The first person to invent the monitor was Allen B. DuMont in the year 1920.
Monitor
1949
thalia gray invented computer monitor in 2002
vermilon
1890 I Think
the computer monitor
In new york city
Norman Emerick of Fisher-Price
1930's by Norman
Norman Emerick of Fisher-Price
It is believed that the first baby monitor was made in the 1930's by a man named Norman Emerick of Fisher-Price. The baby monitor was invented after an incident wherein Charles Lindbergh's 20 month old baby was kidnapped. The first baby monitor worked by using radio waves to transmit sound waves from one room to another.
so u can see what you typed on the computer