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.

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(utilities).

Pascal C.

. :

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Windows UNIX - LINUX,

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automation.

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UNIX).

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5. MS-DOS () Microsoft: MS-DOS, Windows

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, Windows NT server, Windows XP, Windows 2003

:

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, , , /

DOS

/ MS-DOS.

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(windows explorer)

20

:

( /IRQs), (drivers),

(.. network neighborhood) :

(defragmentation utility), data compression, backup

software, data recovery utility, antivirus utilities, screen saver

- Registry .

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.

8.

/

1 4

2 4 2

3 4

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).

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Modems, V90, V34bis.

Baseband Modems, /

.

ISDN (Integrated Switched

Digital Network).

ISDN

ISDN.

ISDN PSTN

(Packet Switched Networks).

X25.

Frame Relay.

ATM.

22

:

6.

Modem

K

/repeaters

/routers

/bridges

7. Digital Subscriber Line/DSL () :

ADSL ( : ~ 6Mbps ,

~640Kbps, 64 Kbps)

SDSL ()

HDSL ( )

VDSL ( ).

8. () , :

(M1020)

PCM

HellasCom.

9. () :

RS-232 ( D-connector, data DTE, data DCE,

DCE-DCE DTE-DTE)

modems AT ( modem /, , , ,

, modem)

(.. Hyperterminal) (

/ , ,

)

( . Xmodem, modem

)

23

:

/ ( - modem, /,

Hyperterminal, )

/ , , , TCP/IP.

10. Open Systems Interconnection/ OSI ()

(layer)

T

( :RS-232 : Xmodem,

modem)

(Data Link Layer) (Point-

to-Point Protocol PPP).

11. INTERNET /WWW () , :

;

;

;

TCP/IP;

IP , ;

INTERNET;

DNS (Domain Name Service) World Wide Web :

client/server

WWW

HTTP (Hypertext Transfer Protocol)

(HTML: Hypertext MarkUp

Language)

WWW (URL:

Uniform Resource Locator)

(Internet

Explorer Netscape Communicator)

.

12. ()

24

:

, :

mail server;

SMTP POP server;

mail client;

/

(.. Netscape Messenger)

:

(Inbox)

(folders)

.

13. Internet FTP, Chat, News.

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2 2

3 2

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5 4

6 3

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8 2

25

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10 Open Systems

Interconnection/OSI

4

11 INTERNET

/WWW

5

12

5

13 Internet 2

14 2

15 T 2

28 28

26

:

:

: 42/, 3/

:

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: 84/, 6/

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WINDOWS.

Ethernet H/Y WINDOWS

( Microsoft Windows Server 2003 OLP Academic & Microsoft Windows XP

Professional windows 2000 - NT)

. ,

WINDOWS ,

,

.

(: 26 )

3 4

-

- _AND_ parbegin parend

_AND_

parbegin parend

- fork join

27

:

fork join

Peterson

P V

:

28

:

/

(: 52 ) 1: Windows : WINDOWS .

: 1. WINDOWS.

2. WINDOWS.

3. .

2: : WINDOWS.

: 1. (Add/Remove Programs).

29

:

2. (Console).

3.

4. (Devices).

5. (Dial-Up Monitor).

6. .

7.

8. .

9. (Internet).

10. (Modems).

11. (Multimedia).

12. (Network Monitor Agent).

13. (Ports).

14. .

15. (Regional Settings).

16. SCSI (SCSI Adapters).

17. (Services).

18. (System).

19. (Telephony).

3: : WINDOWS.

: 1. (Performance Monitor).

2. (Network Monitor).

3. O WINDOWS (Task Manager).

4. (User Manager).

5. Backup.

6. O DHCP (DHCP Manager).

7. DNS (DNS Manager).

8. WINS (WINS Manager).

9. (Disk Manager).

10.

11. Event Viewer.

12. (File Manager).

13. (Internet Service Manager).

14. (Network Client Administrator).

30

:

15. (Remote Access Admin).

16. System Policy Editor.

17. Windows (Windows Diagnostics).

4: To TCP/IP WINDOWS : WINDOWS.

: 1. (Dialup Networking).

2. To RAS. RAS. RAS

Session.

3. ping, tracert, route, netstat, winipcfg, arp, ipconfig.

4. TCP/IP Control Panel/Network.

5. DHCP, WINS DNS.

6. To Hyperterminal.

5: : 2 4 . windows

: (C_1)

: 84/, 6/

: (2 + 4E)

C.

