Sagot :
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1.) Which of the following is billionth of a second?
(A) Microsecond
- (B) Nanosecond
(C) Terabyte
(D) Gigabyte
2.) The two kinds of main memory are
(A) CDs and DVDs
- (B) RAM and ROM
(C) Primary and secondary
(D) Direct and sequential
Explanation:
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