Question

Which part of a computer helps us to draw pictures on the screen​

Answer 1

Explanation:

The CPU uses the monitor to show us photos, movies and games. The front portion of the monitor is called the screen.

Answer 2

Answer:

Light Pen

Explanation:

Light pens enables users to interact with the screen with pinpoint accuracy. It's main use is to select text, draw pictures and interact with elements on a computer screen or monitor. It detects changes in brightness of screen pixels when scanned by CRT i.e. cathode-ray tube electron beam, and communicates the timing of event to the computer.

The first light pen, also known as light gun, was made in 1945–1955 as a tool to be used in Whirlwind I project at MIT, where it was used to select discrete symbols on the screen.

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