Descriptive Type Questions
1. What is the use of INPUT statement? What does a computer do when we use INPUT statement ?
Ans. The INPUT statement in QBasic is used to accept the data item from the user and store it in a variable. When the computer executes the INPUT statement, it displays a question mark asking the user to enter the required values.
2. What is the use of PRINT statement using TAB function ?
Ans. The PRINT statement with TAB function is used print tabular type of results. It prints the values at a particular column position.
For eg : PRINT TAB(18) ; “ GOOD EVENING “ prints the text “GOOD EVENING “ at the 18th Column position in screen.
3. Differentiate the use of PRINT statement with comma and semicolon by using examples.
| PRINT with Comma | PRINT with Semicolon |
| It displays the values one after another with plenty of spaces in between. In case there are more than 5 values , it prints the remaining values on the next line. | It displays the values one after another without any space in between. |
4. Define the conditional statement IF-THEN-ELSE.
Ans. IF-THEN-ELSE is a conditional decision making statement . If the condition given after IF is True , the statement(s) specified after THEN is executed. But if the condition is False, the statement(s) after ELSE is processed.
Syntax : IF (condition) THEN <statement 1> ELSE <statement 2>
5. What is the use of GOTO statement? Explain with example.
Ans. GOTO statement is used to transfer the program control from one statement to another unconditionally.
Syntax : [ Line No. ] GOTO < Line No. >
Computer Notes 2019-20 