1. C

( ..

)

.

31

:

2.

C

Strings

.

3. -

(char, int, float

unsigned, long, short)

, ,

(int)

float

char

double

,

(!, &&, ||)

Bitwise (~, &, ^, |, )

(casting).

4.

IF-ELSE

? ( )

WHILE

FOR

DO

SWITCH

DO WHILE

BREAK, CONTINUE, GOTO

-

5.

-

32

:

Return

. (Local) (global)

arg argv main()

()

Void

Recursion ( )

(math.h)

div():

Log(), log10(): 10

Exp()

power(), pow(), pow10()

(.trcpy(), strcat(), strcmp(), strlen(), strupr(), strlwr(),

toupper(), Tolower() )

:

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TCP/IP.

, / ( OSI & TCP/IP)

/.

.

/.

.

(..

(PSTN) (ISDN)

Ethernet PPP).

33

:

1: : 8 : .

/,

, ,

.

: 1. , ,

, .

2.

a. , (Star),

(Bus)

b. ,

(Broadcast Networks) (Point-

to-Point Networks).

c. , (Local Area Networks

LAN), (Wide Area Networks WAN).

3.

a. (layer) .

b. .

c. .

d. , (Simplex),

(Half-Duplex), (Full-Duplex).

e. Connection Oriented Service, Connectionless Service.

2: : 8 : , OSI

TCP/IP.

/.

:

34

:

1. OSI (Open Systems Interconnection),

.

2. TCP/IP,

.

3. OSI & TCP/IP.

4. TCP/IP

OSI.

3: (Data Link Layer) : 38 : ( ) ,

(ppp) (Ethernet). :

1.

a. (Twisted Pair Unshielded

Twisted Pair CAT5).

b. (Baseband Coaxial Cable).

c. (Broadband Coaxial Cable).

d. .

2. (Wireless Transmission), Radio Microwave Infrared &

Millimeter Lightwave Transmission.

3. (Public Switched Telephone Network PSTN).

a. PSTN.

b. Modems, V90, V34bis.

c. Baseband Modems, /

.

4. ISDN (Integrated Switched

Digital Network).

a. ISDN

b. ISDN.

c. ISDN PSTN

5. (Packet Switched Networks).

a. X25.

b. Frame Relay.

35

:

c. ATM.

6. (Point-to-Point Protocol PPP).

a. ppp ( ppp

/ host ,

/ ).

b. ppp (LCP, NCP).

c. authentication ppp (Chap, Pap).

d. ppp WAN .

e. Multilink ppp.

7.

a. Ethernet, Fast Ethernet, CSMA/CD (Carrier Sense Multipe Access

with Collision Detection), MAC Address, Standard 802.3

b. Token Bus, Token Ring

c. FDDI

4: : 2

:

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.

.

,

.

,

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o (BUSES).

36

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o ,

(FDD, HDD, ).

o (CACHE, RAM, ROM).

o ,

.

o / (, , CD ROM, Bernoulli,

Floptical DD, Laser DD, , UPS, Tape streamer, ):

o .

2.

3. o

o

o

o BIOS

o

o

4. - (SCSI )

(RS232 USB )

MODEMS

Modem

modem

(device drivers)

(conflicts)

5.

37

:

Backup

Restore

6.

(Racks)

7.

/

1 8

2 4 6

3 2 6

4 - 4 6

5 4 4

6 4 4

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38

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(, ).

,

, .

39

:

:

: 42/, 3/

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LINUX,

LINUX UNIX.

Ethernet H/Y LINUX

.

/ LINUX (.. REDHAT SUSE

MANDRAKE). ,

LINUX

,

.

1: Unix : 8 : UNIX

. o

LINUX.

: 1. UNIX. (versions) UNIX, System V

UNIX & BSD UNIX.

2. UNIX .. DOS,

WINDOWS.

40

:

3. LINUX. LINUX

. LINUX

UNIX. LINUX .. REDHAT,

SLACKWARE, SUSE, MANDRAKE ..

4. LINUX. (kernel) (Shell).

.

5. X-WINDOWS LINUX.

(Window Manager).

2: & & : 12 : LINUX.

: 1. , ,

(Virtual Terminal) (Console).

2. (Second Extended File System e2fs), ,

(/, /home, /etc, /dev, /bin, /usr/bin, /usr/sbin.).

