Development of the microprocessor


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Development of a Microprocessor:

Development of a Microprocessor A microprocessor is an integrated circuit (or circuits) linked together that contain the functions of the computer’s CPU. It is a device that is programmed to accept data and process it according to instruction and give back the results as the output.

Silicon MicroChip:

The silicon chip was invented in 1961 by two American electrical engineers (Jack Kilby and Robert Noyce). Their creation revolutionised and miniaturised technology and paved the way for the development of the modern computer. Silicon MicroChip


Intel has significant importance in the development of the microprocessor as they contributed ideas and design specifications to this new generation of chips. Intel - The 1968 Intel logo used until Dec 2005


The intel 4004 (1971) was the first microprocessor . It took the integrated circuit down one step further by placing all the parts that made a computer think (CPU, memory, input and output controls) on one small chip. This was originally designed to be used in the Busicom Calculator. With the development of this, the use of new computer systems trickled down to the common man. M icroprocessor


The second generation microprocessors was the Intel 8008 (Originally named 1201 ) . Introduced in 1974 and originally used in Altair 8800 (which was a microcomputer), Traffic light controller, cruise missile and certain industrial machines. This could execute up to 100,000 instructions per second, and the 8008-1, which could execute up to 160,000 instructions per second. M icroprocessor


The Intel 80386 (1985) was Intel’s first 32-bit chip, the 386 had 275,000 transistors – over 100 times that of the 4004. Versions of the 386 eventually reached 40Mhz. The 386SL version was intended for mobile computers. Microprocessor


The Intel Pentium (1993) was a radical overhaul of Intel’s x86 line, introducing superscalar processing. Starting at 60Mhz but eventually reaching 300Mhz, the Pentium had 3,100,000 transistors, later (in 1995) Intel introduced the Intel Pentium Pro which introduced out-of-order execution and L2 cache inside the same package. Microprocessor


The next microprocessor worth mentioning is the Intel Pentium 4 (2000), this was a major re-design and it introduced the Intel’s Netburst architecture. It was clocked at 1.4Ghz initially, rising to 3.8Ghz and had 42 million transistors. Microprocessor


The I ntel Pentium-M (Centrino) (2003) was designed for laptops and formed the core of Intel’s first Centrino platform. It had 77 million transistors and was clocked from 900 MHz. Microprocessor


The Intel Xeon processor E5 (2015) is the latest in microprocessors by Intel with up to 18 cores as well as well as up to 2400 Max Memory Speed, and this provides high-density, energy-efficient computer resources to support large workloads in data centers and clouds. Microprocessor

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