Which of the following statements are true?
1.The primary memory is more economical than the secondary memory
2.The memory capable of storing a high volume of data is referred to as secondary memory
3.Secondary memory is slower than the primary memory
A1, 2 and 3
B2 and 3 ✓ Correct
C1 and 2
D1 and 3
Correct answer: (B) 2 and 3
Explanation
Only Statement 2 and Statement 3 are true, giving the correct grouping.
Statement 1 is false, since primary memory is costlier, not more economical, than secondary memory.
Statement 2 is true, since memory able to store large volumes of data is the secondary memory.
Statement 3 is true, since secondary memory is slower than primary memory.
Primary memory trades higher cost for far greater speed.
Secondary memory offers bulk capacity at a lower cost per bit.
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