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Some time we need to provide the parameters ( the data to be processed ) to a batch file at the time of calling the batch process. Suppose we want to add two numbers by a batch file. So, let's consider a name for the batch file, say, add.bat Now, if we want to add 4 and 5 by this batch file we have to write on the command prompt as, add 4 5 Then it will show the result 9 In a batch file the parameters are referred by numbering like, for the discussed batch file %1 refers the first value of parameter, i.e., 4 and %2 refers 5 . So the content of the batch file will be.... @echo off set/a sum= %1 + %2 echo %sum% echo on Comments on each line............... @echo off :: This command will off the echoing (displaying) the next commands until the echoing is on. set/a sum= %1 + %2 :: This Command evaluate the addition process and store the value in a variable named sum . /a is a switch for set command to evaluate any expression. echo %sum% ...

Flip-Flop is a memory element. You can say a basic element. It is a circuit that can hold a binary state (0 or 1 as low or high volts) until an input to change that state. We have many flip-flops as SR Flip-Flop (Set Reset) D Flip-Flop (Data) JK Flip-Flop T Flip-Flop (Toggle) Those Flip-Flops are available in market in IC Package Form. Now You have a circuit that uses 1 JK and 1 D Flip-Flop and 3 NOT Gates. So you have to buy three ICs- one for JK, one for D and other for NOT Gate. Ultimately you will see that a flip flop in IC of JK, a flip-flop in D IC and 3 NOT gates are not used. Now, if you convert a JK flip flop into D flip flop then you didn’t have to pay for the D flip flop IC. So, your circuit will be made by 2 ICs in place of 3 and in cheap cost. This article is for that reason. How the Flip-Flops are converted from one to other. Procedure: 1. Write Qt and Qt+1 Table with 4 combination of 0 and 1. 2. Write columns for inputs of destination Flop-Fl op. 3. Write the ce...

GHORA Aaj bhor 4:30 se uthlaam . Shantiniketan jabo, Rabindra Nath Tagore er University te (Vishva Bharati). Jaai hok uthe snan korlaam, khelaam. Eto Sakaale Khaaoya jay naa tobuo. Station e elaam Cycle niye. Bhorer aalo sabe futchhe. Rastaay NewsPaper wala, Sabji wala ra je jaar Kaaje Jaachchhe. Cycle Garage o to takhon khole naa. Cycle ta Garage baarhir pichhone lock kore rekhe dilaam. Kaal aboshyo bola chhilo. Station-e (KHD) elaam 5:00 taay. Ticket Kaatbo. Counter Kholaa nei. Light jwalchhe kintu taalaa bandho. Bhalo kathaa. Katlaam Naa. Dekhi Train Ese Gelo. Uthlaam. Seat-e giye boslaam. Dekhi, Keu News Paper, Keu Dokaner Jonnyo Maalpatro niye firchhe, keu kaaje jaachchhe doore. Jara Dokaaner Malpatro niye firchchhe taaraa dekhi dhulchhe. Aar News Paper walara Station-e Jate Taratari namte paare sejonyo Gate-er kaachhe daariye aachhe, ready hoye. Anek News Paper to! Tabe Sobji waalaader bhirh-firh nei. Up Train to, Sejonyo! Aboshyo taate Sameeran Da durgandher haat theke ektu re...

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Here a program to show mouse pointer in dos graphics mode and also sense the clicking effect. Just Enjoy it. #include<stdio.h> #include<dos.h> #include<graphics.h> #include<conio.h> void main() { int gd=DETECT,gm,x,y; union REGS in,out; initgraph(&gd,&gm,""); in.x.ax=0; int86(0x33,&in,&out); in.x.ax=1; int86(0x33,&in,&out); in.x.ax=3; while(!kbhit()) { int86(0x33,&in,&out); x=out.x.cx; y=out.x.dx; if(out.x.bx==1) putpixel(x,y,RED); } closegraph(); } **Before running the program u have 2 copy the file named 'egibgi.bgi' in the current directory.