Question

a black large area in screen

Answer 1

are u asking about the black screen of Q basic

Qbasis comes in two basic colours:
# Black
# White

if u are asking about the Qbasis graphics:

§  A graphic is an image or visual representation of an object.

§  Graphics on the screen can be drawn with the help of predefined commands called as Graphic Statements in QBASIC.

§  Before learning the various Graphic Statements, let us understand the meaning of a Pixel and Screen Resolution.

§  A Pixel (px) is the smallest portion of an image or picture on the computer screen.

§  The maximum number of pixels that can be displayed vertically or horizontally on a computer screen is termed as Screen Resolution.

§  For Example: A Screen Resolution 640 * 480 for an image would mean 640 pixels in horizontal direction and 480 pixels in a vertical direction.

hope you have understood
if you have any doubt reply me back I will solve your doubts