History Grade 4

When was colour television introduced in America?

• 1936

• 1953

• 1976

• 1967

When did the first television service start in London?

• 1953

• 1976

• 1936

• 1967

When was colour television introduced in South Africa ?

• 1976

• 1953

• 1936

• 1967

Ray Tomlinson created the World Wide Web

• True

• False

Answer explanation

Berners-Lee Started the World wide web in 1989

The radio was invented by ?

• Alexander Graham Bell

• Samuel Morse

• Christopher Sholes

• Guglielmo Marconi

The telephone was inveted by Alexander Graham Bell

• True

• False

The loudspeaker turns_____ into the sound of your voice

Signals travel through _____.

What is this encode text called?

• Moose code

• Morris code

• Morse code

• Mars code

Who invented a system called QWERTY?

• Christopher Shoes

• Christopher Nole

• Christopher Sholes

• Christopher Qwerty