QBASIC and Audio File Formats

QBASIC Statements

• The color statement is used to display colors on the screen, taking two number values: the first for foreground color and the second for background color.
• The PSET statement is used to set a pixel on the screen, with the syntax PSET [X-coordinate, Y-coordinate, Color of Pixel].
• The PLAY statement is used to play a musical string, with the syntax PLAY 'String', where String represents a series of alphabets, numbers, and symbols that produce a musical string in terms of octaves, notes, and duration.
• The SOUND statement is used to produce a sound, with the syntax SOUND (frequency, duration), where frequency refers to the desired frequency of the sound in Hertz, and duration refers to the number of clock ticks the sound plays.

Graphics

• The word "graphics" is derived from the word "graph".
• The LINE statement is used to draw a line on the screen, with the syntax LINE (X1, Y1) - (X2, Y2) or LINE (X1, Y1) - (X2, Y2), COLOR, (B, BF).
• The CIRCLE statement is used to draw a circle on the screen.
• A pixel or pel is the smallest addressable element in a display device, representing a single point in a raster image or the smallest picture on the screen.
• The SCREEN statement is used to select various screen modes required to display computer graphics.

Sound

• The BEEP statement is used to play the system beep sound.
• The MUSIC statement is used to produce a sound to draw the attention of the user to an error.
• The effect of reverberation is known as "chorus".
• ATRAC3 (Adaptive Transform Acoustic Coding 3) should be installed to open a .wav file.

This quiz covers basic QBASIC statements and audio file formats. It tests your understanding of QBASIC syntax and audio file formats like ATRAC3.