Comparing computers  

Helping others realize their vision.

 

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Shopping for a computer can be a confusing or even traumatic experience. Here's some help on the criteria to use for comparing computers:

  Criterion Explanation Typical Desktop Typical Laptop
Basic criteria CPU Speed Speed at which the computer executes program instructions 1.8Ghz 1.8Ghz
RAM 
(Random Access Memory)
Amount of short term memory 1Gb-2Gb 1Gb-3gb
Hard disk space Amount of long term memory 250Gb 160Gb-320Gb
Other internal options Modem  Connects to telephone dial-up network 56Kbps 56Kbps
Network adapter
(aka NIC or Ethernet card)
Connects to high-speed local area network (LAN) 100Mbps 100Mbps
Parallel port(s) Connects to old style printers 1 0
Serial port(s) Connects to old style devices such as modems and some printers 1 1
USB ports Connects to USB devices such as printers, scanners, and special devices 4 2
Monitor Display technology CRT - old and clunky
LCD - thin but not hard to see in bright light
CRT LCD
Maximum resolution Expressed in horizontal and vertical pixels 1280x1024 1280x1024
Dots per inch The more the better    
Screen size Usually measured in diagonal inches (from left top to right bottom of viewable area) 17 inch 15.4 inch
Refresh rate The faster the better for video games. Slow rates can cause a trail of "ghost" images when things move fast across the screen. 10ms 5ms
 

 

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Copyright 1996-2008 Pelt Industries. All Rights Reserved.
Last modified: March 26, 2015