited" was founded in which country? | Canada |
| 1560 | Which round does a WW2 M1 Garand fire? | .30-06 |
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| 1561 | What round is a classic AK-47 chambered in? | 7.62x39mm |
| 1562 | Which company designed the "Betamax" video cassette format? | Sony |
| 1563 | When was the Tamagotchi digital pet released? | 1996 |
| 1564 | What does SSD stand for in the context of computer storage? | Solid State Drive |
| 1565 | When was the iPhone released? | 2007 |
| 1566 | Which company manufactured the iconic TR-808 drum machine? | Roland |
| 1567 | What are the base station trackers used for the HTC Vive called? | Lighthouse |
| 1568 | What is the most significant side venture the popular firearms company, Remington, has pursued? | Typewriters |
| 1569 | The communication protocol NFC stands for Near-Field Control. | False |
| 1570 | The term "battery" to describe an electrical storage device was coined by? | Benjamin Franklin |
| 1571 | Out of all of the NASA Space Shuttles, which 2 have been destroyed in disasters? | Challenger and Columbia |
| 1572 | When did the CD begin to appear on the consumer market? | 1982 |
| 1573 | Which of the following is the standard THX subwoofer crossover frequency? | 80 Hz |
| 1574 | When was the DVD invented? | 1995 |
| 1575 | What numbers are in the 5th row of Pascal's Triangle? | 1 4 6 4 1 |
| 1576 | What shape does sin(x) or cos(x) make on a graph? | Waves |
| 1577 | What is the plane curve proposed by Descartes to challenge Fermat's extremum-finding techniques called? | Folium of Descartes |
| 1578 | L'Hôpital was the mathematician who created the homonymous rule that uses derivatives to evaluate limits with indeterminations. | False |
| 1579 | How many zeros are there in a googol? | 100 |
| 1580 | The proof for the Chinese Remainder Theorem used in Number Theory was NOT developed by its first publisher, Sun Tzu. | True |
|
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| 1581 | In the complex plane, multiplying a given function by i rotates it anti-clockwise by how many degrees? | 90 |
| 1582 | What is the area of a circle with a diameter of 20 inches if π= 3.1415? | 314.15 Inches |
| 1583 | Which greek mathematician ran through the streets of Syracuse naked while shouting "Eureka" after discovering the principle of displacement? | Archimedes |
| 1584 | To the nearest whole number, how many radians are in a whole circle? | 6 |
| 1585 | How many sides does a heptagon have? | 7 |
| 1586 | The binary number "101001101" is equivalent to the Decimal number "334" | False |
| 1587 | What is the first Mersenne prime exponent over 1000? | 1279 |
| 1588 | Which of these probability distributions is NOT discrete? | Normal |
| 1589 | Integration is the reverse of what mathematical operation? | Derivation |
| 1590 | The French mathematician Évariste Galois is primarily known for his work in which? | Galois Theory |
| 1591 | Which of the following famous mathematicians died in a duel at the age of 20? | Galois |
| 1592 | How many books are in Euclid's Elements of Geometry? | 13 |
| 1593 | A scalene triangle has two sides of equal length. | False |
| 1594 | What prime number comes next after 19? | 23 |
| 1595 | What is the approximate value of mathematical constant e? | 2.72 |
| 1596 | How many Millibars (mbar) to 1 Inch of Mercury (inHg) | 33.9 |
| 1597 | Which of the following mathematicians made major contributions to game theory? | John Von Neumann |
| 1598 | You can square root a negative number with an imaginary number "i". | True |
| 1599 | What Greek letter is used to signify summation? | Sigma |
| 1600 | What is the derivative of sin(x) | cos(x) |
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| 1601 | The metric prefix "atto-" makes a measurement how much smaller than the base unit? | One Quintillionth |
| 1602 | What's the square root of 49? | 7 |
| 1603 | Zero factorial is equal to zero. | False |
| 1604 | In Roman Numerals, what does XL equate to? | 40 |
| 1605 | If you could fold a piece of paper in half 50 times, its' thickness will be 3/4th the distance from the Earth to the Sun. | True |
| 1606 | What is the equation for the area of a sphere? | (4/3)πr^3 |
| 1607 | The set of all algebraic numbers is countable. | True |
| 1608 | At what temperature does temp in °C equal temp in °F? | -40 |
| 1609 | A universal set, or a set that contains all sets, exists. | False |
| 1610 | An equilateral triangle always has every angle measuring 60°. | True |
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