Information technology: an introduction for today's digital world
Saved in:
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Boca Raton [u.a.]
Taylor & Francis
2013
|
| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Item Description: | Includes bibliographical references and index |
| Physical Description: | XXI, 542 S. |
| ISBN: | 9781466568280 |
Staff View
MARC
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Record in the Search Index
| _version_ | 1804150209785102336 |
|---|---|
| adam_text | Contents
Preface,
xv
How to Use This Textbook,
xvii
Acknowledgments and Contributions,
xix
Author,
xxi
Chapter
1 ■
Introduction to Information Technology
WHAT IS INFORMATION TECHNOLOGY?
1
WHO STUDIES IT?
5
IT INFRASTRUCTURE
9
Computers
9
Software
14
Users
15
Our View Today
16
FURTHER READING
17
REVIEW TERMS
18
Chapter
2 ■
Computer Organization and Hardware
21
STRUCTURE OF A COMPUTER
22
A PROGRAM
25
EXECUTING THE PROGRAM
27
ROLE OF CPU
31
ROLE OF MEMORY
34
ROLE OF INPUT AND OUTPUT
37
COMPUTER HARDWARE AND COMPUTER ASSEMBLY (INSTALLATION)
41
CPU
41
Memory
42
System Unit
42
vii
viii
■ Contents
Motherboard ■
Hard Disk Drive
13
FURTHER READING
Г)|
REVIEW TERMS ^ ;
r>7
Chapter
3 ■
Binary Numbering System
_ _
NUMBERING SYSTEMS
™
BINARY NUMBERING SYSTEM
>
NEGATIVE NUMBERS AND FRACTIONS i>7
CHARACTER REPRESENTATIONS
71
BINARY OPERATIONS
74
EXAMPLES OF USING BINARY NUMBERS
»0
Network Addresses and Netmasks HO
Image Files K2
Error Detection and Correction
84
FURTHER READING
87
REVIEW TERMS
88
Chapter
4 ■
Introduction to Operating System Concepts
93
WHAT IS AN OPERATING SYSTEM?
94
SOME USEFUL TERMS
94
Hardware
94
Software
94
Computer System
95
Kernel
95
Device Drivers
95
Shell 96
Utility Programs
96
OS TASKS 96
User Interface g-j
Process Management
9g
Scheduling on
Memory Management iqq
Resource Management ,q2
File System Management ,Q4
Protection and Security
,
n
,
1U4
Contents ■ ix
FORMS OF PROCESS
MANAGEMENT 105
BOOTING AND SYSTEM INITIALIZATION
113
ADMINISTRATOR ACCOUNT
114
INSTALLING AN OS
115
Installing Windows
116
Installing Linux
117
FURTHER READING
118
REVIEW TERMS
120
Chapter
5 ·
Files, Directories, and the File System
125
FILES AND DIRECTORIES
125
FILE SYSTEMS
AND DISKS
131
LINUX FILE SYSTEM
136
Linux File Space
136
Linux Partitions
141
Linux Inodes
142
WINDOWS FILE SYSTEM
145
MOVING AROUND THE FILE SYSTEM
146
Linux
146
DOS
149
FILE SYSTEM AND SYSTEM ADMINISTRATION TASKS
151
FURTHER READING
151
REVIEW TERMS
152
Chapter
6 ■
Users, Croups, and Permissions
157
USERS
157
SETTING UP USER ACCOUNTS
159
Linux
159
Windows
166
ROLE OF A GROUP
168
PERMISSIONS
170
Linux
171
Windows
174
MISCELLANEOUS USER ACCOUNT TOPICS
176
FURTHER READING
178
REVIEW TERMS
178
χ
■ Contents
Chapter
7 ■
History of Computers
EVOLUTION OF COMPUTER HARDWARE I
»4
Before the Generations
Ή
5
First Generation
1У()
Second and Third Generations
^З
Fourth Generation
1%
EVOLUTION OF COMPUTER SOFTWARE
200
EVOLUTION OF THE COMPUTER USER
207
IMPACT ON SOCIETY
20 )
FURTHER READING
J
10
REVIEW TERMS
211
Chapters
.
Operating Systems History
215
BEFORE LINUX AND WINDOWS
2
If)
A HISTORY OF UNIX
218
A HISTORY OF LINUX
220
DIFFERENCES AND DISTRIBUTIONS
222
OPEN SOURCE MOVEMENT
225
A HISTORY OF WINDOWS
226
FURTHER READING
229
REVIEW TERMS
2 50
Chapter
9 .
Bash Shell and Editing
233
SHELLS
234
BASH SHELL EDITING FEATURES
235
EXPLORING THE BASH INTERPRETER
241
PERSONALIZING YOUR BASH SHELL 2.51
TEXT EDITORS 2S5
The
vi
Editor
_,...
