Since Android devices are usually battery-powered, Android is designed to manage memory (RAM)
to keep power consumption at a minimum, in contrast to desktop
operating systems which generally assume they are connected to unlimited
mains electricity.
When an Android application is no longer in use, the system will
automatically suspend it in memory; while the application is still
technically "open", suspended applications consume no resources (for
example, battery power or processing power) and sit idly in the
background until needed again. This brings a dual benefit by increasing
the general responsiveness of Android devices, since applications do not
need to be closed and reopened from scratch each time, and by ensuring
that background applications do not consume power needlessly.[74][75]
Android manages the applications stored in memory automatically: when memory is low, the system will begin killing applications and processes that have been inactive for a while, in reverse order since they were last used (oldest first). This process is designed to be invisible to the user, so that users do not need to manage memory or the killing of applications themselves.[76][77] Lifehacker reported in 2011 that third-party task killers were doing more harm than good.[78]
Android manages the applications stored in memory automatically: when memory is low, the system will begin killing applications and processes that have been inactive for a while, in reverse order since they were last used (oldest first). This process is designed to be invisible to the user, so that users do not need to manage memory or the killing of applications themselves.[76][77] Lifehacker reported in 2011 that third-party task killers were doing more harm than good.[78]
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