

MCQOPTIONS
This section includes 186 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
1. |
What is part of a database that holds only one type of information? |
A. | Report |
B. | Field |
C. | Record |
D. | File |
Answer» C. Record | |
2. |
'.BAT' extension refers usually to what kind of file? |
A. | Compressed Archive file |
B. | System file |
C. | Audio file |
D. | Backup file |
Answer» C. Audio file | |
3. |
Voltage is sometimes referred to as EMF, or Electromotive...? |
A. | Field |
B. | Factor |
C. | Flash |
D. | Force |
Answer» E. | |
4. |
In which decade was the ARRL founded? |
A. | 1940s |
B. | 1930s |
C. | 1920s |
D. | 1910s |
Answer» E. | |
5. |
'CD' computer abbreviation usually means ? |
A. | Command Description |
B. | Change Data |
C. | Copy Density |
D. | Compact Disc |
Answer» E. | |
6. |
'.BAK' extension refers usually to what kind of file? |
A. | Backup file |
B. | Audio file |
C. | Animation/movie file |
D. | MS Encarta document |
Answer» B. Audio file | |
7. |
Where is the headquarters of Intel located? |
A. | Redmond, Washington |
B. | Tucson, Arizona |
C. | Santa Clara, California |
D. | Richmond, Virginia |
Answer» D. Richmond, Virginia | |
8. |
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 |
Answer» B. 56 mins | |
9. |
Once the active medium is excited, the first photons of light are produced by which physical process? |
A. | Blackbody radiation |
B. | Spontaneous emission |
C. | Synchrotron radiation |
D. | Planck s oscillation |
Answer» C. Synchrotron radiation | |
10. |
'DTP' computer abbreviation usually means ? |
A. | Digital Transmission Protocol |
B. | DeskTop Publishing |
C. | Data Type Programming |
D. | Document Type Processing |
Answer» C. Data Type Programming | |
11. |
The average power (in watts) used by a 20 to 25 inch home color television is...? |
A. | 70-100 |
B. | 25-50 |
C. | 500-800 |
D. | Over 1000 |
Answer» B. 25-50 | |
12. |
What does AC and DC stand for in the electrical field? |
A. | Alternating Current and Direct Current |
B. | A Rock Band from Australia |
C. | Average Current and Discharged Capacitor |
D. | Atlantic City and District of Columbia |
Answer» B. A Rock Band from Australia | |
13. |
"FET" is a type of transistor, Its full name is ________ Effect Transistor...? |
A. | Field |
B. | Factor |
C. | Flash |
D. | Force |
Answer» B. Factor | |
14. |
What are three types of lasers? |
A. | Gas, metal vapor, rock |
B. | Pointer, diode, CD |
C. | Diode, inverted, pointer |
D. | Gas, solid state, diode |
Answer» E. | |
15. |
The NTSC (National Television Standards Committee) is also used in the country of...? |
A. | Japan |
B. | France |
C. | Germany |
D. | England |
Answer» B. France | |
16. |
'.JPG' extension refers usually to what kind of file? |
A. | System file |
B. | Animation/movie file |
C. | MS Encarta document |
D. | Image file |
Answer» E. | |
17. |
What does AM mean? |
A. | Angelo marconi |
B. | Anno median |
C. | Amplitude modulation |
D. | Amperes |
Answer» D. Amperes | |
18. |
In what year was the "@" chosen for its use in e-mail addresses? |
A. | 1976 |
B. | 1972 |
C. | 1980 |
D. | 1984 |
Answer» C. 1980 | |
19. |
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 |
Answer» B. To monitor building electricity use | |
20. |
'.TXT' extension refers usually to what kind of file? |
A. | Text File |
B. | Image file |
C. | Audio file |
D. | Adobe Acrobat file |
Answer» B. Image file | |
21. |
What was the first ARPANET message? |
A. | "lo" |
B. | "hello world" |
C. | "mary had a little lamb" |
D. | "cyberspace, the final frontier" |
Answer» B. "hello world" | |
22. |
In the United States the television broadcast standard is...? |
A. | PAL |
B. | NTSC |
C. | SECAM |
D. | RGB |
Answer» C. SECAM | |
23. |
Which consists of two plates separated by a dielectric and can store a charge? |
A. | Inductor |
B. | Capacitor |
C. | Transistor |
