Index_R

R

RADIUS (Remote Authentication Dial-In Service), 569–570

RAID (Redundant Array of Independent Disks), 152–153, 538–539, 853

RAM (random access memory)

amount installed, 27

described, 4, 116, 848

speed and size, 440–441

Rambus memory, 116, 444

RAMDAC (RAM Digital-Analog Converter), 445, 853

Raster graphics, 498

RD command, 326, 342, 630

Read-only files, 627

Real mode, 426, 652

RECOVER command, 324

Recovery Console, 333, 723–724, 814–815

Recycle Bin, 664

Refresh rates, monitors, 182, 492–495, 501

REGEDIT command, 654–656, 691–692, 733

REGEDIT32.EXE, 691–692, 733

Registering for exams, 385–386

Registration code numbers, 26–27

Registry

backups for, 269–271

editing, 52

keys, 271–273

Regedit.exe, registry editor, 271–273

registry cleaners, 256

repairs, 271–273

restoring after editing errors, 273

subkeys, 271–272

Windows 2000, 733

Windows 9x, 654–656

Windows NT, 691–692

Remote Assistance, 265, 813–814

Remote Desktop, 265, 812–813

Remote Installation Services, 802–803

Remote tab of System applet, 27–28

Removable storage, 154–155, 539–542

REN or RENAME command, 325, 341, 630

Repeater, network, 589, 604

REPLACE command, 325–326

Reserved memory, 453–454

Reset buttons, 97

Resistance, electrical, 401

Resolution

CRTs, 492, 493, 500

ink-jet printers, 505

laser printers, 505

Resources

Close Program and, 48–49

reserved resources listed, 45–46

Resource Meter, 656, 764

Task Manager for, 48–50

Restoration of System State, 282–283

RESTORE command, 655

Restore points, 281, 765–767, 808–809

RET (Resolution Enhancement Technology), 507

RF (Radio Frequency) wireless connectivity, 567

Ribbon cables on hard drives, 141–143

RIMM (Rambus In-line Memory Module)

described, 447, 449–450

installing, 450

riser cards, 411

Ring network topology, 582, 590

RIP (Raster Image Processor), 506–507

RIP (Routing Information Protocol), 594

RIS (Remote Installation Service)[TAB], 720

Riser cards, 411–412

RJ-11 connectors, 413–414, 564

RJ-45 (Ethernet), 94, 195, 413–414, 564

RMDIR command, 326, 342

Roaming profiles, 735, 816

Rollback Driver button, 36

ROM (Read-Only Memory)

BIOS, 406, 441, 453–454

defined, 853

flash, 407

media, cleaning, 403

Root directory, 520, 633

Round cables on hard drives, 144

Routers, 594

RS-232 cable, 553–554

RTC (Real-Time Clock), 242, 465

RTS/CTS (Request To Send/Clear To Send) modem flow control, 477