2
| Colcount | ʳ |
| Rowcount | ʳ |
| Cells[cols, rows] | |
| Fixed cols | ʳ |
| Fixed rows | ʳ |
| Options go Editing | (True/False) |
| Options go Tab | Tab |
| Options go Always | . , , F2 |
| Default Col Width | |
| Default Row Height | |
| Grid line Width | |
| Parent Font | . |
. 1.3.1 StringGrid
A: array of real;
Set Length. Delphi ( ) Memo. , Enter. Lines[x], . Delphi , Pascal.
1.4.6. Delphi : , x, c y 
.
, - Delphi, , , , ᒺ.
, . .
, x, c y, , Edit, Button, BitBtn Label. Edit . BitBtn , , . Label , . Button, . 䳺 OnClick, :
var x, y, c, m: real;
begin
x:=StrToFloat(Edit1.Text);
c:=StrToFloat(Edit2.Text);
y:=StrToFloat(Edit3.Text);
m:=Round((x+y)/c+sqrt(sqr(sin(x))+y+0.25+0.2*c));
Edit4.Text:=FloatToStr(m);
end;
var x, y, c, m: real; - ;
Begin ;
|
|
|
::
x:=StrToFloat(Edit1.Text);
c:=StrToFloat(Edit2.Text);
y:=StrToFloat(Edit3.Text);
- x, c y Edit Text, ;
m:=Round((x+y)/c+sqrt(sqr(sin(x))+y+0.25+0.2*c)); - a b;
Edit4.Text:=FloatToStr(m); - , ;
end; - .
˳ , , .
1.3 . 泻
1.5.30. : 䳿 OSI.
. . 䳿. , .
7- , ( 3). .
3
| г OSI | |
| HTTP, gopher, Telnet, DNS, DHCP, SMTP, SNMP, CMIP, FTP, TFTP, SSH, IRC, AIM, NFS, NNTP, NTP, SNTP, XMPP, FTAM, APPC, X.400, X.500, AFP, LDAP, SIP, IETF, RTP, RTCP, ITMS, Modbus TCP, BACnet IP, IMAP, POP3, SMB, MFTP, BitTorrent, e2k, PROFIBUS , . . | |
| ASN.1, XML, TDI, XDR, NCP, AFP, ASCII, Unicode | |
| ASP, ADSP, DLC, Named Pipes, NBT, NetBIOS, NWLink, Printer Access Protocol, Zone Information Protocol, SSL, TLS, SOCKS, PPTP | |
| TCP, UDP, NetBEUI, AEP, ATP, IL, NBP, RTMP, SMB, SPX, SCTP, DCCP, RTP, STP, TFTP | |
| IPv4, IPv6, ICMP, IGMP, IPX, NWLink, NetBEUI, DDP, IPSec, ARP, SKIP | |
| ( ) | ARCnet, ATM, DTM, SLIP, SMDS, Ethernet, FDDI, Frame Relay, LocalTalk, Token Ring, PPP, PPPoE, StarLan, WiFi, PPTP, L2F, L2TP, PROFIBUS |
| RS-232, RS-422, RS-423, RS-449, RS-485, ITU-T, RJ-11, T-carrier (T1, E1), Ethernet: 10BASE-T, 10BASE2, 10BASE5, 100BASE-TX, 100BASE-FX, 100BASE-T, 1000BASE-T, 1000BASE-TX, 1000BASE-SX |
(Application layer)
(7-) , . г , , , . , .
г (Presentation layer)
/ . , , , , . / / , , .
|
|
|
(Session layer)
³ ', . г / , , , . , 䳿.
(Transport layer)
(Transport layer) 4- OSI, , , . , , , . , , ' , . 䳿 -.
(Network layer)
3- OSI, . ³ , , , . , .
(Data Link layer)
䳿 , .
, , . , 䳺. IEEE 802 2 MAC (Media Access Control) , LLC (Logical Link Control) . , .
MAC- , . , .
, 䳿 , , . : NDIS, ODI.
Գ (Physical layer)
, . . , . () . Գ , , ', , , , .
, , '. ' : ( , ) ; ; ; .
3 : (copper), (fiber) (wireless). , , . , , . ' ( ).
|
|
|
㳿 , : The International Organization for Standardization (ISO), The Institute of Electrical and Electronics Engineers (IEEE), The American National Standards Institute (ANSI), The International Telecommunication Union (ITU), The Electronics Industry Alliance/Telecommunications Industry Association (EIA/TIA) .
, . . , , , .
, , . , , , , .
г . .
1.4
1.6.1. : 
.
- , F(x, y, y)=0, x, y=y(x) y.
