Pentium II Processor
He Pentium II[1] brand refers to Intel's sixth-generation microarchitecture ("Intel P6") and x86-compatible microprocessors introduced on May 7, 1997. Containing 7.5 million transistors, the Pentium II featured an improved version of the first P6-generation core of the Pentium Pro, which contained 5.5 million transistors.
However, its L2 cache subsystem was a downgrade when compared to Pentium Pro's. In early 1999, the Pentium II was superseded by the Pentium III.

Pentium Pro Processor
Intel (INTEL), code-named P6 of the X86 processor (PROCESSOR), is the INTEL the first to use P6 micro-architecture (P6 MICROARCHITECTURE) processor, operating clock with 150 MHZ, 166 MHZ, 180 MHZ and 200 MHZ, etc. for 32-bit (BIT) program to optimize the design, 16 KB L1 cache (CACHE) is divided into instruction (INSTRUCTION) 8 KB, the information 8 KB, L2 cache built into the processor packaging, there are 256 KB, 512 KB with 1 MB and other options. PENTIUM PRO simulated as 16-bit instruction (INSTRUCTION) inhibit OUT-OF-ORDER microinstruction (MICRO-OP) in parallel (PARALLEL) handled to prevent the processor to enter an inconsistent state, PENTIUM PRO implementation of the 16 metaprogramming performance worse than the PENTIUM and PENTIUM PRO will join the package L2, so that can not raise the production yield, leading to higher costs, INTEL producing the same using the P6 MICROARCHITECTURE framework PENTIUM II when the switch SECC package to solve the yield problems.

Perl Practical Extraction and Report Language
Particularly suitable for dealing with the text of a programming language (POGRAMMING LANGUAGE), used to develop CGI programs, syntax similar to the C language.

Pervasive Computing Pervasive Computing
Pervasive computing is a general expansion of computing can create ubiquitous computing environment, including various mobile devices, such as automotive, cell phone, PDA and other smart devices.
The scope of pervasive computing can even be applied to consumer electronics devices, such as televisions, refrigerators, and even vending machines, public telephone and Internet home. The devices themselves have a simple computing capacity, while with the network, internal network or wireless network (Wireless) connectivity, so users can access information anytime and anywhere. The device's core systems are computer processors, most with small embedded system exists in, rather than desktop or laptop computer. In this case, there is essentially op-enabled devices can be everywhere, and penetrate to the people's daily life among the various dimensions; and when all the equipment can link to networks, information obtained will be easier. The links between the equipment to build out the application environment is basically called pervasive computing. And depth of operation (Deep Computing) the use of heavyweight supercomputer, computing large amount of information for pharmaceutical improvement or weather simulation is different from the application of pervasive computing goal is to "any time, any place, any device" (anytime, anywhere, any devices) and can easily obtain information to respond to.