磁带和磁盘是磁存储器的类型。两者都称为非易失性存储,用于存储数据。
磁带包含用于存储数据的薄塑料带。它是一种顺序存取存储器。所以数据读取/写入速度较慢。它主要用于数据备份。
磁盘包含由金属或塑料制成的圆盘。磁盘的两侧通常用于存储数据。磁盘涂有磁性氧化物。磁盘被划分为多个同心圆,称为磁道,磁道被划分为存储数据的扇区。
让我们看看磁带和磁盘之间的区别:
S.NO | Magnetic Tape | Magnetic Disk |
---|---|---|
1. | The cost of magnetic tape is less. | The cost of magnetic disk is high. |
2. | Reliability of magnetic tape is less. | Reliability of magnetic disk is more. |
3. | Access time for magnetic tape is more. | Access time for magnetic disk is less. |
4. | Data transfer rate for magnetic tape is comparatively less. | Data transfer rate for magnetic disk is more. |
5. | Magnetic tape is used for backups. | Magnetic disk is used as a secondary storage. |
6. | In magnetic tape data accessing rate is slow. | In magnetic disk data accessing rate is high or fast. |
7. | In magnetic tape data can’t be updated after fed-up of data. | In magnetic disk data can be updated. |
8. | Magnetic tape is more portable. | Magnetic disk is less portable. |
9. | Magnetic tape contains reels of tape which is in form of strip of plastic. | Magnetic disk contains round platters which is made up of plastic or metal. |
10. | In magnetic tape for data recording, magnetic material is coated on only one side of the tape. | While in magnetic disk for data recording, magnetic material is coated on only both side of the platters. |