The first one would be C.
The second one would be A.
The third one would be B.
And the fourth one would be A.
I think that's the right answer.
Explanation:
1). the os basically is what makes your puter run correctly.
2). u can set a time every day for computer updates.
ISDN uses a two-wire telephone line.
Answer:
A flat panel detector’s detector element size determines Spatial resolution.
Answer:
The Columbus laboratory is ESA’s largest single contribution to the International Space Station. It was also the first permanent European research facility in space.
Explanation: that is something I know i don’t know if it will help you with your answer