CompTIA^® Comptia A+ Certification:  A+ Practical Aplication Exam 

Practice  Questions - DRAM memory types

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Q6.    Which of the following DRAM types is the fastest?

A.    Conventional DRAM

B.    FPM DRAM

C.    EDO DRAM

D.    BEDO DRAM

Correct Answer: D.

 Explanation:

The following are basic types of DRAM:

1.    Conventional DRAM

2.    Fast Page Mode DRAM

3.    Extended Data Out (EDO) DRAM

4.    Burst Extended Data Out (BEDO) DRAM

FPM DRAM typically allows burst system timing of 5-3-3-3 at 66MHz

EDO DRAM typically allows burst system timing of 5-2-2-2 at 66MHz

BEDO DRAM typically allows burst system timing of 5-1-1-1 at 66MHz

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