What are three important considerations when installing a CPU on a motherboard? (Choose three.)
Antistatic precautions are taken.
Maximum insertion force is applied to the load lever so the CPU is locked in place.
The CPU heat sink and fan assembly are correctly installed.
The CMOS EPROM battery is removed prior to installing the CPU.
The CPU is correctly aligned and placed in the socket.
The CPU contacts are first cleaned with isopropyl alcohol.

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When installing a CPU on a motherboard, it's crucial to handle the components carefully and follow best practices to ensure proper installation and functionality. Here are three important considerations:

1. **Antistatic Precautions Are Taken**  
   **Explanation:** Static electricity can damage sensitive components like the CPU and motherboard. Always use antistatic wrist straps, work on an antistatic mat, and avoid working on carpets or other static-prone surfaces to prevent electrostatic discharge (ESD).

2. **The CPU Is Correctly Aligned and Placed in the Socket**  
   **Explanation:** Proper alignment is essential to ensure that all the CPU’s pins or contacts fit perfectly into the motherboard socket. Most CPUs and sockets have alignment markers (like a small triangle) to guide correct placement. Forcing the CPU into the socket can bend pins or damage the motherboard.

3. **The CPU Heat Sink and Fan Assembly Are Correctly Installed**  
   **Explanation:** After installing the CPU, attaching the heat sink and fan is vital for effective cooling. Ensure that thermal paste is applied appropriately and that the heat sink is securely fastened to maintain good thermal contact with the CPU. Proper cooling prevents overheating, which can lead to system instability or hardware failure.

**Incorrect Considerations:**

- **Maximum Insertion Force:** Applying excessive force can damage the CPU or motherboard. The CPU should fit into the socket with gentle pressure once properly aligned.
  
- **Removing the CMOS EPROM Battery:** This is generally unnecessary for CPU installation and won’t impact the process.
  
- **Cleaning CPU Contacts with Isopropyl Alcohol:** CPU contacts are typically already clean from manufacturing. Using isopropyl alcohol can be risky as it might leave residues or cause damage if not done correctly.

By focusing on these essential considerations, you can ensure a safe and effective CPU installation.

**Selected Considerations:**
- Antistatic precautions are taken.
- The CPU heat sink and fan assembly are correctly installed.
- The CPU is correctly aligned and placed in the socket.
When installing a CPU, it's important to: 1. **Use Antistatic Precautions** to protect sensitive components. 2. **Align the CPU Correctly** in the socket to prevent damage. 3. **Install the Heat Sink and Fan Properly** for effective cooling. These steps ensure a safe and successful CPU installation.

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