CompTIA® Comptia A+™ Certification 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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