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The CMOS still utilizes RAM but it is being rapidly replaced with EEPROM in today’s time. EEPROM is a small chip that data can be written and re-written to with codes.…
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1. What happens to the volatile memory when the power is lost? –RAM is deleted…
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RAM is the random access memory and it is volatile. It holds program instructions and data. The CPU can find…
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8) What feature is used on memory slots and modules to prevent modules from being inserted incorrectly?…
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Nothing like the main memory (RAM), ROM remembers its data even when the computer is powered off.…
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size of the CMOS memory has also pretty much stayed the same because there is no…
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Processor Transistor count Date of introduction Manufacturer Process Area Intel 4004 2,300 1971 Intel 10 µm 12 mm² Intel 8008 3,500 1972 Intel 10 µm 14 mm² MOS Technology 6502 3,510[1] 1975 MOS Technology 8 μm 21 mm² Motorola 6800 4,100 1974 Motorola 6 μm 16 mm² Intel 8080 4,500 1974 Intel 6 μm 20 mm² RCA 1802 5,000 1974 RCA 5 μm 27 mm² Intel 8085 6,500 1976 Intel 3 μm 20 mm² Zilog Z80 8,500 1976 Zilog 4 μm 18 mm² Motorola 6809 9,000 1978 Motorola 5 μm 21 mm² Intel 8086 29,000 1978 Intel 3 μm 33 mm² Intel 8088 29,000 1979 Intel 3 μm 33 mm² Intel 80186 55,000 1982 Intel 3 μm Motorola 68000 68,000 1979…
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The size of the CMOS memory has also pretty much stayed the same because there is no need to increase the size. There was never any need to store more than 512 bytes in the memory as it holds the absolute basic boot settings for the system. The typical size is still 512 bytes currently. All it comes down to is “If it isn’t broken don’t fix it.”, so it’s been that way since almost the very beginning. It does its job which is to just get the computer started and make sure everything is in place and then hands it all over to the computers.…
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Based on the reading from Moore’s Law; the number of transistors and integrated circuits double every two years.…
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There are two types of memory which we need and use on our computers one of them is RAM and the other one is cache.…
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Internal Memory - Cache memory is a added memory system that temporarily stores frequently used instructions and data for quicker processing by the central processor of a computer.…
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1. Examine the following motherboard. One interesting thing you will see is the use of two BIOS chips. The M-BIOS chip is the Main BIOS chip and the B-BIOS chip is the Backup BIOS chip, which is used to rewrite the M-BIOS chip if it becomes corrupted. (Refer to the high-resolution imges for closer inspection.)…
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The CMOS technology kept evolving acquiring more capacity at the same time that the chip that was embedded in became smaller. The CMOS technology power requirement has reduced with every generation chip. Until 2008 most CMOS memory required a small amount of constant power. In that year Virage Logic Corp. released an embedded multi-time programmable non-volatile memory emPROMP that can storage 1Mbit. Modern computers use flash ROM to store the CMOS settings, and do not require an external battery. The Norwegian developer of printable memory and California’s Xerox PARC announced the development a working prototype of the world’s first printed non-volatile memory CMOS chip. The combination of polymer-base memory with transistor technology resulted in CMOS chips that can be printed in a roll. These memory chips are rewritable and do not require external power source. These memory chips can be produce at such small size that in a near future could be integrated in to anything from price tags to groceries packaging information labels. This is the future of CMOS memory today.…
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To allow the user to alter the CMOS settings, the BIOS provides a little program,…
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Abstract— Before the CMOS process is scaled into deep sub-micron process, dynamic energy loss has always dominated power dissipation, while leakage power is little. The aggressive scaling of device dimensions and threshold voltage has significantly increased leakage current exponentially, thus the MOS devices will no longer be totally turned-off anymore. The power dissipation caused by leakage current can’t be neglected anymore, which attracts extensive attentions. Based on the fact that PMOS transistors have an order of magnitude smaller gate leakage than NMOS ones, it is used for designing circuit for reducing gate leakage power. Series of iterative steps are carried out to find the design perspective effect in different technologies.…
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