Science & Technology

26. What Designates where the next action occurs? A.     Decode    B.     Highlight C.     Select    D.     Mother […]

31. In which decade were the first successful diode and triode vacuum tubes invented? A. 1800s B. 1880s C. 1890s

26. What Designates where the next action occurs? A.     Decode    B.     Highlight C.     Select    D.     Mother

16. Which device can be used to store charge? A.     Transistor    B.     Diode C.     Capacitor    D.   

21. In which decade was the transistor invented? A. 1940s B. 1950s C. 1960s D. 1980s Answer & Explanation Answer:

16. Which device can be used to store charge? A.     Transistor    B.     Diode C.     Capacitor    D.   

11. The “desktop” of a computer refers to: A.     The visible screen B.     The area around the monitor

6. How do you subscribe to an Internet mailing list? A. Contact your Internet service provider B. Send e-mail to

1. Blue is what number on the resistor color code? A.     1    B.     4 C.     2    D.

51. Compact discs, (according to the original CD specifications) hold how many minutes of music? A.     74 mins B.

66. Larger buildings may be supplied with a medium voltage electricity supply, and will required a substation or mini-sub. What

51. Compact discs, (according to the original CD specifications) hold how many minutes of music? A.     74 mins B.

51. Compact discs, (according to the original CD specifications) hold how many minutes of music? A.     74 mins B.

61. Voltage is sometimes referred to as EMF, or Electromotive…? A. Field B. Factor C. Flash D. Force Answer &

51. Compact discs, (according to the original CD specifications) hold how many minutes of music? A.     74 mins B.

56. In which decade was the ARRL founded? A. 1940s B. 1930s C. 1920s D. 1910s Answer & Explanation Answer:

51. Compact discs, (according to the original CD specifications) hold how many minutes of music? A.     74 mins B.

46. The NTSC (National Television Standards Committee) is also used in the country of…? A.     Japan    B.     France

46. The NTSC (National Television Standards Committee) is also used in the country of…? A.     Japan    B.     France

41. ‘.JPG’ extension refers usually to what kind of file? A.     System file B.     Animation/movie file C.   

31. Sometimes computers and cache registers in a foodmart are connected to a UPS system. What does UPS mean? A.

36. In the United States the television broadcast standard is…? A. PAL B. NTSC C. SECAM D. RGB Answer &

31. Sometimes computers and cache registers in a foodmart are connected to a UPS system. What does UPS mean? A.

26. The sampling rate, (how many samples per second are stored) for a CD is…? A.     48.4 kHz B.

21. In which year was MIDI(dress) introduced? A.     1987    B.     1983 C.     1973    D.     1977 Answer