ARM7TDMI or Cortex-M3 board - which should I consider?

If I have two ARM7TDMI core board and Cortex M3 core board, and I need to choose one of them to use. What should I consider the different between them and why?
How can I learn to build my own computer with Arm processors?

Hi dears. I am looking for a book explained how to make a computer by using Arm core processors?
New! EagleSoC Development Boards on Kickstarter

Some friends of ours at EagleSoC just launched a Kickstarter project for their cool PSoC 5LP-based development boards. These boards are a lower cost alternative to the Cypress Development Kits (CY8CKIT...
IoT boards which are compatible with wireless vibration sensors

I need suggestion for IoT boards which will easily compatible with gateway receiver which is receiving the data from Wireless vibration sensors and at same time also need to connect the sensor data with...
Which arm microcontroller to choose?

Hello everyone! I wanted to learn about the ARM microcontrollers....about the architecture and coding. Which microcontroller should I buy? I read somewhere that I should buy the STM32 discovery board...