Computer - Hardware

Card Puncher Data Processing


Hardware is a specific implementation of a computer architecture by following:

on a physical level by choosing adequate device and bus.

A line of processors may implement the same instruction set architecture and use nearly identical organizations but differs in hardware implementation. See example


Energy vs Performance

The Core i7 family provides two hardware model:

  • one for desktop computers that is more powerful but consumes more energy,
  • one for laptops that is less performant but more energy efficient

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Card Puncher Data Processing
Computer - Architecture (family)

Computer Architecture is a set of three components that describe: the functionality: Instruction Set Architecture design (highest-level) - runtime that implements a instruction set the organization:...
Card Puncher Data Processing
Computer - Capacity Planning (Sizing)

Capacity planning is the process of predicting a future system load in order to to determine the type of hardware required for a software. Capacity = the number of agents (m) = the number of parallel...
System Bus
Computer - Organization (microarchitecture)

A Computer Organization is a functional view of a computer in the computer architecture where: Hardware components are presented as boxes with input and output that connects to each other It describes...
Card Puncher Data Processing
Computer System

A computer is a device of device controlled by a special device called a CPU. It consists then of: at least a processor (CPU), a memory device where: primary storage holds data only temporarily,...
Application Kernel Assembler Firmware Hardware
OS - Kernel

In computing, the Kernel is the central component of most computer operating systems; it is a bridge between: the applications and the actual data processing done at the hardware level. The kernel...

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