Hackaday

Computer Has One Instruction, Many Transistors

There’s always some debate around what style of architecture is best for certain computing applications, with some on the ...
EDN

A short primer on instruction set architecture

In computer science, an instruction set architecture (ISA) is an abstract model of a computer. It’s also referred to as architecture or computer architecture. Moreover, a central processing unit (CPU) ...
EDN

Building a 4-Bit Computer: The Instruction Set

The registers inside the CPU, the machine code instruction set, and the ways in which the instructions interact with the registers and status flags are all intertwined. As you may recall, one of my ...
Hackaday

Checking In On The ISA Wars And Its Impact On CPU Architectures

An Instruction Set Architecture (ISA) defines the software interface through which for example a central processor unit (CPU) is controlled. Unlike early computer systems which didn’t define a ...
Semiconductor Engineering

What Does RISC-V Stand For?

RISC-V (pronounced “risk-five”) stands for ‘reduced instruction set computer (RISC) five’. The number five refers to the number of generations of RISC architecture that were developed at the ...