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Title: Computer Hardware
Description: Overview of Computer Hardware: Introduction to Basic Terms & Concepts
Description: Overview of Computer Hardware: Introduction to Basic Terms & Concepts
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Clinical Informatics Academy
Overview of Computer Hardware:
Introduction to Basic Terms &
Concepts
Fusheng Wang PhD
David A Gutman MD PHD
Clinical Informatics Academy
Goals of Lecture
•Provide very brief overview of certain terms and
concepts that may be used throughout the day
•Begin our ascent up the tower of Babel of Informatics
Clinical Informatics Academy
CPUs
• Serves as the basic computation engine (brain) for
the machine
• Intel and AMD make processors used in most
healthcare applications
• Many machines now have “multi-core”, meaning a
single chip contains several individual CPUs
• More cores != faster performance unless underlying
programs can work in parallel
Clinical Informatics Academy
Serial vs Parallel Operations
• Have a 1 million line document and want to count #
of times “diabetes” appear
• Can start from the top…
...
g
...
g
...
114
...
121 - - [16/May/2011:08:44:09 -0400] "GET //scripts/setup
...
1" 404 302 "-" "Mozilla/4
...
0; Windows 98)"
85
...
135
...
php HTTP/1
...
0 (compatible; MSIE 6
...
114
...
121 - - [16/May/2011:08:44:09 -0400] "GET //admin/pma/scripts/setup
...
1" 404 312 "-" "Mozilla/4
...
0; Windows 98)"
85
...
135
...
php HTTP/1
...
0 (compatible; MSIE 6
...
114
...
121 - - [16/May/2011:08:44:10 -0400] "GET //db/scripts/setup
...
1" 404 305 "-" "Mozilla/4
...
0; Windows 98)"
85
...
135
...
php HTTP/1
...
0 (compatible; MSIE 6
...
114
...
121 - - [16/May/2011:08:44:10 -0400] "GET //myadmin/scripts/setup
...
1" 404 310 "-" "Mozilla/4
...
0; Windows 98)"
85
...
135
...
php HTTP/1
...
0 (compatible; MSIE 6
...
114
...
121 - - [16/May/2011:08:44:11 -0400] "GET //mysqladmin/scripts/setup
...
1" 403 317 "-" "Mozilla/4
...
0; Windows 98)"
85
...
135
...
php HTTP/1
...
0 (compatible; MSIE 6
...
114
...
121 - - [16/May/2011:08:44:11 -0400] "GET //phpadmin/scripts/setup
...
1" 404 311 "-" "Mozilla/4
...
0; Windows 98)"
85
...
135
...
php HTTP/1
...
0 (compatible; MSIE 6
...
114
...
121 - - [16/May/2011:08:44:12 -0400] "GET //phpmyadmin/scripts/setup
...
1" 403 317 "-" "Mozilla/4
...
0; Windows 98)"
85
...
135
...
php HTTP/1
...
0 (compatible; MSIE 6
...
114
...
121 - - [16/May/2011:08:44:12 -0400] "GET //phpmyadmin2/scripts/setup
...
1" 404 314 "-" "Mozilla/4
...
0; Windows 98)"
85
...
135
...
php HTTP/1
...
0 (compatible; MSIE 6
...
114
...
121 - - [16/May/2011:08:44:12 -0400] "GET //web/phpMyAdmin/scripts/setup
...
1" 404 317 "-" "Mozilla/4
...
0; Windows 98
85
...
135
...
php HTTP/1
...
0 (compatible; MSIE 6
...
114
...
121 - - [16/May/2011:08:44:13 -0400] "GET //web/scripts/setup
...
1" 404 306 "-" "Mozilla/4
...
0; Windows 98)"
85
...
135
...
php HTTP/1
...
0 (compatible; MSIE 6
...
114
...
121 - - [16/May/2011:08:44:13 -0400] "GET //websql/scripts/setup
...
1" 404 309 "-" "Mozilla/4
...
0; Windows 98)"
85
...
135
...
php HTTP/1
...
0 (compatible; MSIE 6
...
114
...
121 - - [16/May/2011:08:44:14 -0400] "GET //phpMyAdmin/scripts/setup
...
1" 403 317 "-" "Mozilla/4
...
0; Windows 98)"
85
...
135
...
php HTTP/1
...
0 (compatible; MSIE 6
...
114
...
121 - - [16/May/2011:08:44:14 -0400] "GET //php-my-admin/scripts/setup
...
1" 404 315 "-" "Mozilla/4
...
0; Windows 98)"
85
...
135
...
2
...
php HTTP/1
...
0 (compatible; MSIE 6
...
F
...
Clinical Informatics Academy
SQL (2)
• Data Definition Language (DDL), defines properties
of data objects
...
g
...
3
...
1
...
1
...
1
...
3
...
3
...
16
...
1
...
6
...
Post operative diagnosis: same
...
Clinical Informatics Academy
Specialized DBMSs
Special data models/data types/queries:
• XML DBMS: manage XML data directly in XML model
and query language
• e
...
: DB2 pureXML, Oracle XML DB
• Spatial DBMS: manage location related information
...
g
...
g
...
e
...
: what drugs have been prescribed
with Proventil?
• TeraData, DB2 TemporalDB
Parallel DBMS: use data partitioning and parallel data
access to increase I/O bandwidth for scalability
– Oracle RAC, DB2 DPF, DB2 pureScale, TeraData
XML Schema
UML Model
Data Analysis
Applications
(MATLAB, SAS…)
Loading Manager
Image
Analysis
Algorithms
Data Mapping
Analytical
Workflow
ZIP
Quality Control
PAIS
Document
Generator
Database Schema
Parallel Database
Data Staging
Clinical Informatics Academy
Example Database: PAIS
Image
Viewer
Application
Server
PAIS Data Repository
Clinical Data
caGrid
Service
Molecular & Genetic
Annotation
Pathology
Image
Database
Image Data
Management
Clinical Informatics Academy
Questions?
Title: Computer Hardware
Description: Overview of Computer Hardware: Introduction to Basic Terms & Concepts
Description: Overview of Computer Hardware: Introduction to Basic Terms & Concepts