3. & (pwd, cd, mkdir, rmdir, ls,

cp, mv, rm)

4.

Linux.

a. (Administrator).

b. H (ownership)

.

c. (File Permissions).

d. chown, chmod, groups.

5. (alias).

6. (ASCII files) (more, tail, cat, less).

7. / (redirect input/output).

8. (Pipelines).

9. Wildcards.

10. Linux man.

11. Windows Linux

Windows

Linux

41

:

Lilo

12. Bootpart

13. Linux

14. Windows

15.

16. Linux Boot Linux Root.

17. Linux bootstrap

18. Root dis Ramdisk.

19. partition

20. Format

21. Boot Manager)

22. Ramdisk (Root).

3: : 6 : LINUX

LINUX.

: 1. (process) (Multitasking).

(Process Identification Number PID).

2. (fg, bg,

& , Control-C, Control-Z).

3. , ps top.

4. kill.

4: C (C-shell) : 10 : LINUX LINUX.

: 1. .login .cshrc.

2. (Local & Environment Variables)

C-Shell. set, setenv echo.

3. (String Operators), (Arithmetic

Operators).

42

:

4. .

5. (aliases).

6. (Control Structures), foreach.end, goto,

ifthenelseendif, repeat, switch.caseendsw, while/end.

7. C .

5: & . : 12 : LINUX.

: 1. ( fgrep, grep, egrep).

2. , ( find).

3. ( comp, diff).

4. ( sort).

5. & ( tar, gzip).

6. ( ln).

7. ( crontab).

8. vi.

6: & : 4 : /

LINUX .

: 1. finger w.

2. telnet, rlogin, slogin.

3. ftp.

4. write, talk, wall, mesg.

5. host.

6. ping traceroute.

7: : 4

43

:

: (C_2)

: 56/, 4/

: (2 + 2)

C.

1. STRINGS

(Call by reference)

Strings

2.

3. C

4. - printf

scanf

fprintf, sprintf, fscanf, sscanf

(fopen, fclose, getc, getchar, fgetc, putc, putchar, gets, fgets,

puts, fputs, fseek, rewind, ftell, unlink, exit, system)

44

:

--Strings 15

7

C 20

- 12

2

56

:

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(data) .

,

, , . (INFOSEC)

(ADPSEC), (COMPUSEC)

(COMSEC). INFOSEC

,

.

(INFOSEC),

,

.

-

(1)

(2)

45

:

(3)

(Hackers) - (Crackers)

:

(4) /.

(5) .

(6) / .

(7) .

(8) /.

(9) ,

(10)

(11) .

(12) .

(1)

(2) /

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(4) .

(5)

(6)

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46

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/ (trojans) , (worms) ..

,

(firewall), , , ..

, ,

..

.

/

1 6 2

2 4 6

3 6 6

4 4 6

5 6 6

13 T 2 2

28 28

windows

Linux , .

:

: 56/, 4/

:

TCP/IP.

/ .

internet

windows linux.

.

47

:

INTERNET

.

.

internet GOPHER

F.T.P. (File Transfer Protocol)

hostname

pwd ls binary ascii lcd

get

put

bye Archie

TELNET

E-MAIL

Simple Mail Transfer Protocol (SMTP)

Post Office Protocol (POP)

MIME (Multipurpose Internet Mail Extensions)

SMIME NETWORK NEWS - USENET

CGI

WWW

internet

WWW WEB

WWW

HTML HTML

HTML

HEAD TITLE

BODY

48

:

49

BLOCK

A

OMH H

TOIXEIA

SCRIPTS

/ 1 INTERNET 4 2 4 3 internet 18 4 WWW 2 5 HTML 2 6 2 7 HTML 20 13 T 4 56

windows

Linux.

:

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1

1. .

2. .

3. (Business planning).

4. : ,

, .

2

1. : ,

, , .

2. : , (,

, ).

3. .

3.1 .

3.2 . .

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MARKETING.

1. .

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4. .

5. .

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51

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:

(LAN)

Windows LINUX.

(server)

(workstation). 2

. (8) .

(1)

.

,

(UPS).

(Hardware)

standards , .

:

-

- (Proxy)

- Windows NT 2000 XP 2003

- LINUX

- Graphics user interface (GUI) -

LINUX

-

- Office automation ( MS office Star office )

:

1.

2.

3.

4. ... ()

5. ... ()

6. ( )

7.

8. ( )

9. ( )

10.

53

:

11.

12.