The Emacs Editor
¿DO
FURTHER READING
263
REVIEW TERMS
264
Chapter
10 ■
Regular Expressions
269
METACHARACTERS ~~
----------------------------
~
270
BASH AND WILDCARDS
Contents ■ xi
THE
GREP PROGRAM
284
OTHER USES OF REGULAR EXPRESSIONS
290
FURTHER READING
292
REVIEW TERMS
293
Chapter
11 ■
Processes and Services
297
STARTING A PROCESS
297
PROCESS EXECUTION
300
PROCESS STATUS
303
SCHEDULING PROCESSES
310
TERMINATING PROCESSES
314
SERVICES
316
CONFIGURING SERVICES
324
ESTABLISHING SERVICES AT BOOT TIME
329
FURTHER READING
330
REVIEW TERMS
331
Chapter
12 ·
Networks, Network Software, and the Internet
335
NETWORKS AT A HARDWARE LEVEL
336
NETWORKS AT A LOGICAL LEVEL
341
NETWORK PROTOCOLS
349
NETWORK SOFTWARE
357
THE INTERNET
361
How the Internet Works
364
Brief History of the Internet
365
Future of the Internet
367
FURTHER READING
370
REVIEW TERMS
372
Chapter
13 ■
Software
377
TYPES OF SOFTWARE
377
SOFTWARE-RELATED TERMINOLOGY
381
SOFTWARE MANAGEMENT
384
SERVICES AND SERVERS
389
Web Server
389
Proxy Server
390
xii ■ Contents
Database
Server
390
FTP Server
390
File Server
ЗУ
I
E-mail Server
39
1
Domain Name Server
39
1
FURTHER READING
І9Г
REVIEW
TERMS
vm
Chapter
14 ■ Programming
40I
TYPES OF LANGUAGES
40I
ABRIEF
EXAMINATION OF HIGH LEVEL PROGRAMMING I ANGUAGI
S
404
TYPES OF INSTRUCTIONS
409
Input and Output Instructions
409
Assignment Statements
41
1
Selection Statements
412
Iteration Statements
416
Subroutines and Subroutine Calls
419
Special Purpose Instructions
420
SCRIPTING LANGUAGES
422
Types of Instructions
422
Bash Shell Language
422
MS-DOS
431
FURTHER READING
4,54
REVIEW TERMS
4.55
Chapter
15 ■
Information
4.59
WHAT IS INFORMATION?
440
DATA AND DATABASES
441
INFORMATION ASSURANCE AND SECURITY
452
THREATS AND SOLUTIONS
456
CRYPTOGRAPHY
LAWS
FURTHER READING
464
469
Л71
REVIEW TERMS
HV I
474
Contents ■ xiii
Chapter
16 ■
Careers in Information Technology
479
IT CAREERS
479
Network Administration
481
Systems Administration
482
Web Administration
483
Database Administration
484
Computer Support Specialist
485
IT Management
486
RELATED CAREERS
487
Computer Forensics
487
Web Development
488
Programming/Software Engineer
489
Information Systems
489
Computer Technician
490
IT ETHICS
491
OTHER SOCIAL CONSIDERATIONS
495
CONTINUING EDUCATION
498
FURTHER READING
500
REVIEW TERMS
500
APPENDIX A: GLOSSARY OF TERMS,
505
APPENDIX B: LINUX AND DOS INFORMATION,
527
INDEX,
533
|
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| discipline | Informatik |
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| spelling | Fox, Richard 1964- Verfasser (DE-588)104532423X aut Information technology an introduction for today's digital world Richard Fox Boca Raton [u.a.] Taylor & Francis 2013 XXI, 542 S. txt rdacontent n rdamedia nc rdacarrier Includes bibliographical references and index Information technology Informationstechnik (DE-588)4026926-7 gnd rswk-swf Informationstechnik (DE-588)4026926-7 s DE-604 Digitalisierung UB Bamberg application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025895757&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
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| subject_GND | (DE-588)4026926-7 |
| title | Information technology an introduction for today's digital world |
| title_auth | Information technology an introduction for today's digital world |
| title_exact_search | Information technology an introduction for today's digital world |
| title_full | Information technology an introduction for today's digital world Richard Fox |
| title_fullStr | Information technology an introduction for today's digital world Richard Fox |
| title_full_unstemmed | Information technology an introduction for today's digital world Richard Fox |
| title_short | Information technology |
| title_sort | information technology an introduction for today s digital world |
| title_sub | an introduction for today's digital world |
| topic | Information technology Informationstechnik (DE-588)4026926-7 gnd |
| topic_facet | Information technology Informationstechnik |
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