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The LTE Elite series was Compaq's first product with slots for PC Cards (known contemporaneously as PCMCIA cards, after the association who founded the card standard). [14] Unlike other vendor's implementation of PC Cards, the LTE Elite's was largely plug and play, allowing cards to be removed and new cards to be inserted without rebooting the ...
Nonvolatile BIOS memory refers to a small memory on PC motherboards that is used to store BIOS settings. It is traditionally called CMOS RAM because it uses a volatile, low-power complementary metal–oxide–semiconductor (CMOS) SRAM (such as the Motorola MC146818 [1] or similar) powered by a small battery when system and standby power is off. [2]
Computer monitor, radar display: No CRT self-contained rear-projection Flat lenticular: 80 [4] 203 TV: Yes CRT front projection: Flat (limited only by brightness) TV or presentation No Plasma display: Flat 152 [5] 386 TV, computer monitor (In some early "portable" computers. They required too much power for battery-powered laptops) [6] [7] [8 ...
The WideNote M4000 received mixed, mostly positive, reviews. Writing in CNET, Brian Nadel called the machine limited by its 1.5 GB RAM ceiling and lack of built-in gigabit Ethernet but praised the brightness and fidelity of the screen, battery life, and range of its Wi-Fi antenna. [16]
Memory refresh is a background maintenance process required during the operation of semiconductor dynamic random-access memory (DRAM), the most widely used type of computer memory, and in fact is the defining characteristic of this class of memory. [2]
As with overall performance, a lot of other factors influence the length of a battery’s life, including the efficiency of the device as a whole, and the size and brightness of the screen.
The PC-7000 eschewed the PC-5000's clamshell design, battery operation, and lighter weight—19 pounds (8.6 kg) for the PC-7000 versus the PC-5000's 11 pounds (5.0 kg). The compromise was an LCD display with electroluminescent backlighting, as well as an increased display line count—25 for the PC-7000 versus the PC-5000's eight.
Dynamic random-access memory (dynamic RAM or DRAM) is a type of random-access semiconductor memory that stores each bit of data in a memory cell, usually consisting of a tiny capacitor and a transistor, both typically based on metal–oxide–semiconductor (MOS) technology. While most DRAM memory cell designs use a capacitor and transistor ...