Find the correct sequence of the storage device in ascending order based on their access time(slowest to fastest).
(A) Registers
(B) Magnetic Disk
(C) Magnetic Tapes
(D) Main memory
(E) Optical Disk
Choose the correct answer from the options given below:
1.(B), (A), (D), (C), (E)
2.(B), (A), (E), (D), (C)
3.(C), (B), (A), (E), (D)
4.(C), (E), (B), (D), (A) ✓ Correct
Solution
Question: Find the correct sequence of the storage devices in ascending order based on their access time (slowest to fastest).
Given Devices:
- (A) Registers
- (B) Magnetic Disk
- (C) Magnetic Tapes
- (D) Main Memory
- (E) Optical Disk
Access Time Comparison (Approximate):
| Device |
Access Time |
Relative Speed |
| Magnetic Tapes (C) |
~10 seconds |
Slowest |
| Optical Disk (E) |
~100-500 milliseconds |
Slower |
| Magnetic Disk (B) |
~10 milliseconds |
Moderate |
| Main Memory (D) |
~100 nanoseconds |
Fast |
| Registers (A) |
~1 nanosecond |
Fastest |
Correct Ascending Order (Slowest to Fastest):
- C - Magnetic Tapes
- E - Optical Disk
- B - Magnetic Disk
- D - Main Memory
- A - Registers
Correct Answer: Option 4) (C), (E), (B), (D), (A)