Wide Area Network also known as WAN
Answer:
Versatility refers to the capability of a computer to perform different kinds of works with same accuracy and efficiency.
Explanation:
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Answer:
'Single Character'
Explanation:
A Character, commonly abbreviated as "char", is a computer symbol, letter, or number. A keyboard is an input device that inputs a character when a key is pressed.
Answer: Close or disable all unused running apps.
Explanation: when unused apps keep runningon the device, it will make the device to keep lagging, thereby reducing it efficiency. But once those apps are disabled or closed and the system is probably restarted, the device will regain it efficiency back.