c sharp parallel port programming
Programming the Parallel Port
Ngày tải lên :
04/11/2013, 18:15
... Some popular latch ICs.
Name Description
74HCT373 Octal D-type latch
74HCT573 Octal D-type latch
Page 24
Counters
Counters, as the name suggests, count. The counter has a clock input pin, a reset ... popular counter ICs.
Name Description
74LS90 Decade counter
74HCT4024 Six-stage binary counter
74HCT4040 12-Stage binary counter
74HCT190 Synchronous decade up/down counters with mode control
74HCT191 ... The choice of a communication link also depends on the digital circuit, so the question
becomes a sort of a chicken and egg problem. Options for the digital circuit include:
ã The digital circuit...
- 267
- 341
- 0
Tài liệu Parallel Port Complete: Programming, Interfacing, & Using the PC''''s Parallel Printer Port ppt
Ngày tải lên :
22/01/2014, 11:20
... autorrnatic setting=_
Conflicting device list:
I
nterrupt Request 03 used by
Communications Port (CCiM'2)
Direct Memory Access 01 used by:
Media Vision Thunder Board
Select a port and click OK,
or
Cancel
to ... ISA-bus
speeds. ECPs have buffers and support for DMA (direct memory access) transfers
Parallel Port Complete
3
The Circuits Inside
Cables
Essentials
Inside the computer, the parallel- port circuits may ... 36-contact connector as the
Centronics connector, because it's the same type formerly used on Centronics
printers.
Other names are parallel- interface connector or just printer connector.
IEEE...
- 63
- 355
- 0
Tài liệu Object Oriented Programming using C sharp ppt
Ngày tải lên :
21/02/2014, 06:20
... source code to execute on a particular machine
ã compilation into machine-language object code
ã direct execution of source code by interpreter program
ã compilation into intermediate object code ... o. A car has a current speed and has a certain
amount of fuel inside it.
Speci c behaviour can also be associated with each object (things that you can do with it) :- a watch can be checked ...
automatically at the end of every month) and could discipline any doctor guilty of misconduct – of course this would be
true for other sta as well. More specically a manager could check that a doctor’s...
- 254
- 500
- 1
C sharp database programming
Ngày tải lên :
14/03/2014, 17:40
... from an Access database.
Listing 1.2: OLEDBCONNECTIONACCESS.CS
/*
OleDbConnectionAccess.cs illustrates how to use an
OleDbConnection object to connect to an Access database
24
Mastering C# Database ... the
constructor
OleDbConnection myOleDbConnection =
new OleDbConnection(connectionString);
// create an OleDbCommand object
OleDbCommand myOleDbCommand = myOleDbConnection.
CreateCommand();
...
creates an OleDbConnection object, passing connectionString (set in the previous line of
code) to the constructor:
OleDbConnection myOleDbConnection =
new 01eDbConnection(connectionString);
Listing...
- 710
- 576
- 2
Mastering C Sharp Database Programming doc
Ngày tải lên :
14/03/2014, 20:20
... namespace has been imported, the following example creates an
OleDbConnection object, passing connectionString to the constructor: OleDbConnection
myOleDbConnection = new OleDbConnection(connectionString);
Listing ... source=ORCL;user id=SCOTT;password=TIGER";
// create an
OleDbConnection object to connect to the // database, passing the connection string to the
constructor OleDbConnection myOleDbConnection ... OleDbConnection(connectionString);
// create an OleDbCommand object OleDbCommand myOleDbCommand =
myOleDbConnection.CreateCommand(); // set the CommandText property of the OleDbCommand
object to...
- 385
- 2.2K
- 0
c sharp programming
Ngày tải lên :
31/03/2014, 16:41
... generic type declaration. Like fields,
methods can be static (associated with and accessed through the class) or
instance (associated with and accessed through an object instance of the class).
Constructors
A ...
C: \WINDOWS\Microsoft.NET\Framework\v2.0.50727\csc.exe hello.cs
ã For Mono run mcs hello.cs.
ã For users of cscc, compile with "cscc -o <name>.exe <name>.cs".
Doing so will produce ... &
Overflow exception control
Expression Explanation
checked(a) uses overflow checking on value a
unchecked(a) avoids overflow checking on value a
22 | C# Programming
Chapter
24
A section "Entitled...
- 71
- 386
- 0
network programming .net with c sharp and vb.net 2004
Ngày tải lên :
17/04/2014, 09:17
... listenerSocket.Bind(ipepServer)
listenerSocket.Listen(-1)
clientSocket = listenerSocket.Accept()
If clientSocket.Connected Then
Do
bytesReceived = clientSocket.Receive(recv)
tbStatus.Text += Encoding.ASCII.GetString(recv)
... EndPoint.
AcceptSocket()
Accepts a pending connection request. Returns
Socket.
AcceptTcpClient()
Accepts a pending connection request. Returns
TcpClient.
Pending()
Determines if there are pending connection requests. ... creation of an OleDbConnection object,
where the constructor is passed the connection string (Table 2.6). Here the
database is a Microsoft Access file located at
c: \purchaseOrder.mdb
C#
string szDSN...
- 562
- 2.5K
- 0
visual c-sharp programming basics
Ngày tải lên :
28/04/2014, 15:33
...
!!
A0!'.901!RpublicT!70$#,0!108%-,)/2!'(0!$+/8')#/!*#!&0!8-/!+*0!)'!#+'*)10!'()*!8%-**N!
S#&=!2#!7-8;!'#!RU#,3]N8*T!-/1!108%-,0!'(0!8%-**!,)2('!#/!'#9!#$!'(0!Main!$+/8')#/4!
Calculator Calc = new Calculator();!
!
16"
VISUAL" ;C# " ;PROGRAMMING& quot;BASICS#
!
//This is the switch-case command
//it works like multiple if's
switch (String) ... void checkBox1_CheckedChanged(object sender, EventArgs e)
{
if (checkBox1.Checked == true)
{
button1.Enabled = true;
}
else
4"
VISUAL" ;C# " ;PROGRAMMING& quot;BASICS#
!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
L#+!/#&!8,0-'01!-!/0&!9,#Q08'N!L#+!3)2('!20'!-%%!*8-,01!7.!E)*+-%!HIW*!)/'0,$-80!708-+*0!)'!)*!<0,.!
8,#&101!-/1!.#+!1#/W'!;/#&!&(-'!3#*'!#$!'(0!8#/',#%*!1#N!X0'W*!'-;0!-!%##;!-'!'(0!)/'0,$-80!$#,!-!7)'4!'(0!
$),*'!'()/2!'(-'!9#9W*!)/'#!.#+,!0.0*!)*!'(0!$#,3!,)2('!)/!'(0!3)11%0N!O'!)*!-/!039'.!$#,3!-/1!&(-'!.#+!(-<0!
'#!1#!)*!'#!'-;0!8#/',#%*!$,#3!'(0!R"##%7#KT=!'(0!9-/0%!$,#3!'(0!%0$'=!-/1!9+'!'(03!#/!)'N!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ... file operations
namespace Calculator
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
...
- 19
- 312
- 0
