Qbasic programming examples and exercises

Computer Programming in QBASIC

Qbasic programming language is a branch of Basic Programming, which is a third-generation language. it is mostly used by children or beginners in Programming.

Starting QBASIC(from DOS)

• Turn on the computer.
•  Click on the start button and get DOS prompt. 
• Change the directory to QBASIC.
•  C:\> CD QBASIC [Press Enter Key]
•  C:\> QBASIC > QB [Press Enter Key] 
• Now you will see the screen:

Qbasic programming examples and exercises 

Some Important Question solution about Qbasic programming.

Write a program to enter your name, city, country, age and print them.

CLS

Input " Enter the name ";N$

Input " Enter the city";C$

Input " Enter the country";CO$

Input " Enter the age";A

Print " The name is ";N$

Print " The city is ";C$

Print " The country is ";CO$

Print " The age is ";A

End

Sum of two numbers

CLS

REM To find Sum of two numbers

INPUT "Enter the first number"; a

INPUT "Enter the second number"; b

SUM = a + b

COLOR 5

PRINT TAB(5); "The sum of two number is"; SUM;

END

Write a program to find the area of the triangle.

Cls

Input " enter the base" ;b

Input " enter the height" ;h

let T = 1/2*b*h

Print" The area of triangle=" ;T

End

Write a program to find Area of Rectangle

Cls

Input " enter the length " ;l

Input " enter the breadth " ;b

let A = l*b

Print" the area of rectangle=" ;a

End

Write a program to find the volume of cuboid

CLS

REM To find volume of cuboid

INPUT "Enter the length" ; l

INPUT "Enter the breadth": b

INPUT "Enter the height" ; h

VOLUME = l * b * h

PRINT "The volume of cuboid is"; VOLUME

END

Write a program to find the volume of cube

CLS

REM To find volume of cube

INPUT "Enter the length" ; l

VOL = l ^3

PRINT "The volume of cube is" ; VOL 

END

Write a program to  find the area of circle

Cls

Input" Enter the radius " ;R

Let C=22/7*R^2

Print " The area of circle =" ;C

End

Write a program to find the area of circle if radius is 9 cm

CLS

REM To find the area of circle if radius is 9 cm

LET r = 9

LET PI = 3.14

AREA = PI * r ^ 2

PRINT "The area of circle is" ; AREA

END

Write a program to convert the weight from kilogram to pounds.

CLS

Input"Enter the weight in kilogram";K

Let P=K*2.2

Print "The pound is ";P

End

Write a program to input the student’s name, marks of any three subjects. Find total and percentage

CLS

REM “To find result”

INPUT "Enter the name of student" ; n$

INPUT "Enter the marks of English"; eng

INPUT "Enter the marks of Nepali" ; nep

INPUT "Enter the marks of Computer"; com

TOTAL = eng + nep + com

PER = eng + nep + com / 300 * 100

PRINT "Student’s name" ; n$

PRINT "Total marks of student" ; TOTAL

PRINT " Percentage of student"; PER

END

Write a program to convert the distance from miles to kilomiles.

Cls

Input " Enter the length in miles";M

Let K=M*1.6

Print" The length in kilo miles=";K

End

Write a program to find out the Simple Interest.

Cls

Input " Enter the Principal";P

Input " Enter the Rate";R

Input " Enter the Time";T

Let I = P*T*R/100

Print " The simple Interest = ";I

End