Posted by **Sue** on Tuesday, March 1, 2011 at 2:23pm.

Hi i'm just stuck on this question. can please someone help me.

Three cortrect ones are:

A) A 9-bit word represents twice as many code words as an 8-bit word.

B) mp4, mpg and bmp are all examples of video file extensions.

C) A data rate of 4 gigabits per second means that 4 × 109 bits are

transmitted in one second.

D) A plain text editor adds metadata that gives information about the text

formatting.

E) On an optical disc, an extended pit will be interpreted as a series of 0s.

F) Magnetic storage devices are resistant to temperatures as high as 40 °

C.

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