Search results
Results from the WOW.Com Content Network
As the cost of computer power to the consumer falls, the cost for producers to fulfill Moore's law follows an opposite trend: R&D, manufacturing, and test costs have increased steadily with each new generation of chips. The cost of the tools, principally EUVL (Extreme ultraviolet lithography), used to manufacture chips doubles every 4 years. [44]
A test with DDR and DDR2 RAM in 2005 found that average power consumption ... DDR1 memory's prices substantially increased from Q2 2008, while DDR2 prices declined ...
Consequently, the proportion of die allocated to the memory array itself has decreased over time: from 70–78% for SDRAM and DDR1 to 47% for DDR2, 38% for DDR3, and potentially less than 30% for DDR4. [46] The specification defined standards for ×4, ×8 and ×16 memory devices with capacities of 2, 4, 8 and 16 Gbit. [1] [47]
DRAM SO-DIMM. In 2002, the United States Department of Justice, under the Sherman Antitrust Act, began a probe into the activities of dynamic random-access memory (DRAM) manufacturers in response to claims by US computer makers, including Dell and Gateway, that inflated DRAM pricing was causing lost profits and hindering their effectiveness in the marketplace.
Historical lowest retail price of computer memory and storage Electromechanical memory used in the IBM 602, an early punch multiplying calculator Detail of the back of a section of ENIAC, showing vacuum tubes Williams tube used as memory in the IAS computer c. 1951 8 GB microSDHC card on top of 8 bytes of magnetic-core memory (1 core is 1 bit.)
1.8×10 1: ENIAC, first programmable electronic digital computer, 1945 [2] 5×10 1: upper end of serialized human perception computation (light bulbs do not flicker to the human observer) 7×10 1: Whirlwind I 1951 vacuum tube computer and IBM 1620 1959 transistorized scientific minicomputer [2]
HAL Computer Systems: 101–118 MHz 64 400 nm - 1995 Pentium Pro: Intel: 150–200 MHz 32 350 nm: 5.5 1996 Alpha 21164A: DEC: 400–500 MHz 64 350 nm 9.7 1995 S/390 G3: IBM - 32 - 1996 K5: AMD: 75–100 MHz 32 500 nm 4.3 1996 R10000: MTI: 150–250 MHz 64 350 nm 6.7 1996 R5000: QED: 180–250 MHz - 350 nm 3.7 1996 SPARC64 II: HAL Computer ...
In a time-sharing system, multiple teleprinter and display terminals let many people share the use of one mainframe computer processor, with the operating system assigning time slices to each user's jobs. This was common in business applications and in science and engineering.