Book Image

Linux Essentials - Second Edition

By : Christine Bresnahan, Richard Blum
Book Image

Linux Essentials - Second Edition

By: Christine Bresnahan, Richard Blum

Overview of this book

Linux Essentials, Second Edition provides a solid foundation of knowledge for anyone considering a career in information technology, for anyone new to the Linux operating system, and for anyone who is preparing to sit for the Linux Essentials Exam. Through this engaging resource, you can access key information in a learning-by-doing style. Hands-on tutorials and end-of-chapter exercises and review questions lead you in both learning and applying new information—information that will help you achieve your goals! With the experience provided in this compelling reference, you can sit down for the Linux Essentials Exam with confidence. An open-source operating system, Linux is a UNIX-based platform that is freely updated by developers. The nature of its development means that Linux is a low-cost and secure alternative to other operating systems, and is used in many different IT environments. Passing the Linux Essentials Exam prepares you to apply your knowledge regarding this operating system within the workforce.
Table of Contents (19 chapters)

Identifying Motherboard Capabilities


If the CPU is the computer’s brain, the motherboard is the rest of the computer’s central nervous system. The motherboard is a large circuit board inside the computer. It’s dominated by a chipset, which is one or more chips that provide key functionality for the computer—they handle the hard disk interfaces, the USB interfaces, the network devices, and so on. Some chipsets include video circuitry for video cards, although this functionality is sometimes separate, and sometimes it’s built into the CPU.

In addition to the chipset, motherboards include plug-in interfaces for key components:

  • One or more slots for the computer’s CPU(s)
  • Slots for random access memory (RAM)
  • Slots for plug-in Peripheral Component Interconnect (PCI) or other cards
  • Connectors for Serial Advanced Technology Attachment (SATA) disks, and sometimes for Parallel ATA (PATA...