Sir please give arm 7 lpc2148 advantage and disadvantages

ARM stands for Acorn RISC machine is a family of instruction set architectures for computer processors based on a reduced instruction set computing (RISC) architecture. And in simple word ARM is “Processor Achitecture “.

Many of newbiees and students have misunderstanding that ARM is microcontroller or processor, but actually ARM is Architecture which is used in many processors and microcontrollers.

Short History of ARM ?
The British computer manufacturer Acorn Computers first developed ARM in the 1980s to use in its personal computer. The official Acorn RISC Machine project started in October 1983 ARM is a family of instruction set architectures for computer processors based on a reduced instruction set computing (RISC)architecture developed by British company ARM Holdings.

About ARM –
Over the last few years, the ARM architecture has become the most popular 32-bit architecture in the world, with wide range of ICs available from various IC manufacturers. ARM7 & Cortex series is largest success of ARM . ARM processors are embedded in products ranging from cell/mobile phones to automotive braking systems. A worldwide community of ARM partners and third-party vendors has developed among semiconductor and product design companies, including hardware engineers, system designers, and software developers.