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QBASIC Programs

Updated on January 28, 2013
The starting screen of QBASIC
The starting screen of QBASIC


Most of us know the application software called QBASIC (Quick Beginners’ All-purpose Symbolic Instruction Code), which is a high-level programming language. It is very simple, and is about 200 KB. It is much similar to Command Prompt as you require writing commands in QBASIC too to create and run programs of your own. Those programs are temporary, and can be of any type. You can make any type of Program using the statements and functions (commands).

I am going to share some of the interesting programs I have created, here:

1. Display the number of characters in the word entered by the user

CLS
INPUT “enter your desired word”;N$

PRINT LEN(N$)

END

2. Display the entered word by the user in a “right angled triangle” form

CLS
INPUT “enter a word”;W$

FOR I = 1 to LEN(W$)

PRINT LEFT$(W$, I)

NEXT I
END

3. Display any word entered by the user in reverse

CLS
INPUT “enter a word”;W$
LET A = LEN(W$)

FOR I = 1 to A

A = A – 1

PRINT MID$(W$, A , 1)

NEXT I
END


4. Display the entered word (s) in abbreviated form (esp. full name)

CLS
INPUT “enter your full name”;N$
PRINT LEFT$(N$, 1)

FOR I = 2 to LEN(N$)

LET X$ = MID$(N$, I , 1)

IF X$ = “ ” THEN PRINT MID$(N$, I + 1, 1); “.”;

NEXT I

END

5. Display the entered word in reverse form as well as in a decreasing order from left (inverted right angled triangle + reverse word)

CLS
INPUT “enter the desired word”;A$
FOR I = LEN(A$) to 1 STEP-1

FOR X = I to 1 STEP-1

PRINT MID$(A$, X , 1);

NEXT X
PRINT
NEXT I
END


6. Display the entered word in vertical order

CLS
INPUT “enter a word”;W$

FOR A = 1 to LEN(W$)

PRINT MID$(W$, A , 1)

NEXT A
END

7. Display first and last character of any word entered by the user

CLS
INPUT “enter any word”;W$
PRINT LEFT$(W$, 1)

PRINT RIGHT$(W$, 1)

END


8. Display the sum of the digits of the entered number by the user

CLS
INPUT “enter any number”;N
LET S = 0

TOP:

LET L = N MOD 10

LET S = S + L

LET N = N \ 10

IF N > 0 THEN GOTO TOP

PRINT “the sum of the digits of the number is:”;S
END

9. Display a colorful "I LOVE YOU" message

CLS
SCREEN 13
LOCATE 14, 25
PRINT "Cool, Isn't It?"
LOCATE 22, 1
PRINT "-Truly Yours"

I:
PSET (10, 10)
PSET (70, 10)
PSET (10, 90)
PSET (70, 90)

icenter:
PSET (40, 10)
PSET (40, 90)

LINE.i:

LINE (10, 10)-(70, 10), 5'horizontal top
LINE (10, 90)-(70, 90), 5'horizontal bottom
LINE (40, 10)-(40, 90), 5'verticaL

L:
LINE (110, 10)-(110, 60), 6
LINE (110, 60)-(140, 60), 6

CIRCLE (170, 25), 20, 2
V:
LINE (200, 10)-(215, 60), 9
LINE (215, 60)-(230, 10), 9

E:
LINE (245, 10)-(275, 10), 11
LINE (245, 10)-(245, 60), 12
LINE (245, 35)-(265, 35), 12
LINE (245, 60)-(275, 60), 11

YOU:

LINE (80, 110)-(100, 140), 3
LINE (100, 140)-(120, 110), 3
LINE (100, 140)-(100, 180), 4

O:
LINE (150, 110)-(135, 140), 8
LINE (135, 140)-(150, 180), 8
LINE (150, 180)-(170, 140), 8
LINE (170, 140)-(150, 110), 8

U:
LINE (180, 120)-(180, 175), 14
LINE (180, 175)-(185, 180), 14
LINE (185, 180)-(220, 180), 14
LINE (220, 180)-(225, 175), 14
LINE (225, 175)-(225, 120), 14

END

10. Display user's details with music playing

CLS
DEFSTR A, H, N
DEFLNG C-E 'deflng c to e
INPUT "enter your name"; N
INPUT "enter your date of birth"; D
INPUT "enter your address"; A
INPUT "enter your age"; e
INPUT "enter your class"; C
INPUT "enter your hobby"; h
PLAY "a b"
PRINT
PRINT "You will be getting your details in a few seconds"
PLAY " a b c a a d e"
PRINT
PRINT
PRINT "Name: "; N
PRINT "Date of Birth :"; D
PRINT "Address: "; A
PRINT "Age :"; e
PRINT "Class :"; C
PRINT "Hobby :"; h
PRINT
PRINT "THANK YOU!"
PLAY "a b c a a a a b"


END

(You can copy each program to a Notepad File, and save that file with the extension of “.bas” and drag it to the application file of QBASIC. After that, the home screen of QBASIC will appear, and the double quotes (“”) maybe changed to ö. You can change them back to double quotes again. Then you can press F5 to run the program)

Those were 8 interesting QBASIC programs that you can try to make your friends and families amazed!

Do you use QBASIC?

See results

Comments

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    • ronny2005 profile image
      Author

      ronny2005 2 years ago from HubPages

      Thank you very much for Qbasic andoid, but I wonder if the program created can be compiled to return autorun click on 'him.

      Thank you!!

      I could understand your comment a little after translating it on Google Translate. However, auto-run feature is something that needs scripting and it is not possible with QBASIC. Anyway, thank you for reading!

    • profile image

      Guido peña 2 years ago

      Muchas gracias por el Qbasic andoid, pero me gustaria saber si el programa creado se puede compilar para volverlo autoejecutable con hacer clic sobre 'el.

      Muchas gracias!!

    • profile image

      rojina 3 years ago

      how to generate 1234,123,123,12,1 please sir help me from the stick of my teacher

    • ronny2005 profile image
      Author

      ronny2005 5 years ago from HubPages

      As its name suggests, Quick Beginners' All-Purpose, it is very helpful for the ones new in programming. Thank you.

    • profile image

      raj 5 years ago

      is very awesome software for me !!!!!!!!!!!!!!!

      :)

      best of luck to make qbasic for psp

    • ronny2005 profile image
      Author

      ronny2005 6 years ago from HubPages

      There's GWBASIC too which came before QBASIC. I am glad you are gaining your interest in QBASIC. I will surely post new programs soon!

    • deegle profile image

      deegle 6 years ago from Ventura County California

      Been a while since I dabbled in a programming language. Years ago I learned one I think it was called wbasic, not sure of the name but it was an interesting way to learn beginning programming. Your hub renews my interesting in getting back to learning more programming. I really would like to see you post info on other programming languages. Thanks!

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