PC Hardware A Beginner’s Guide

(^500) PC Hardware: A Beginner’s Guide Video Interfaces Video interfaces, which are explained in more detail in Chapter 12, prov ...

single device. The AGP slot (see Figure 19-15)—there is usually only one on a motherboard—is reserved for the graphics card.  I ...

 VESA Local Bus (VL-Bus) VL-bus is a bus architecture developed by VESA (Video Electronics Standards Association) for use with ...

The standard port and connector used for VGA, SVGA, and XGA monitor connec- tions is the DB-15, which is also called a mini-sub ...

SCSI Interface The Small Computer Systems Interface (SCSI),pronounced “skuzzy” (rhymes with fuzzy), is not an interface standard ...

SCSI Standards Here is a brief overview of the various SCSI standards:
SCSI (SCSI-1) This standard is obsolete. It supported u ...

 SCSI-3 This standard is referred to as SCSI today. It includes the SCSI Parallel Interface (SPI), which defines the 68-pin hig ...

Configuring SCSI Devices SCSI devices, such as hard disk drives, CD-ROM drives, scanners, and others, must be configured to be a ...

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CHAPTER 20 Networks and Communications 509 Copyright 2001 The McGraw-Hill Companies, Inc. Click Here for Terms of Use. ...

N early everything surrounding communications involves a network of one kind or another these days. The telephone system, techni ...

Chapter 20: Networks and Communications^511 As you might guess, there are different levels and types of networks. Networks are c ...

a central administrator that manages the permissions and access to the resources of the network. This structure is used for the ...

Network Components The most basic components of any network are servers, workstations (computers), and other network nodes (prin ...

(^514) PC Hardware: A Beginner’s Guide Cabling The part of a network cable that carries data is normally one of two materials: c ...

Coaxial (coax) cable Coax cable is similar to the cable used to connect a television set to the cable outlet. There are two ty ...

 Fiber optic Glass fibers carry modulated pulses of light to represent digital data signals. Light travels through a fiber opti ...

Ethernet Cable Designations In the Ethernet world, cable media is designated with a code that is descriptive of the cable’s char ...

Twisted Pair Wire Unshielded twisted pair (UTP) or 10BaseT cabling, shown in Figure 20-4, is the cable type most commonly used o ...

more) extremely thin strands of glass. Glass cladding covers each strand, helping to keep the light in the strand. Light is carr ...