Why is the printing press such an important invention?

Who invented the printing press?

Who invented the telegraph?

Who invented the telephone?

Who sent the first radio transmission over a long distance?

Who sent the first sound message over the radio waves?

Who invented the television?

How is a telegraph message sent?

How is a cell phone message send differently than a regular telephone message?

Label the parts of the radio:

Label the parts of the television:

How is a digital signal different from an analog signal?

How does the TV produce a visual image on the screen?

What does fax mean?

How is a fax similar to a telephone?

What is the -brain- of the computer?

Tuners are needed for

The remote adding memory of a computer is the

Fiber Optics are used to trasmsit these types of signals

Which of these devices are only input devices on a computer

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