D. | Relay |
Answer» C. Transistor | |
24. |
In which year was MIDI(Musical Instrument Digital Interface) introduced? |
A. | 1987 |
B. | 1983 |
C. | 1973 |
D. | 1977 |
Answer» C. 1973 | |
25. |
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 |
Answer» D. 100 thousand volts | |
26. |
The transformer that develops the high voltage in a home television is commonly called a...? |
A. | Tesla coil |
B. | Flyback |
C. | Yoke |
D. | Van de Graaf |
Answer» C. Yoke | |
27. |
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 |
Answer» D. Wide Area Network | |
28. |
In which decade was the SPICE simulator introduced? |
A. | 1950s |
B. | 1960s |
C. | 1970s |
D. | 1980s |
Answer» D. 1980s | |
29. |
Most modern TV's draw power even if turned off. The circuit the power is used in does what function? |
A. | Sound |
B. | Remote control |
C. | Color balance |
D. | High voltage |
Answer» C. Color balance | |
30. |
Which is a type of Electrically-Erasable Programmable Read-Only Memory? |
A. | Flash |
B. | Flange |
C. | Fury |
D. | FRAM |
Answer» B. Flange | |
31. |
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 |
Answer» E. | |
32. |
Who is largely responsible for breaking the German Enigma codes, created a test that provided a foundation for artificial intelligence? |
A. | Alan Turing |
B. | Jeff Bezos |
C. | George Boole |
D. | Charles Babbage |
Answer» B. Jeff Bezos | |
33. |
Who developed Yahoo? |
A. | Dennis Ritchie & Ken Thompson |
B. | David Filo & Jerry Yang |
C. | Vint Cerf & Robert Kahn |
D. | Steve Case & Jeff Bezos |
Answer» C. Vint Cerf & Robert Kahn | |
34. |
Made from a variety of materials, such as carbon, which inhibits the flow of current...? |
A. | Choke |
B. | Inductor |
C. | Resistor |
D. | Capacitor |
Answer» D. Capacitor | |
35. |
What frequency range is the High Frequency band? |
A. | 100 kHz |
B. | 1 GHz |
C. | 30 to 300 MHz |
D. | 3 to 30 MHz |
Answer» E. | |
36. |
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 |
Answer» B. Exciting | |
37. |
What is the relationship between resistivity r and conductivity s? |
A. | R = s2 |
B. | R = s |
C. | R > s |
D. | R = 1/s |
Answer» E. | |
38. |
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 |
Answer» C. Planck's radiation | |
39. |
What does the term PLC stand for? |
A. | Programmable Lift Computer |
B. | Program List Control |
C. | Programmable Logic Controller |
D. | Piezo Lamp Connector |
Answer» D. Piezo Lamp Connector | |
40. |
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 |
Answer» D. Synchronous motor | |
41. |
A given signal's second harmonic is twice the given signal's __________ frequency...? |
A. | Fourier |
B. | Foundation |
C. | Fundamental |
D. | Field |
Answer» D. Field | |
42. |
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 |
Answer» D. 48 kHz | |
43. |
Who created Pretty Good Privacy (PGP)? |
A. | Phil Zimmermann |
B. | Tim Berners-Lee |
C. | Marc Andreessen |
D. | Ken Thompson |
Answer» B. Tim Berners-Lee | |
44. |
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 (Universal Resource Locator) |
B. | LAN (Local Area Network) |
C. | WAN (Wide Area Network) |
D. | World Wide Web |
Answer» D. World Wide Web | |
45. |
'DB' computer abbreviation usually means ? |
A. | Database |
B. | Double Byte |
C. | Data Block |
D. | Driver Boot |
Answer» B. Double Byte | |
46. |
'.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 |
Answer» C. Hypertext related file | |
47. |
'.MPG' extension refers usually to what kind of file? |
A. | WordPerfect Document file |
B. | MS Office document |
C. | Animation/movie file |
D. | Image file |
Answer» D. Image file | |
48. |
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 |
Answer» B. Very high speed | |
49. |
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 |
Answer» E. | |
50. |
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 |
Answer» E. | |