COMPUTER ARCHITECTURE
MEMORY SYSTEMS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
FALSE
|
|
|
TRUE
|
|
|
Either A or B
|
|
|
None of the above
|
Detailed explanation-1: -In general, storage tends to be slower than RAM. Hard disk drives are mechanical devices, so they can’t access information nearly as quickly as memory does. In most personal computers, storage uses an interface called Serial ATA (SATA), which is slower than RAM.
Detailed explanation-2: -Your computer can access RAM memory much faster than data on a hard disk, SSD, or other long-term storage device, which is why RAM capacity is critical for system performance.
Detailed explanation-3: -The main advantage of a RAM Disk is speed. As shown in the graph, the speed of the RAM disk as compared to a Hard disk is typically up to 50 times faster for sequential reads and writes, and up to 200 times faster for small 4KB-size transfers.
Detailed explanation-4: -Compared to other components of the PC, like the CPU, caches, RAM and solid-state storage, hard disks have low data transfer rates and very high latency. A good hard drive can transfer between 100 MB/sec and 250 MB/sec. The latency to access any given piece of data is typically around 10 ms.