Computer Architecture

The First Programmer

Ada Lovelace

Transistor

a solid-state device , made from silicon

ENIAC

First operational electronic general-purpose computer

Computer Architecture

how the operational units of a computer system interconnected

Memory

hold program and data for access of the CPU while processing is taking place

Data Movement

Computer must be able to move data for processing and data communication

Computer

A programable electronic device that can accept input , store data and retreive process and output information

Central Processing Unit

Control the operation of a computer and perform data processing function

I/O Module

Transfer data from external devices to CPU and memory ,and vice versa

Program Counter

contains the address of the current program instruction or the next instruction to be executed

Point to point bus

carries signals from a single specific source to a single specific destination

System Bus

A bus that connect major computer components

Data lines

provide a path for moving data among system modules

PCI Express

high speed bus system for connecting peripherals of a wide variety of types and speeds

Inboard memory

directly accessible by the processor

Outboard storage

accessible by processor via I/O module