By Scott Mueller
Scott Mueller has lengthy been recognized for the standard of the non-public desktop reference books he writes. Upgrading and Repairing PCs, now in its twelfth version, continues to be appropriate at the same time the private computing industry is altering swifter than ever.
This e-book represents the main entire unmarried resource of knowledge on what was known as IBM-compatible computing device undefined. glance the following for info (useful to fix technicians) approximately processors (e.g. Intel's Itanium and AMD's Duron parts), reminiscence (e.g. RDRAM and DDR SDRAM), video playing cards, disk drives, detachable garage media of every kind, and community interface playing cards. If it plugs right into a workstation, Mueller addresses it.
A new emphasis on networking makes an visual appeal during this most recent version. while past models of the ebook kind of stopped on the laptop case, this one explores the know-how underlying cable modems, electronic Subscriber Line (DSL) connections and different high-speed info communications innovations. It additionally explains how you can make all of the custom-length Ethernet cables you want--a easy yet worthwhile addition. developers of domestic and small-office networks will most likely want for extra assurance of turnkey firewall undefined, yet for the reason that almost all these units should not in accordance with the computer platform, their absence is comprehensible. Mueller ties up the hardware-related dialogue in a well-illustrated bankruptcy on scratchbuilding a computer. it really is good paintings, even though it will were even higher if he'd spelled out "best of breed" elements by means of make and version. --David Wall
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At the time, semiconductor memory was going for about a dollar a bit, whereas core memory was about a penny a bit. ” By 1970, Intel was known as a successful memory chip company, having introduced a 1Kbit memory chip much larger than anything else available at the time. (1Kbit equals 1,024 bits, and a byte equals 8 bits. ) Known as the 1103 dynamic random access memory (DRAM), it became the world’s largest-selling semiconductor device by the end of the following year. By this time Intel had also grown from the core founders and a handful of others to more than 100 employees.
The idea was to design almost an entire computing device on a single chip that could perform different functions, depending on what instructions it was given. There was one problem with the new chip: Busicom owned the rights to it. Hoff and others knew that the product had almost limitless application, bringing intelligence to a host of “dumb” machines. They urged Intel to repurchase the rights to the product. While Intel founders Gordon Moore and Robert Noyce championed the new chip, others within the company were concerned that the product would distract Intel from its main focus, making memory.
By 1981, Intel’s microprocessor family had grown to include the 16-bit 8086 and the 8-bit 8088 processors. These two chips garnered an unprecedented 2,500 design wins in a single year. Among those designs was a product from IBM that was to become the first PC. In 1982, Intel introduced the 286 chip. With 134,000 transistors, it provided about three times the performance of other 16-bit processors of the time. Featuring on-chip memory management, the 286 was the first microprocessor that offered software compatibility with its predecessors.