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Note that this definition describes a computer as having many distinct parts that work together. Most PCs today are modular. That is, they have components that can be removed and replaced with another component of the same function but with different specifications in order to improve performance. Each component has a specific function.  \nMuch of the computing industry today is focused on smaller devices, such as laptops, tablets, and smartphones. Smaller devices such as these require the same components as do their bigger desktop-sized cousins. Of course, the components are smaller and many times integrated into the same circuit board. The functionality of the individual parts is still critical, though, so what you learn here will serve you well regardless of the type of device you’re working on.  \nUnless specifically mentioned otherwise, the terms PC and computer are used interchangeably throughout this book.  \nEven though all parts inside a computer case are important, some are more important than others. You’ll sometimes hear people refer to the “big three” computer parts, which are the motherboard, processor, and memory. Without these, a computer won’t work, whereas if a sound card fails, it’s probably not going to make the entire system inoperable. In this chapter, you will learn how to identify, install, and configure the big three, which are critical to computer functionality. You’ll also learn about cooling systems, because too much heat will cause components to melt, which could make for a very bad day for the computer user.  \nUnderstanding Motherboards  \nThe spine of the computer is the motherboard, otherwise known as the system board or mainboard. This is the printed circuit board (PCB), which is a conductive series of pathways laminated to a nonconductive substrate that lines the bottom of the computer and is often of a uniform color, such as green, brown, blue, black, or red. It is the most important component in the computer because it connects all the other components together. Figure 1.1 shows a typical PC system board, as seen from above. All other components are  \n6 Chapter 1 ■ Motherboards, Processors, and Memory  \nattached to this circuit board. On the system board, you will find the central processing unit (CPU) slot or integrated CPU, underlying circuitry, expansion slots, video components, random access memory (RAM) slots, and a variety of other chips. We will be discussing each of these components throughout this book.  \nFIGURE 1.1 A typical system board  \nSystem Board Form Factors  \nSystem boards are classified by their form factor (design), such as ATX, micro ATX, and ITX. ","cbCaigU0gofiY2hZ","https://ap.wps.com/l/cbCaigU0gofiY2hZ","pdf",7398810,74,"English","# Chapter: Motherboards, Processors, and Memory\n## Objectives coverage (RAM, motherboards, CPUs, add-on cards)\n## Understanding motherboards\n## System board form factors (ATX, micro ATX, ITX)\n## Cooling and CPU considerations","[{\"question\":\"What are the “big three” computer parts mentioned in this chapter?\",\"answer\":\"The motherboard, processor, and memory are identified as the big three. Without these, a computer won’t work.\"},{\"question\":\"Which RAM-related topics are covered under the chapter objectives?\",\"answer\":\"The chapter covers installing RAM types and includes RAM types such as SODIMM and DDR2/DDR3/DDR4, as well as single-, dual-, and triple-channel configurations plus parity vs. non-parity.\"},{\"question\":\"How does the chapter describe ATX motherboard advantages?\",\"answer\":\"ATX places processor and memory slots inline with the power supply fan output, helping the processor run cooler. It also allows full-length expansion cards because the components are not aligned with the expansion cards.\"}]","220-1001 - Chapter - Motherboards, Processors, and Memory | PDF",1789892300,186]