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Technology Quiz - 1, General Knowledge


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25 Questions MCQ Test General Knowledge | Technology Quiz - 1, General Knowledge

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Technology Quiz - 1, General Knowledge - Question 1

In which decade was the American Institute of Electrical Engineers (AIEE) founded?

Detailed Solution for Technology Quiz - 1, General Knowledge - Question 1

The American Institute of Electrical Engineers (AIEE) was a United States-based organization of electrical engineers that existed from 1884 through 1962. On January 1, 1963, it merged with the Institute of Radio Engineers (IRE) to form the Institute of Electrical and Electronics Engineers (IEEE).

Technology Quiz - 1, General Knowledge - Question 2

'OS' computer abbreviation usually means ?

Technology Quiz - 1, General Knowledge - Question 3

In which decade with the first transatlantic radio broadcast occur?

Detailed Solution for Technology Quiz - 1, General Knowledge - Question 3 On December 12, 1901, a radio transmission received by Guglielmo Marconi resulted in the first transmission of a transatlantic wireless signal (Morse Code) from Poldhu, Cornwall, to St. John's, Newfoundland.
Technology Quiz - 1, General Knowledge - Question 4

What is part of a database that holds only one type of information?

Technology Quiz - 1, General Knowledge - Question 5

'.MOV' extension refers usually to what kind of file?

Technology Quiz - 1, General Knowledge - Question 6

In which decade was the SPICE simulator introduced?

Detailed Solution for Technology Quiz - 1, General Knowledge - Question 6 SPICE (Simulation Program with Integrated Circuit Emphasis) was introduced in May 1972 by the University of Berkeley, California.
Technology Quiz - 1, General Knowledge - Question 7

Most modern TV's draw power even if turned off. The circuit the power is used in does what function?

Detailed Solution for Technology Quiz - 1, General Knowledge - Question 7 Some authorities are recommending TV's, VCR's and Stereo's be connected to power strips with switches and turned off when not in use to save energy. Your remote will not work until power is switched back on.
Technology Quiz - 1, General Knowledge - Question 8

Which is a type of Electrically-Erasable Programmable Read-Only Memory?

Detailed Solution for Technology Quiz - 1, General Knowledge - Question 8 It's commonly used for MP3 players, computer BIOS code and "thumb" drives. Originally developed in Japan by Toshiba, it has become quite popular for products requiring non-volatile erasable memory. Flash devices have a limited number of erase cycles (typically 10,000 to 1,000,000 cycles) so they're not as good a choice for applications in which the data changes constantly. However, since it has no moving parts (unlike a hard disk) it is an excellent choice for storing the operating code for small personal electronics like PDAs, cell phones, digital cameras, and the data in items like MP3 players.
Technology Quiz - 1, General Knowledge - Question 9

The purpose of choke in tube light is ?

Technology Quiz - 1, General Knowledge - Question 10

'.MPG' extension refers usually to what kind of file?

Technology Quiz - 1, General Knowledge - Question 11

Who is largely responsible for breaking the German Enigma codes, created a test that provided a foundation for artificial intelligence?

Technology Quiz - 1, General Knowledge - Question 12

Who developed Yahoo?

Technology Quiz - 1, General Knowledge - Question 13

Made from a variety of materials, such as carbon, which inhibits the flow of current...?

Detailed Solution for Technology Quiz - 1, General Knowledge - Question 13 So named because it resists (or inhibits) the flow of current.
Technology Quiz - 1, General Knowledge - Question 14

The most common format for a home video recorder is VHS. VHS stands for...?

Detailed Solution for Technology Quiz - 1, General Knowledge - Question 14 JVC (Japan Victor Corporation) and Matsushita (Panasonic) developed the VHS format to compete with Sony which developed the Beta format as the first home video cassette recorder. VHS originally stood for Vertical Helical Scan, but now means Video Home System.
Technology Quiz - 1, General Knowledge - Question 15

What does VVVF stand for?

Detailed Solution for Technology Quiz - 1, General Knowledge - Question 15 It is a method of controlling the speed of an AC induction motor, whereby speed, current and torque can all be accurately controlled.
Technology Quiz - 1, General Knowledge - Question 16

What frequency range is the High Frequency band?

Detailed Solution for Technology Quiz - 1, General Knowledge - Question 16 The HF band is based on frequencies 3 to 30 Mhz. AM radio stations are in the HF band but normally are stated in kilohertz.
Technology Quiz - 1, General Knowledge - Question 17

The first step to getting output from a laser is to excite an active medium. What is this process called?

Detailed Solution for Technology Quiz - 1, General Knowledge - Question 17 A collection of atoms or molecules that can be excited to a higher energy state is called an active medium. Before lasing can occur, the active media is "pumped". The process of raising the atoms in the active media from a lower energy state to a higher state is like pumping water up from a well.
Technology Quiz - 1, General Knowledge - Question 18

What is the relationship between resistivity r and conductivity s?

Technology Quiz - 1, General Knowledge - Question 19

Which motor is NOT suitable for use as a DC machine?

Detailed Solution for Technology Quiz - 1, General Knowledge - Question 19 The squirrel cage motor is the only one without any connection to the armature.
Technology Quiz - 1, General Knowledge - Question 20

A given signal's second harmonic is twice the given signal's __________ frequency...?

Detailed Solution for Technology Quiz - 1, General Knowledge - Question 20 A given signal's second harmonic is twice the given signal's fundamental frequency. Harmonics are generated when there are non-linearities in an amplifier (there are always non-linearities). The worse the non-linearities, the more harmonics. A signal at 27.5 MHz (approximate frequency for US citizen's band) would have a second harmonic at 55.0 MHz (on US channel 2!). Can you see why there might be problems? A CB operator might do well to place a low-pass filter on his radio.
Technology Quiz - 1, General Knowledge - Question 21

In which year was MIDI(Musical Instrument Digital Interface) introduced?

Technology Quiz - 1, General Knowledge - Question 22

What does the term PLC stand for?

Detailed Solution for Technology Quiz - 1, General Knowledge - Question 22 Used in manufacturing, engineering, and process operations.
Technology Quiz - 1, General Knowledge - Question 23

When measuring the characteristics of a small-signal amplifier, say for a radio receiver, one might be concerned with its "Noise..."?

Detailed Solution for Technology Quiz - 1, General Knowledge - Question 23 "Noise figure" is one critical parameter for determining the "quality" of a low-noise, small-signal, amplifier, and perhaps more importantly, the sensitivity of the overall receiver system. It is especially important for VHF (very high frequency) - and higher frequency - designs where most of the undesired "noise" (noise that masks or overpowers the desired signals) is generated internal to the electronics itself. In HF (high frequency) applications, atmospheric noise plays a much larger role in determining overall useful sensitivity, so a circuit's "noise figure" is less important.
Technology Quiz - 1, General Knowledge - Question 24

'DB' computer abbreviation usually means ?

Technology Quiz - 1, General Knowledge - Question 25

'.INI' extension refers usually to what kind of file?

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