4x+2y-1= z;
z=4+2y;
:
;
. , 
, 
.
, 2:
1.5 ϻ
1.7.2. C++/Visual C++: 1 15, while ( ).
++ . . ++ #, , , . :
#include "stdafx.h" - ;
#include <iostream> - ;
#include <conio.h> - ++, getch.
int main () . main . ++. x, int, . int x=0; while. x<15 x++, :while(x<15){
x++;
Printf ( , ) . % . %d . /t. printf("%d\t", x);getch() .
|
|
|
˳ .
1.6 Web-
1.8.16. web- : Web- . 5 , .
Web-㳿 HTML. .
web- , , web-. web- web-, .
:
<html>
<head>
<title>frame</title>
</head>
<frameset rows=50%,50% frameborder="yes" bordercolor="red">
<frame src=".html" marginheight="50" >
<frameset cols=45%,55% frameborder="yes" bordercolor="red">
<frame src="Foto1.html">
<frame src="Foto2.html">
</frameset>
</frameset>
</html>
<html></html> Web- HTML;
<head></head> ;
<title></title> Web-;
<FRAMESET> </FRAMESET>. . rows cols . Frameborder . Bordercolor . marginheight . <Frame> . scr html-.
web- web- . web- .
web- .html :
<html>
<head>
<title></title>
</head>
<body>
<p align=CENTER><B><I><FONT size=5> 5 </FONT></B></I></p>
</body>
</html>
, <body></body>, , Web-.
<p> , align CENTER, , </p>.
<B></B> , , .
<I></I> , , ().
<FONT> size , . </FONT>.
web- Foto1.html :
<html>
<head>
<title>Foto1</title>
</head>
<img src=Foto1.jpg > </html>
web- <img>, src, URL- .
.1.8.1 Foto1.html .1.8.2 Foto2.html
web- Foto2.html :
<html>
<head>
<title>Foto2</title>
</head>
<img src=Foto2.jpg >
</html>
˳ web- .
1.7
1.9.11. : . .
, - .
, , ' , , ( ).
|
|
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( ) .
' , - ³ . .
. . , , , . ( ).
, . ,
, . ϲ_ () , ', ⳻ :
= && &&
.
, , . ' .
' , , . ,
, - , , . .
. , , . .
, . ' . , .
. , Access , "", "볺" "", , . , .
. , ">" ( ), .
, "<" ( ) .
, . () , . ' , . 6. , . , . , ..
.
.
Access 2002 , . , , . ; , , . .
( ) , ' , / , , , , (.1.9.1). () . ҳ- , ' - , . , , , , :
- - ;
- - ;
- - ;
- - ;
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.1.9.1
, , / . Ⳮ . , , ' , . , ( ), . , .
( ).
1.10.8. : Access . . . :
- ;
- , 100 .;
- , 2000 .;
- , .
, : . (.1.10.1).
.1.10.1
, ( / , , , , , , ) (.1.10.2).
. 1.10.2
(.1.10.3). , . .
.1.10.3 ij
, (.1.10.4).
.1.10.4 ij
, (.1.10.5).
.1.10.5
(.1.10.6). , . . , > >> (.1.10.7). , .
.1.10.6 .1.10.7 г
Գ , , , (.1.10.8).
.1.10.8 Գ
, (.1.10.9).
.1.10.9 , 2000 .
, 100 (.1.10.10) (.1.10.11).
.1.10.10 , 100 .
.1.10.11
1.8
1.11.8. : , , ( , , 220 284). , , .
Pascal. Praktuka. Uses Crt. Var del [2..10000] longint, i, j, k, p, n longint. (begin) ClrScr. Writeln wwedit diapason chusel, Readln n. ' n, .
For, k:=2, n, del[k]:=1+k. For, k:=2, n div 2. ³ , . p:=k+k. while, p<=n. ³ , . del[p]:=del[p]+k p:=p+k. end.
For, i:=2, n-1, For j:=i+1 n. , .
If B then S1. if (del[i]:=i+j) and (del[j]:=i+j). Writeln. Readkey. (end).
.
1.9
1.12.45. : ?
. (. . 6.1), . , .
( ) , , , . 䳺 . (, , ).
³ , , -, , .
. , (1), (0). .
, .
- , , , , , , .
, .
, sinωt .
, , -, - .
䳿 , .
䳺, , , ' .
, , ,
K= lgN,
k - , ( ); N - .
, . - , .
: - , (1, 5, 7 - ; 2, 4, 6, 8 - ; 3 - , ); - , ( 000 999);
- , ; - .
, , . . , K555 1 - 55, ( -) 1.
