<span>B. users vote on the relevance of the source, which affects whether it will appear in future searches. </span>
<u>Lock your device screen when not in use and require a password to reactivate</u> is not a best practice to protect data on your mobile computing device.
<h3>What is a
mobile computing device?</h3>
Any device that was built using mobile parts, such as mobile hardware and software, is referred to as a mobile computing device. Portable devices that can function like a typical computing device in terms of operation, execution, and provision of services and applications are known as mobile computing devices.
Portable and handheld computing devices are other names for mobile computing devices.
Modern handheld devices that have the hardware and software needed to run common desktop and Web applications are generally referred to as mobile computing devices. Similar hardware and software elements found in personal computers, such as processors, random memory and storage, Wi-Fi, and an operating system, are also found in mobile computing devices. They are made specifically for mobile architecture and portability, which sets them apart from PCS.
Learn more about mobile computing devices
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I don't know if i understood correctly, but C++ can add numbers by using the + funciton. You could either use:
a = b + c
or
a = a + b
if you want to increment a variable.
