A4Tech Mouse Computerprice in bd

A computer mouse is an input device that allows you to move a pointer (cursor) on the screen and interact with graphical elements (icons, menus, windows, etc.).

You use it to click, double-click, drag and drop, scroll, sometimes right-click for context menus.

How it works

There are both old and new types of mechanisms:

Ball / mechanical mice: These had a rubber or metal ball inside; when you moved the mouse, the ball would spin, moving rollers inside, which converted the motion into signals. Needs cleaning, can wear out.

Here are some common variations:

Type Features / Advantages and Disadvantages

Wired direct connection (USB or older ports). Usually less lag, no batteries required.

Uses wireless radios (such as 2.4 GHz dongles) or Bluetooth. The cleaner the desk, the more freedom of movement.

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