A practical approach for anyone looking to enter the IT
workforce
Before candidates can begin to prepare for any kind of
certification, they need a basic understanding of the various
hardware and software components used in a computer network. Aimed
at aspiring IT professionals, this invaluable book strips down a
network to its bare basics, and discusses this complex topic in a
clear and concise manner so that IT beginners can confidently gain
an understanding of fundamental IT concepts. In addition, a base
knowledge has been established so that more advanced topics and
technologies can be learned over time.
* Includes a discussion of the key computer components, such as
the processor and memory
* Covers the basics of data storage as well as the input/output
process
* Zeroes in on basic hardware configuration including how to
install hardware and software drivers
* Introduces various computer operating systems, including the
Windows OS family, Linux, and Mac.
* Looks at basic networking concepts and design
IT Career JumpStart is an ideal starting point for anyone
looking for a career in IT but doesn't know where to start.
Autorentext
Naomi J. Alpern, A+, Network+ MCSE, MCT, currently works for
Microsoft Consulting Services as a Senior Consultant specializing
in Unified Communications and IT architecture and planning.
Joey Alpern currently works as an independent consultant
specializing in web development and database component
integration.
Randy Muller, MCT, MCSE, MCITP, is an independent trainer
and author specializing in Unified Communications, Office 365, and
IT security.
Zusammenfassung
A practical approach for anyone looking to enter the IT workforce
Before candidates can begin to prepare for any kind of certification, they need a basic understanding of the various hardware and software components used in a computer network. Aimed at aspiring IT professionals, this invaluable book strips down a network to its bare basics, and discusses this complex topic in a clear and concise manner so that IT beginners can confidently gain an understanding of fundamental IT concepts. In addition, a base knowledge has been established so that more advanced topics and technologies can be learned over time.
- Includes a discussion of the key computer components, such as the processor and memory
- Covers the basics of data storage as well as the input/output process
- Zeroes in on basic hardware configuration including how to install hardware and software drivers
- Introduces various computer operating systems, including the Windows OS family, Linux, and Mac.
- Looks at basic networking concepts and design
IT Career JumpStart is an ideal starting point for anyone looking for a career in IT but doesn't know where to start.
Inhalt
Introduction xxiii
Chapter 1 The Computer's Brain: Processors and Memory 1
Introduction to Processors 2
Processor Performance. 2
Processor Types: A First Look. 2
Deciphering Processor Terminology. 3
The Intel Processor Lineup. 4
Factors Affecting Performance. 5
History of Intel Chips 6
The Pentium Family. 6
Pentium. 7
Pentium MMX. 7
Pentium Pro. 8
Pentium II (PII). 8
Celeron. 8
Pentium II Xeon 8
Pentium III (PIII). 8
Pentium III Xeon. 9
Itanium/Itanium 2. 9
Pentium 4 9
Tualatin. 9
Core i3 Series 9
Core i5 Series 10
Core i7 Series 10
Stacking Up the Competition. 10
Advanced Micro Devices (AMD). 11
Cyrix 12
PowerPC. 12
Alpha 13
Using Multiprocessor and Multicore Computers 14
Cooling a System 16
Physical Memory 17
Random Access Memory (RAM). 17
RAM Types. 18
SIMMs 18
DIMMs. 18
RAM Speed. 19
Edo Ram. 19
Sdram 19
Ddr Sdram. 19
Ddr2 Sdram. 19
Ddr3 Sdram. 20
Read-Only Memory (ROM) 20
Other ROM Types. 20
Prom. 20
Eprom. 21
Eeprom 21
Bus Architecture. 21
Bus Types. 22
Accelerated Graphics Port (AGP) 22
Enhanced Industry Standard Architecture (EISA). 22
FireWire (IEEE 1394) 23
Hdmi. 23
IBM Micro Channel Architecture (MCA). 23
Ibm Pc. 23
IBM PC-AT, or Industry Standard Architecture (ISA). 23
Peripheral Component Interconnect (PCI). 24
Peripheral Component Interconnect Express (PCIe). 24
Universal Serial Bus (USB). 24
Video Electronics Standards Association (VESA) Local Bus (VL-Bus). 25
Terms to Know. 25
Review Questions. 26
Chapter 2 Storing Your Files: Data Storage 27
Keys to Data Storage. 28
Understanding Hard Drive Basics. 30
Selecting a Hard Drive. 30
Performance with Parallel ATA (PATA). 31
IDE Interface Standards. 33
Advanced Technology Attachment (ATA). 33
Ata-2. 34
Ultra-ATA. 34
Ultra-ATA/66, ATA/100, and Ultra ATA/133. 34
Performance with SATA Drives. 35
SATA revision 1 0. 35
SATA revision 2 0. 35
SATA revision 3 0. 35
eSATA. 36
Performance with SDD Drives 36
Performance with SCSI Drives. 36
SCSI Standards. 37
SCSI-1 and SCSI-2. 38
Scsi-3. 38
Ultra3 SCSI and Ultra320. 38
SCSI Termination. 39
Organizing Disks 39
Understanding Partition Types. 40
Active and Boot Partitions. 40
Primary Partition. 41
Extended Partition. 41
A Primer on Disk Drive Configurations. 41
Volume Set. 43
Disk Stripe Set. 44
Mirrored Set 45
Stripe Set with Parity Drive. 46
Stripe Set with Parity Stripe. 46
Types of Offline Data Storage. 47
Removable Storage Devices. 49
Compact Discs (CDs). 49
CD-Recordable. 50
CD-Rewritable (CD-RW). 50
Digital Video Discs (DVDs). 51
Blu-Ray Discs. 51
Tape Drives 51
Terms to Know. 53
Review Questions. 54
Chapter 3 Data Movement: Input/Output Devices 55
Understanding Ports. 56
Serial Ports. 56
Parallel Ports 57
USB Ports. 58
Thunderbolt. 59
Understanding Monitors. 59
Video Display Adapter Standards 60
Liquid Crystal Display (LCD) 62<...