Question

4. (1) When the first space shuttle roared into space in 1981, the Intel 8086 chip played an important roll. (2) In fact, it operated at the very heart of the diagnostic equipment that made sure the shuttle's booster rockets was safe for blastoff.

What change, if any, should be made in sentence 1?
Change space to Space.
Change important to importent.
Change roll to role.
Make no change.

Answer 1

chnage roll to role

Answer 2

yup.

Answer 3

change*

Answer 4

k thanx