Chapter 3

Chapter 3

1. Computer cases are produced in a variety of form factors.

2. The CPU is secured to the socket on the motherboard with a locking assembly.

   • Thermal compound helps to conduct heat away from the CPU. When you are installing a used CPU, clean the top of the CPU and the base of the heat sink with isopropyl alcohol and a lint free cloth.

3. RAM may be installed in the motherboard before the motherboard is secured in the computer case

   • RAM provides fast, temporary data storage for the CPU while the computer is operating.

4. Plastic and metal standoffs are used to mount the motherboard and to prevent it from touching the metal portions of the case.

5. Drives that are installed in internal bays are called internal drives.

6. Optical drives write information to and read information from removable media, such as CDs, DVDs, and Blu-rays.

   • Optical drives are installed in drive bays that are accessed from the front of the case. The external bays allow access to the media without opening the case.
     • A Molex or SATA power connector provides the optical drive with power from the power supply. A PATA or SATA data cable connects the optical drive to the motherboard.