Multiple choice

The machine that is used mainly for transmitting sketches is known as

  1. telefax

  2. telex

  3. tele-autograph

  4. teletex

  5. none of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Telefax is used for transmitting sketches. The chart or diagram is first sketched on paper. This is wrapped around a cylinder in machine and sent. The sender makes contact with the receiver by telephone.