c sharp parallel port programming

... 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...

Ngày tải lên: 04/11/2013, 18:15

... 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...

Ngày tải lên: 22/01/2014, 11:20

... 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 specically a manager could check that a doctor’s...

Ngày tải lên: 21/02/2014, 06:20

... 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...

Ngày tải lên: 14/03/2014, 17:40

... 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...

Ngày tải lên: 14/03/2014, 20:20

... 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...

Ngày tải lên: 31/03/2014, 16:41

... 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...

Ngày tải lên: 17/04/2014, 09:17

... !! 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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file operations namespace Calculator { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) ...

Ngày tải lên: 28/04/2014, 15:33

Ngày tải lên: 12/08/2014, 19:20

Ngày tải lên: 12/08/2014, 19:20

Ngày tải lên: 12/08/2014, 19:20

Ngày tải lên: 12/08/2014, 19:20

Ngày tải lên: 12/08/2014, 19:20

Ngày tải lên: 12/08/2014, 19:20

Ngày tải lên: 12/08/2014, 19:20

Ngày tải lên: 12/08/2014, 19:20

Ngày tải lên: 12/08/2014, 19:20

Ngày tải lên: 12/08/2014, 19:20