GENERAL KNOWLEDGE

GK

TECHNOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The input used by an antenna or cable to a TV set uses frequencies called____?
A
AF
B
IF
C
RF
D
SAP
Explanation: 

Detailed explanation-1: -Antenna Frequency is defined as the number of cycles of a wave per second. The unit of measurement for frequency is Hertz (Hz), 1 Hz is equal to one cycle (oscillation) per second. In the picture below the wave is oscillating 3 times per second, so the frequency would be 3Hz.

Detailed explanation-2: -(Radio Frequency out) Refers to coaxial sockets on the back of set-top boxes, VCRs and DVDs that output analog video signals for older TVs that do not have composite video or component video inputs.

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