computer hardware schematic

Graphics Resolution Table

EGA

640 x 480

VGA

1024 x 768

SVGA

1280 x 1024

Hi-Res

1600 x 1280

The von Neumann (CISC) architecture employs a single bus. CISC stands for Complex Instruction Set Computer. A single-bus system is illustrated.
The Harvard (RISC) architecture utilizes two busses - a data bus and a separate address bus. RISC stands for Reduced Instruction Set Computer.

Relationships are shown between the CPU, DRAM, local bus, and the peripherals which connect to the motherboard. The ISA bus, SCSI Bus, PCI bus and USB Bus are shown. Some typical computer parameters are given, along with a Graphics Resolution chart.

 vcc         O         |         /         \         /         \  EQUAL TO REQUIRED IMPEANCE         /  EX.= 1000 Ohm         \         |         |     CAPACITOR MOST ANY VALUE 10uF 16v |---|   |  + | / |   |---0----| |-------   AUDIO OUT |   |        | \ |   |----O-------------- |---|    |          |        -----         ---

If you are building this circuit it would be a good idea to add a switch to switch off the battery when you do not use the microphone. You should note that the output signal level of this microphone is noticable higher than the signal available form typical dynamic microphones so you have to turn down the gain in your microphone input (if there are no suitable adjustments then this higher level can cause distortion in microphone preamplifier more easily). The output impednace of this circuit is aroun 2 kohm so I don't recommend very long microphone cables to be used or you will loose some high frequency definition (few meters are o problem).

This microphone circuit was submitted by Lazar Pancic from Yugoslavia. The sound card for a PC generally has a microphone input, speaker output and sometimes line inputs and outputs. The mic input is designed for dynamic microphones only in impedance range of 200 to 600 ohms.

Network Topologies
Common network topologies include the bus topology, star, and ring. Learn more about these and other topologies in computer network design.
Visual Overview of the OSI Model
The OSI model provides a good conceptual framework for understanding the implementation of network protocol and services design. This page explains the OSI model through visual illustration.
Introduction to Area Networks
Besides LANs and WANs, other types of area networks like MAN and SAN also exist. Discover all the different forms of area networks and the roles they play in network design.
Network Design - Bandwidth and Latency
Two critical elements of network design are the bandwidth and latency a network supports.
Network Gateway
A network gateway joins two networks together through a combination of hardware and software



This web site is meant to help you answer those questions. There are guides on selecting the best computer parts, as well as tutorials on how to install the various components. You'll also find several product reviews covering the latest in computer technology.

It takes time to get understand computers - I've been meddling with computers myself for more than 15 years. But you need to be patient. The key thing is to read, learn and experiment - before long, you'll be building your own computers like the experts!

Build A Cheap Gaming Computer
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