Q. In the last few days, I’ve tried to play some video clips on my computer only to receive errors of “COOD109B”and “COOD1197.” I have tried every way I know how, including using Microsoft and Google, ...

Morse code is used in telecommunication; it is a method of transmitting and receiving coded information. Each character (letter or numeral) is coded/represented by a unique sequence of dots and dashes ...