Technology MCQ questions. Computer Tech related Question answer Objective MCQs with Answers pdf for all Competitive Exams like SSC, Railway, BANK, UPSC, NTPC, CHSL, MP Police, IBPS etc.
Technology MCQ Questions
1. In which decade was the American Institute of Electrical Engineers (AIEE) founded?
a) 1850s
b) 1880s
c) 1930s
d) 1950s
Ans. b
2. In Which decade with the first transatlantic radio broadcast occur?
a) 1850s
b) 1880s
c) 1930s
d) 1900s
Ans. d
3. ‘.MOV’ extension refers usually to what kind of file?
a) Image file
b) Animation/movie file
c) Audio file
d) MS office document
Ans. b
4. In which decade was the SPICE simulator introduced?
a) 1950s
b) 1960s
c) 1972s
d) 1980s
Ans. c
5. Most modern TV’s draw power even if turned off. The power is used in does what function?
a) Sound
b) Remote Control
c) Color balance
d) High voltage
Ans. b
6. Which is a type of Electrically-Erasable Programmable Read-Only Memory?
a) Flash
b) Flange
c) Fury
d) FRAM
Ans. a
7. The purpose of Choke in Tube light is ?
a) To decrease the current
b) To increase the current
c) To decrease the voltage momentarily
d) To increase the voltage momentarily
Ans. d
8. ‘.MPG’ extension refers usually to what kind of file?
a) Word Perfect Document file
b) MS Office document
c) Animation/movie file
d) Image file
Ans. c
9. Who is largely responsible for breaking the German Enigma codes, created a test that provided a foundation for artificial intelligence?
a) Anan Turing
b) Jeff Bezos
c) George Boole
d) Charles Babbage
Ans. a
10. Made from a variety of materials, such as carbon, which inhibits the flow of current ..?
a) Choke
b) Inductor
c) Resistor
d) Capacitor
Ans. c
11. The most common format for a home video recorder is VHS. VHS stands for …..?
a) Video Home system
b) Very High speed
c) Video Horizontal standard
d) Voltage house standard
Ans. a
12. What does VVVF stand for ?
a) Variant Voltage Vile Frequency
b) Variable Velocity Variable Fun
c) Very Very Vicious Frequency
d) Variable Voltage Variable Frequency
Ans. d
13. What frequency range is the High Frequency band?
a) 100 kHz
b) 1 GHz
c) 30 to 300 MHz
d) 3 to 30 MHz
Ans. d
14. The first step to getting output from a laser is to excite an active medium. What is this process called?
a) Pumping
b) Exciting
c) Priming
d) Raising
Ans. a
15. What is the relationship between resistivity r and conductivity s?
a) R = s2
b) R = s
c) R > s
d) R = 1/s
Ans. d
16. Which motor is NOT suitable for use as a DC machine?
a) Permanent magnet motor
b) Series motor
c) Squirrel cage motor
d) Synchronous motor
Ans. c
17. A given signal’s second harmonic is twice the given signal’s _____ frequency?
a) Fourier
b) Foundation
c) Fundamental
d) Field
Ans. c
18. In which year was MIDI introduced?
a) 1987
b) 1983
c) 1973
d) 1977
Ans. b
19. What does the term PLC stand for ?
a) Programmable Lift Computer
b) Program List control
c) Programmable Logic Controller
d) Piezo Lamp Connector
Ans. c
20. When measuring the characteristics of a small-signal amplifier, say for a radio receiver, one might be concerned with its “Noise…”?
a) Fundamental
b) Fall
c) Force
d) Figure
Ans. d
21. ‘.INI’ extension refers usually to what kind of file?
a) Image file
b) System file
c) Hypertext related file
d) Image Color Matching Profile file
Ans. b
22. The sampling rate, (how many samples per second are stored) for a CD is …?
a) 48.4 kHz
b) 22,050 Hz
c) 44.1 kHz
d) 48 kHz
Ans. c
23. Who created Pretty Good Privacy (PGP)?
a) Phil Zimmermann
b) Tim Berners-Lee
c) Marc Andreessen
d) Ken Thompson
Ans. a
24. 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.
a) URL
b) LAN ( Local Area Network)
c) WAN (Wide Area Network)
d) World Wide Web
Ans. c
25. After the first photons of light are produced, which process is responsible for amplification of the light?
a) Blackbody radiation
b) Stimulated emission
c) Planck’s radiation
d) Einstein oscillation
Ans. b
26. ‘.TMP’ extension refers usually to what kind of file?
a) Compressed Archive file
b) Image file
c) Temporary file
d) Audio file
Ans. c
27. In the UK, what type of installation requires a fireman’s switch?
a) Neon Lighting
b) High Pressure Sodium Lighting
c) Water Features
d) Hotel Rooms
Ans. b
28. In the United States the television broadcast standard is?
a) PAL
b) NTSC
c) SECAM
d) RGB
Ans. c
29. 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?
a) 500 volts
b) 5 thousand volts
c) 25 thousand volts
d) 100 thousand volts
Ans. b
30. The transformer that develops the high voltage in a home television is commonly called as?
a) Tesla coil
b) Flyback
c) Yoke
d) Van de Graaf
Ans. b
31. Which consists of two plates separated by a dielectric and can store a charge?
a) Inductor
b) Capacitor
c) Transistor
d) Relay
Ans. b
32. 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?
a) Inernet
b) Interanet
c) Local Area network
d) Wide Area network
Ans. c
33. What does AM mean?
a) Angelo merconi
b) Anno median
c) Amplitude modulation
d) Ampres
Ans. c
34. The NTSC (National Television Standards Committee) is also used in the country of ….?
a) Japan
b) France
c) Germany
d) England
Ans. a
35. “FET” is a type of transistor, its full name is ____ Effect Transistor?
a) Field
b) Factor
c) Flash
d) Force
Ans. a
36. What are three types of lasers?
a) Gas, metal vapor, rock
b) Pointer, diode, CD
c) Diode, inverted, pointer
d) Gas, Solid state, diode
Ans. d
37. What will a UPS be used for in a building?
a) To provide power to essential equipment
b) To monitor building electricity use
c) To carry messages between departments
d) To control lighting and power systems
Ans. a
38. Who built the world’s first binary digit computer: Z1?
a) Konrad Zuse
b) Ken Thompson
c) Alan Turing
d) George Boole
Ans. a
39. Compact discs, (according to the original CD specifications ) hold how many minutes of music?
a) 74 mins
b) 56 mins
c) 60 mins
d) 90 mins
Ans. a
40. ‘DTP’ computer abbreviation usually means?
a) Digital Transmission Protocol
b) DeskTop Publishing
c) Data Type Programming
d) Document Type Processing
Ans. b