Question

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Answer 1

Answer:

1) Rules for naming variables:

All variable names must begin with a letter of the alphabet or an. underscore( _ ). ...

After the first initial letter, variable names can also contain letters and numbers. ...

Uppercase characters are distinct from lowercase characters. ...

You cannot use a C++ keyword (reserved word) as a variable name.

2) QBasic Two-way Decision

The IF statement always asks a question (usually about the number in a variable). ...

If the answer is TRUE only the true-branch is executed.

If the answer is FALSE only the false-branch is executed.

No matter which branch was chosen, execution continues with the statement after the END IF .

3) Draws a line or rectangle on the screen.

Every statement should have at least one QBasic command word. ...  All the command words have to be written using some standard rules, which are called “Syntax Rules”. Syntax is the grammar of writing the statement in a language. Syntax Errors are generated when improper syntax is detected.

4)Bedtime mode

Bedtime mode is designed to help reduce eye strain before sleeping and to prevent your sleep from being disturbed. When Bedtime mode is enabled, the screen on your phone will appear to be in black and white and will continue to do so until the mode is turned off.

Explanation:

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Answer 2

Answer:

Rules for Naming Variables

The first character must be a letter or an underscore (_). You can't use a number as the first character. The rest of the variable name can include any letter, any number, or the underscore. You can't use any other characters, including spaces, symbols, and punctuation marks

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