Mechanical mouse has a ball that turns rollers inside. If friction is lost between the ball and the mousing surface, or between the ball and the rollers, the mouse fails to work. In order to assure good contact with the mousing surface, the ball must be fairly heavy. When you change directions with the mouse, you must make the ball change rolling directions--an action that inertia likes to prevent.
An optical mouse makes use of an LED and some optics to detect surface texture and the changes in it as the mouse is moved. There are no moving parts
Wi-Fi is designed for medium range transfers up to 900 feet out doors. ANSWER: 900 feet
Abraham Lincoln was known as the Great Emancipator because of his actions both during and after the Civil War. Lincoln was opposed to slavery and wanted it abolished. However, many historians contend that, because he did not action his opposition to slavery, he does not deserve the title of the Great Emancipator. He was afraid of losing political support from the Southern States. He is main focus was on keeping the Union together. On the other hand, most of the historians believe that the title of the Great Emancipator is an apt title.
Answer:
Cyber crime is defined as a crime in which a computer is the object of the crime (hacking, phishing, spamming) or is used as a tool to commit an offense .
Explanation:
To assist in tasks in which you tell/want your computer to achieve.
