

Understanding DDR RAM
Interactive Video
•
Computers
•
9th - 10th Grade
•
Practice Problem
•
Hard
Jennifer Brown
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does DDR stand for in the context of RAM technology?
Direct Data Rate
Dual Data Rate
Double Data Rate
Dynamic Data Rate
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does DDR RAM achieve faster data transfer compared to single data rate RAM?
By increasing the voltage
By using a larger memory size
By sending data on both rising and falling edges of the clock cycle
By using a single clock signal
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process called that allows DDR2 to send more bits at one time to the external memory bus?
Overclocking
Buffering
Prefetching
Caching
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What unique feature does DDR4 have that contributes to its higher speed compared to DDR3?
Larger memory size
Single clock signal
Bank groups for simultaneous prefetches
Increased voltage
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are newer versions of DDR not backward compatible with older versions?
Increased power consumption
Higher cost
Different electrical and signaling requirements
Different physical size
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