Pictures on the television screen are made up of: 

(A) Colours

(B) Pixels

(C) Lines

(D) Waves

Correct Ans: (B)

Explanation: –

Television screens create pictures using pixels, which are tiny dots of light or color. Each pixel combines red, green, and blue light in varying intensities to form the complete image. The arrangement and brightness of these pixels determine the clarity and resolution of the picture. Television technology relies on pixels to display detailed visuals effectively.