Computer Programming in QBASIC

Subject: Computer

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Overview

QBASIC is the most popular high-level programming language. This note provides an information about computer programming in QBASIC.
Computer Programming in QBASIC

The full form of QBASIC is Quick Beginners All-purpose Symbolic Instruction Code. QBASIC is the most popular high-level programming language. Various versions of BASIC have been developed by Microsoft Company. This language is quite simple to understand and has been adopted by most of the microcomputers. It is suitable for both mathematical and business problems. It is compatible with MS-DOS environment and it has two basic files QBASIC.EXE and QBASIC.HLP. We can edit, debug and execute the program using these two files.

Advantages of QBASIC

  • QBASIC is easy to learn and fun to practice program. It may be called a "People's language".
  • It is available almost for every computer from micro-computer to mainframe. Therefore, a program developed in a micro-computer can run on a bigger system with minor modifications.
  • It is suitable for mathematical and business application.
  • Program development cycle is quick, debugging is simple, and
  • Modification of the program is quite easy.

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Starting QBASIC(from DOS)

  • Turn on the computer.
  • Click on 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:
Things to remember
  • QBASIC is the most popular high-level programming language.
  • QBASIC is easy to learn and fun to practice. It may be called a "People's language".
  • Modification of the program is quite easy by the help of Qbasic.
  • It includes every relationship which established among the people.
  • There can be more than one community in a society. Community smaller than society.
  • It is a network of social relationships which cannot see or touched.
  • common interests and common objectives are not necessary for society.
Videos for Computer Programming in QBASIC
QBasic - Getting Started
Questions and Answers

The advantages of QBASIC are:

  1. QBASIC is easy to learn and fun to practice. It may be called a "People's language".
  2. It is available almost in every computer from micro to mainframe. Therefore, a program developed in a micro can run on thebigger system with minor modifications.
  3. It is suitable for mathematical and business application.
  4. Program development cycle is quick, debugging is simple, and
  5. Modification of a program is quite easy.

QBASIC is the most popular high-level programming language developed by Microsoft which is very easy to learn and develop programmes.

Any two basic files used in QBASIC are as follows:

  • QBASIC.EXE
  • QBASIC.HLP
CLS a$ = "nepal" a$ = LCASE$(a$) or a$ = UCASE$(a$) ' if you use UCASE$(a$) then type (w$ = "A" OR w$ = "E" OR w$ = "I" OR w$ = "O" OR w$ = "U" OR)' FOR P = 1 to LEN(a$) w$ = MID$(a$, P, 1) IF w$ = "a" OR w$ = "e" OR w$ = "i" OR w$ = "o" OR w$ = "u" OR THEN v$ = v$ + w$ END IF NEXT P PRINT "The vowel character are "; v$ END
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