冷启动：
我们很熟悉引导过程是什么，以一种常见的方式。现在，问题是，什么是冷启动?这是计算机从关闭位置打开时所采取的第一步。在第一步中，微处理器被初始化。
热启动：
它与冷启动不同，因为它不是在启动设备的第一阶段完成。它不进行 POST 测试。如果计算机在工作中由于某种原因死机，需要重新启动才能工作。计算机系统复位/重启的过程称为热启动。这是在重置按钮或按键 (Ctrl+Alt+Del) 的帮助下完成的。此测试不测试启动 RAM，因为自检时不执行电源。
冷启动和热启动的区别：
| S.No. | Comparison | Cold Booting | Warm Booting |
|---|---|---|---|
| 1. | Initialized by | Power button. | Reset button or by pressing Ctrl+Alt+Del simultaneously. |
| 2. | Performed | Frequent basis. | Not very common. |
| 3. | Alternate names | Hard Booting, Cold start and dead start. | Soft Booting. |
| 4. | POST (Power On Self Test) | Included. | Not included. |
| 5. | Basic | Turning a computer ON from a powerless state. | Resetting a computer from already in running state. |
| 6. | Consequence | Does not affect the data or other hardware. | Can severely affect the system causing the data loss. |