62. | What does AM mean? | |||||||
Answer: Option C Explanation: Amplitude modulation was the first type to be used in radio. It works well with HF and morse code. |
63. | ‘.BAT’ extension refers usually to what kind of file? | |||||||
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64. | What is the term to ask the computer to put information in order numerically or alphabetically? | |||||||
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65. | The input used by an antenna or cable to a TV set uses frequencies called…? | |||||||
Answer: Option B Explanation: RF is radio frequency. IF is intermediate frequency used inside the TV for processing. AF is audio frequency. SAP is second audio program which may have another language or other soundtrack as an option to the main soundtrack. |