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Integrated Technology. Unit 1- Recognizing Computers. Objectives. Understand the importance of computers Define computers & computer systems Classify different types of computers Identify system components Describe the role of the CPU Define computer memory - PowerPoint PPT Presentation
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IntegratedTechnology
Unit 1- Recognizing Computers
Understand the importance of computers Define computers & computer systems Classify different types of computers Identify system components Describe the role of the CPU Define computer memory Describe how data is represented Identify types of storage devices Care for storage media
Objectives
A computer is a person, instrument, or machine that gathers, processes, and stores information.
What is a Computer?
Where Are Computers Used?
In groups, make a computer history timeline of events
Use an online timeline maker, poster paper, Word, etc.
Mark at least 10 significant events◦ Use your own words to describe
Computer History
Massive ENIAC Designed for military & government
40’s & 50’s
Steve Jobs and Steve Wozniak created the first user-friendly personal computer, called the Apple, with a built-in keyboard, display screen, and storage unit.◦ The term personal computer refers to a
computer designed to be used by one person at a time.
First User-Friendly Computer
Bill Gates worked with IBM◦ Developed DOS
IBM computer in 1981 released Pictured- $3500
IBM PC
IBM made the general design available to competing companies, resulting in many clones or “compatibles.”
Today, the term PC often refers to computers running Microsoft’s Windows operating system.
Attack of the Clones
Review
Same as before…
Receives data, processes data, outputs information, stores data
Hardware Software Data Output of information
What is a Computer Today?
Computer System
Personal computer- PC or MAC AKA Microcomputer Individual user
Desktop
AKA Notebook PC or Mac Portability Touchpad
Laptop
NOT laptop replacement
Made for travel
Basic◦ Check email◦ Web◦ Office◦ No Multitasking
Netbook
Lightweight & smaller
Less powerful than laptop
Small Screen Longer battery No CD/DVD Low in RAM (1GB) Windows XP/7 Basic
Netbook
Form of notebook Swivel Screen Handwriting Stylus
Tablet PC
PC in smaller size Many functions of PC
◦ Has memory, storage, CPU◦ Apps, Internet, Email◦ Android, WebOS, iOS
Tablets
Multiple CPUs, lots of RAM, multiple, high-capacity drives
Video Editing, CAD, Animation, Scientific, CSI, X-Ray
Workstation
Performs functions for computers on a network (provides a service)◦ Hold Files◦ Handle Email◦ Web Site
Server
PDA / Smartphone◦ Personal Digital
Assistant◦ AKA Pocket PC◦ Windows, iOS,
WebOS, Android, Palm OS
◦ Touch Screen◦ Can do email, web,
Office, etc.
Handheld/Smartphone
Data entering Keyboard & Monitor “Dumb” Terminal
Only performs functions when connected to larger system
Terminal
Connected to terminals
Bulk data processing Banks, statistics Hundreds of thousands $ Large institutions & govt. Airlines
Mainframe
Large & fast Perform BIG calc’s Volumes of data Millions of $$$ Government Military Research Labs NASA
Supercomputers
Name some…
Other Types of Computers?
Review 1 Managing an airline reservation & ticketing
system would be best performed by which class of computer?◦ Mainframe
Which computer only performs when connected to a larger computer?◦ Terminal
What’s another name for a desktop?◦ Microcomputer
Who is known as the father of computing?◦ Babbage
What’s the biggest advantage of using a notebook?◦ Portability
T/F. A server is dedicated to sharing resources & data.◦ True
Which type of computer provides services to other PCs?◦ Servers
What device would have Palm/WebOS on it?◦ Handheld, PAD, Smartphone
Review 2
IntegratedTechnology
Unit 1- Recognizing Computers