Class 7 Chapter 16 I
Write very short answer of the following questions:
a. What is the default extension of QBASIC program file?
Ans: The default extension of QBASIC program file is .BAS.
b. Which short cut key is used to close QBASIC window?
Ans: Alt+F then press x key to close QBASIC window.
c. Is QBASIC a low-level programming language?
Ans: No, QBASIC is not low-level programming language
d. Write any two popular versions of QBASIC.
Ans: Two popular versions of QBASIC are: QBASIC 4.5, QBASIC 6.4
e. In which window of QBASIC do you type the program?
Ans: We used to type the program in the Program window of QBASIC.
5. Write short answers to the following questions.
a. What is QBASIC programming language?
Ans: QBASIC stands for Quick Beginners All-Purpose Symbolic Instruction Code. It is one of the most popular high-level programming languages developed by Microsoft Corporation, USA in 1985 AD.
b. Write any four features of QBASIC.
Ans: Four features of QBASIC are:
QBASIC has many features. Some features of QBASIC are given below.
QBASIC is interpreter based language, so it is easy to debug.
QBASIC checks syntax automatically
QBASIC supports various inbuilt functions.
QBASIC supports modular programming approach.
QBASIC is not case sensitive so, can be used in any case of letters.
c. What is the difference between immediate window and view window?
Ans: Immediate window is a small area located just below the program window. The commands or statements written in this area can be executed immediately by pressing Enter key.
View window is the largest blank area of the screen where we can type and execute programs. We can execute the program using F5 Keys.
d. What is meant by running a program?
Ans: Running or executing the program is the process of displaying output on the screen.
e. Why is QBASIC program easy to debug?
Ans: QBASIC is high level programming language it is simple and easy to understand because it uses English like words and commands so QBASIC program is easy to debug.
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