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Questions and Answers
The SOUND statement is used to produce a sound through the computer's Hardware Driver.
The SOUND statement is used to produce a sound through the computer's Hardware Driver.
False (B)
The PSET statement is used to set the color of a pixel at a specific _______________ and _______________.
The PSET statement is used to set the color of a pixel at a specific _______________ and _______________.
X-coordinate, Y-coordinate
What is the purpose of the color statement in QBASIC?
What is the purpose of the color statement in QBASIC?
- To open a .wav file
- To display text on the screen
- To set the foreground and background colors (correct)
- To play a musical string
What is the effect of reverberation known as?
What is the effect of reverberation known as?
Which of the following statements is a syntax of the LINE command?
Which of the following statements is a syntax of the LINE command?
In computer graphics, a pixel or pel is the smallest addressable element in a display device.
In computer graphics, a pixel or pel is the smallest addressable element in a display device.
The PLAY statement is used to produce a musical string using a series of _______________, _______________, and _______________.
The PLAY statement is used to produce a musical string using a series of _______________, _______________, and _______________.
Match the following QBASIC statements with their functions:
Match the following QBASIC statements with their functions:
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Study Notes
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)orLINE (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.
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