Questions 21-24
Use NO MORE THAN THREE WORDS from the passage to answer the following questions.
21. What device laid the foundations for large-scale electronic communications?
22. Who chose the message“What hath God wrought”?
23. How long was the experimental telegraph line constructed from Washington to Baltimore?
24. When did Teleprinter machines come into use?
Question 25
From the list below choose the most suitable title for Reading Passage . Write the appropriate letter (A---D) in box 25 on your answer sheet.
A. Morse Code
B. Samuel Morse---Inventor of the Telegraph C. The History of the Telegraph and Telegraphy D. Magic Machine