What is a loop How can you create loop in QBasic?

What is a loop How can you create loop in QBasic?

  1. Looping Statement.
  2. loop is a sequence of instructions that is repeated until a certain condition is reached.
  3. •For Next loop.
  4. Loops allows a specified group of statements to be executed a certain number of times while certain condition is true.
  5. FOR counter = start TO end [STEP]
  6. For Loop’s syntax.
  7. Example.

How do you draw a line in QBasic?

The screen coordinates of the start of the line and of the end of the line. A color attribute that sets the color of the line or rectangle. The available color attributes depend on your graphics adapter and the screen mode set by the most recent SCREEN statement. Draws a rectangle instead of a line.

What are the commands in QBasic?

Some Basic useful commands on QBasic:

  • PRINT: This command prints the statement or data written after it.
  • INPUT: INPUT command is used to take inputs/data from the user.
  • CLS: CLS stands for Clear Screen and is used to clear the screen if some previous results/outputs are present on the screen.

How do you draw pixel in QBasic?


  1. PSETEdit. The PSET command lets the programmer display pixels on the screen. Before you type the command in, you must make sure that a SCREEN command is in.
  2. LINEEdit. LINE [[STEP](x1!,y1!)]
  3. CIRCLEEdit. CIRCLE (100, 100), 25, 4,0,3.14.
  4. PAINTEdit. To use PAINT, there must be a SCREEN command declared.
  5. DRAWEdit. ToDo.

Which command in Qbasic is used to draw straight line between two points?

LINE statement is used to draw a straight line between any two points on the screen. CIRCLE statement is used to draw a circle, an ellipse or an arc of a circle.

What Is REM command in QBASIC?

Explanation: The INPUT statement in QBASIC is used to accept the data item from the user. REM statement is a non-executable statement and stands for remarks. CLS statement is used to clear the screen. END statement is used to end the program execution.

How do I write a Qbasic program?

Creating a Program Using the QBASIC Editor Click the Start button to display the Start menu. Point to Programs. Choose MS-DOS Prompt and an MS-DOS Prompt window opens. At the C:\> prompt (or at the C:\Windows> prompt), type QBASIC and press the ENTER key and the QBASIC editor appears.

How to draw a line in QBasic screen 13?

This is the introduction to QBasic drawing. SCREEN 13 is used within this tutorial. Line, Box, Box Fill, Paint and Circle will be shown. Category Science & Technology Show moreShow less Loading… Advertisement AutoplayWhen autoplay is enabled, a suggested video will automatically play next. Up next

Which is the first Graphics Command in QBasic?

So, let’s look at our first graphics command, LINE. It’s kind of like locate, but it has a different range of coordinates allowed, and needs 2 sets of numbers – of course, since it draws a line; a line must start somewhere, and go somewhere. Also, you give it what color you want the line to be For example: Line (0,0) – (639,0), 1

How do you make a circle in QBasic?

Next command: Circle Circle needs at least 4 parameters. Where to put it (an x & y), a size (or radius), and a color. Like so: Circle (320, 240), 10, 4 Circle (320, 240), 50, 3 You should see a little red circle in about the center of the screen, with a much bigger light blue circle around it. Pretty simple, so let’s move on. Now for Paint

How to make a solid box in QBasic?

If you want a box, write B after the color: Line (0,0)-(10,90),5,B will make a tall purple rectangle in the upper left corner of the screen. This, however is an empty box. If you say BF ranther than just B it will make a solid box (in this case, it would be a solid purple rectangle in the upper left corner instead)