CIS 1150 Introduction to Computers

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Chapter 1
Information Technology,
the Internet, and You
Professor Michael J. Losacco
CIS 1150 – Introduction to Computer Information Systems
Overview
Chapter
1
Explain Information System Parts
Distinguish Software Types
Define Application Types
Identify Computer Types
Describe Different Types of Hardware
Describe Different File Types
Explain Computer Connectivity
Explain the Internet
Explain Cloud Computing
2/20
Introduction
Chapter
1
Notable Technology Prognostications
“I think there is a world market for maybe five
computers.”
Thomas Watson, Chairman of IBM, 1943
“Computers in the future may weigh no more
than one and a half tons.”
Popular Mechanics, 1949
“There is no reason anyone would want a
computer in their home.”
Ken Olson, President of DEC, 1977
3/20
Introduction
Chapter
1
Computer Use
Everywhere
Impact Virtually Everyone
Creation, Collection, Dissemination
Price/Power
Competition
4/20
Introduction
Chapter
1
Computer Competency
Popular Application Packages
Internet
Parts of an Information System
5/20
Information Systems
Chapter
1
People
AKA End Users
Procedures
Guidelines for Hardware & Software Use
Software
Step-by-step Instructions for Computer
Hardware
Processes Data to Create Information
6/20
Information Systems
Chapter
1
Data
Raw, Unprocessed Facts
Connectivity
Share Information with Other Users
7/20
People
Chapter
1
Most Important Part of System
Uses
Business
Education
Entertainment
8/20
Software
Chapter
1
AKA Program
Series of Instructions
Tells Computer What to Do
9/20
Software
Chapter
1
Systems Software
Operates in “Background”
Manages Computer Internal Resources
Operating System
Coordinates Resources
Provides User Interface (UI)
Runs Applications
Utilities
Device Drivers
10/20
Software
Chapter
1
Application Software
Performs Tasks for End Users
General Purpose
Specialized
Focused on Specific Occupations
Mobile
Designed for Smartphones, Tablets
11/20
Hardware
Chapter
1
Computer Types
Supercomputer
Most Powerful
Mainframe
Accommodates Thousands of Users
Servers
Networked Environments
12/20
Hardware
Chapter
1
Computer Types
PCs (Microcomputers)
Most Widely Used
Desktop
Notebook
Tablet
Handheld
13/20
Hardware
Chapter
1
Platform Comparison
Platform
Size
Users
Price
Microcomputer (PC)
Desk
1
< $3,000
Mobile
Lap / Hand
1
< $3,000
Game Console
Desk
1 – 2+
< $1,000
Embedded
Miniature
1
Included in Item Price
Server
Cabinet
2 – 1,000
$1,000 - $1,000,000
Mainframe
Room
100 – 1,000+
$300,000 - $1,000,000+
Sabre = 14000/s
Supercomputer
Room
100 – 1,000+
$1,000,000 +
Kasparov
14/20
Hardware
Chapter
1
Microcomputer Hardware
System Unit
Processor
Memory
Input/Output
Keyboard / Mouse
Monitor / Printer
15/20
Hardware
Chapter
1
Microcomputer Hardware
Secondary Storage
Hard Disk
USB
Communication
Modem
16/20
Data
Chapter
1
Raw, Unprocessed Facts
Text
Numbers
Images
Sounds
Stored Electronically in Files
Used as Input for System Unit
17/20
Connectivity
Chapter
1
Sharing Info with Other Computers
Wireless Revolution
Network
Communications System
Connects Two or More Computers
Internet
Web
Multimedia Interface to Internet Resources
Cloud Computing
Shift Activities from User's Computer to Internet
18/20
Jobs
Chapter
1
Highest Starting Wages by College Majors
19/20
Jobs
Chapter
1
Mid-Career Median Pay by Degree
20/20
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