Text-1 Read the text. Then choose the correct answer for questions 1-2

65. According to the passage the author mainly informs us about...
A) events leading up to the exposure of the Soviets Magnificent Five British spies.
B) the success of computers in code-breaking.
C) the success of Colossus in breaking the Soviet Union's code systems.
D) the deception the Allies practiced on Hitler regarding the date of D-Day.


66. We understand from the passage that Colossus...
A) though it was designed as a code-breaker, was also of great assistance when tactics were being planned.
B) which was built in 1943, was a disappointment to the mathematicians who designed it.
C) was extremely efficient in spite of being clumsy and complicated to look at.
D) an early computer, managed to deceive Hitler concerning the dates of D-Day.