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Laptops can be modified much like a typical computer case. While most laptop mods consist of new paint or other finishes, others have chosen to engrave or cut out designs into their laptop cover (usually behind the screen). Laptops may also be turned into digital photo frames. These types of mods will typically void the warranty of the device ...
HP's first Chromebook, and the largest Chromebook on the market at that time, was the Pavilion 14 Chromebook launched February 3, 2013. [155] It had an Intel Celeron 847 CPU and either 2 GB or 4 GB of RAM. Battery life was not long, at just over 4 hours, but the larger form factor made it more friendly for all-day use.
zswap is a Linux kernel feature that provides a compressed write-back cache for swapped pages, as a form of virtual memory compression. Instead of moving memory pages to a swap device when they are to be swapped out, zswap performs their compression and then stores them into a memory pool dynamically allocated in the system RAM.
In computer science, read–modify–write is a class of atomic operations (such as test-and-set, fetch-and-add, and compare-and-swap) that both read a memory location and write a new value into it simultaneously, either with a completely new value or some function of the previous value.
Both the Dell Inspiron 580 and Dell Inspiron 580s have one 5.25-inch bay for an optical drive, one 3.5-inch FlexBay for an optional Media Card Reader and two 3.5-inch bays for SATA hard drives that are internally accessible. The Dell Inspiron 580 uses a 300W power supply while the Dell Inspiron 580s uses a 250w power supply.
Hot swapping may be used to add or remove peripherals or components, to allow a device to synchronize data with a computer, and to replace faulty modules without interrupting equipment operation. A machine may have dual power supplies , each adequate to power the machine; a faulty one may be hot-swapped.
However, zswap always requires a backing store, which is not the case for zram. When used for swap, zram (like zswap) allows Linux to make more efficient use of RAM, since the operating system can then hold more pages of memory in the compressed swap than if the same amount of RAM had been used as application memory or disk cache.
In computer operating systems, memory paging is a memory management scheme that eliminates the need for contiguous memory allocation. [1]It is often combined with the related technique of allocating and freeing page frames and storing pages on and retrieving them from secondary storage [a] in order to allow the aggregate size of the address spaces to exceed the physical memory of the system. [2]