The answer B. a switchboard
Antivirus software, or anti-virus software, also known as anti-malware, is a computer program used to prevent, detect, and remove malware. Antivirus software was originally developed to detect and remove computer viruses, hence the name.
Answer:
NTSC, Timecode
Explanation:
NTSC was used for television broadcasting in the USA, and some other countries. And it archives a video signal that exceptionally deciphers every frame of the tape with the assistance of the time stamp in unit time and frames. We have other options as well, which are PAL and SECAM. However, now and since 2013, these are being converted into the digital. The frame rate of the NTSC in the US was 29.97 fps. And this defines how good video you are going to receive.
And timecode is the signal that is recorded with the video that can quite exclusively figure out each frame of the tape with the help of the time stamp in unit time and frames.
