Technology GK
Below Some Technology Related General Knowledge :
What does EPROM stand for?
—Erasable Programmable Read Only Memory
What was the active medium used in the first working laser ever constructed?
—A ruby rod
| Larger buildings may be supplied with a medium voltage electricity supply, and will required a substation or mini-sub. What is the main item of equipment contained in these? |
—Transformer
Voltage is sometimes referred to as EMF, or Electromotive…?
—Force
What does AM mean?
—Amplitude modulation
‘.BAT’ extension refers usually to what kind of file?
—System file
What is the term to ask the computer to put information in order numerically or alphabetically?
—Sort
The input used by an antenna or cable to a TV set uses frequencies called…?
—RF
In which decade was the ARRL founded?
—1910s
| ‘CD’ computer abbreviation usually means ? |
—Compact Disc
| ‘.BAK’ extension refers usually to what kind of file? |
—Backup file
Where is the headquarters of Intel located?
—Santa Clara, California
Who co-created the UNIX operating system in 1969 with Dennis Ritchie?
—Ken Thompson
Compact discs, (according to the original CD specifications) hold how many minutes of music?
—74 mins
Once the active medium is excited, the first photons of light are produced by which physical process?
—Spontaneous emission
| ‘DTP’ computer abbreviation usually means ? |
—DeskTop Publishing
The average power (in watts) used by a 20 to 25 inch home color television is…?
—70-100
What does AC and DC stand for in the electrical field?
—Alternating Current and Direct Current
| The NTSC (National Television Standards Committee) is also used in the country of…? |
—Japan
| “FET” is a type of transistor, Its full name is ________ Effect Transistor…? |
—Field
What are three types of lasers?
—Gas, solid state, diode
What will a UPS be used for in a building?
—To provide power to essential equipment
Who built the world’s first binary digit computer: Z1…?
—Konrad Zuse
| ‘.JPG’ extension refers usually to what kind of file? |
—Image file
What does AM mean?
—Amplitude modulation
In what year was the “@” chosen for its use in e-mail addresses?
—1972
| ‘.TXT’ extension refers usually to what kind of file? |
—Text File
What was the first ARPANET message?
—“lo”
In the United States the television broadcast standard is…?
—NTSC
| In a color television set using a picture tube a high voltage is used to accelerate electron beams to light the screen. That voltage is about…? |
—25 thousand volts
| The transformer that develops the high voltage in a home television is commonly called a…? |
—Flyback
Which consists of two plates separated by a dielectric and can store a charge?
—Capacitor
What do we call a collection of two or more computers that are located within a limited distance of each other and that are connected to each other directly or indirectly?
—Local Area Network
Sometimes computers and cache registers in a foodmart are connected to a UPS system. What does UPS mean?
—Uninterruptable Power Supply
Who co-founded Hotmail in 1996 and then sold the company to Microsoft?
—Sabeer Bhatia
| ‘.TMP’ extension refers usually to what kind of file? |
—Temporary file
| In the UK, what type of installation requires a fireman’s switch? |
—Neon Lighting
The electromagnetic coils on the neck of the picture tube or tubes which pull the electron beam from side to side and up and down are called a…?
—Yoke
The sampling rate, (how many samples per second are stored) for a CD is…?
—44.1 kHz
Who created Pretty Good Privacy (PGP)?
—Phil Zimmermann
What do we call a network whose elements may be separated by some distance? It usually involves two or more small networks and dedicated high-speed telephone lines.
—WAN (Wide Area Network)
After the first photons of light are produced, which process is responsible for amplification of the light?
—Stimulated emission
Which is NOT an acceptable method of distributing small power outlets throughout an open plan office area?
—Extension Cords
In which year was MIDI(Musical Instrument Digital Interface) introduced?
—1983
| What does the term PLC stand for? |
—Programmable Logic Controller
| When measuring the characteristics of a small-signal amplifier, say for a radio receiver, one might be concerned with its “Noise…”? |
—Figure