13.

14.

15.

16.

:

1.

2. Philips #1 #2

3. torx ()

4. ()

5.

6. (contact cleaner )

7.

8.

9.

10.

11.

12.

13.

14. 1

15.

16.

17. (metrics)

18.

19.

20.

21.

22. leatherman

:

.

54

:

.

: / 1. 3 3 2. 3 3 3. 3 3

4. 2 4 6

: : 1. , 2. , 3. , 4. , 5. 6. XML. . : Word, Excel, Power Point : Microsoft Office 2003 Professional Academic OLP edition, Star office (SUN)

5. & 2 2 4

: . ( , ) &

6. & 2 2

: . ( , ) &

7. 2 2 4

: : 1. 2. 3. : internet .

8. 2 2

: ( / .) : 1. 2. :

9. & Internet 2 2 4

: . : 1. , 2. 3. Internet ( )4. Intranets ( Sharepoint Portal Services server 5. Web Services & XML

10. & (Software Engineering)

2 4 6 : . :

11. 2 2 4 : . :

55

:

12. 2 2 4

: 1. , ( ) : 1. , 2. , 3. , 4. WEB, Mail, FTP, 4. . (SQL Server) 2. . . 3. / : (virtual machine), , Microsoft Windows Intel : ( Windows ) & / : Microsoft Windows Server 2003 OLP Academic & Microsoft Windows XP Professional

13. 2 4 4

: 1. , ( ) : 1. , 2. , 3. , 4. WEB, Mail, FTP, 4. . (SQL Server) 2. . . . Microsoft Windows Intel : Administrative tools & : Microsoft Windows Server 2003 OLP Academic & Microsoft Windows XP Professional

14. 4 4

: 1. , ( ) : 1. , 2. , 3. , 4. WEB, Mail, FTP, 4. . (SQL Server) 2. . . Unix Intel . : Administrative tools & : UNIX, LINUX

15. 2 2 : , , ()

16. 2 2 4

: . : 1. () TCP/IP, 2. IP addressing, 3. / & 4.

56

:

17. II 4 4

: , (WAN) TCP/IP. . : DNS, active directory, WINS, DHCP, Web, FTP, SMTP & . : Microsoft Windows XP Professional (DNS, active directory, WINS, DHCP) & Microsoft Windows Server 2003 OLP Academic (IIS: Web, FTP, SMTP)

18. III 2 2 4

: . : Hubs, Switches, Routers Hubs, Switches, Routers : Cisco IOS Switches & Routers

19 I 2 2 4

: . Hubs, Switches, Routers & servers : Exchange server send mail postfix qmail IIS Apache

20. & 4 4 4 : (Network Management System/NMS, .. HP OpenView HP

21. &

2 2 4 : .

22. 2 2 4

: . (MS Access 2003 MySQL) : : MS Access 2003 MySQL

23. 2 2 4

: . (SQL Server MySQL) : : SQL Server MySQL

24. 2 2

: . : , C++

25. 2 2

: , Pascal : . : Pascal

26. II (C_1 ) 2 4 6

: , C : C (1o ). : C (1o ).

57

:

27. II (C_2 ) 2 2 4

: , C : C (2o ). : C (2o ).

28. IV ( C++)

2 4 6

: , , C++ : C++ : C++

29. V (PHP_1, ASP_1, JAVA_1)

2 4 6

: , . : (1o ). : PHP ASP.NET JAVA (1o ). Web Matrix ( ASP.NET) MSDE. http://www.asp.net/webmatrix/download.aspx?tabindex=4

30.

VI (PHP_2, ASP_21, JAVA_2)

2 4 6

: , . : (2o ). : PHP ASP.NET (Web Matrix Visual Studio.NET) JAVA (2o ).

31. Internet I 2 2 4

: . : , (1o ). : HTML & Java script

32. Internet II 2 2

: . : (2o ). : Microsoft FrontPage 2003 Macromedia Studio

33. & 2 2 4 & : (Antivirus, Firewalls, , , )

34. 2 2 4 : .

35. & 1 1 2

: . . : Microsoft PowerPoint 2003

36. 2 2 . .

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38. 20 20 4 , 5 , 29 61 90

.

,

.

58

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:

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/ .

2. A.E.I. ..

/

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/ .

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....

4. A.E.I. ..

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5. T.E.I. ..

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.

6. A.E.I. ..

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7. T.E.I. ..

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2. A.E.I. ..

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