1. Unit 1- Recognizing Computers

2.  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

3.  A computer is a person, instrument, or machine that gathers, processes, and stores information.

5.  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

6.  Massive  ENIAC  Designed for military & government

7.  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.

8.  Bill Gates worked with IBM ◦ Developed DOS  IBM computer in 1981 released  Pictured- $3500

9.  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.

11.  Same as before…  Receives data, processes data, outputs information, stores data  Hardware  Software  Data  Output of information

13.  The use of the binary number system with two values: 0 and 1.  1= ON (electricity)  0= OFF (no electricity) What Counting to Ten Looks Like Decimal: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 Binary: 0, 1, 10, 11, 100, 101, 110, 111, 1000, 1001, 1010

14.  What does PC stand for? ◦ Personal computer  In binary, what does a 1 mean? ◦ Voltage/electricity/On  Who is known as the father of computing? ◦ Charles Babbage  What are the four things any computer does? ◦ Receives data, processes data, outputs info, stores data  Who created the first user-friendly computer? ◦ Apple (Steve Jobs & Wozniak)

15.  In groups of 2, make a poster… ◦ Title of device ◦ Big picture of device ◦ It’s use & where it’s used ◦ Cost ($, $$, $$$, $$$$) ◦ Special Features  Desktop  Laptop/Notebook  Netbook  Tablets  Workstation  Servers  Handheld/Smartphone  Terminal  Mainframe  Super Computer  Embedded Computer  Music/Media Player  Game System  E-Book Reader

16.  Personal computer- PC or MAC  AKA Microcomputer  Individual user

17.  AKA Notebook  PC or Mac  Portability  Touchpad

18.  NOT laptop replacement  Made for travel  Basic ◦ Check email ◦ Web ◦ Office ◦ No Multitasking

19.  Lightweight & smaller  Less powerful than laptop  Small Screen  Longer battery  No CD/DVD  Low in RAM (1GB)  Windows XP/7 Basic

20.  Form of notebook  Swivel Screen  Handwriting Stylus

21.  PC in smaller size  Many functions of PC ◦ Has memory, storage, CPU ◦ Apps, Internet, Email ◦ Android, WebOS, iOS

22.  Multiple CPUs, lots of RAM, multiple, high- capacity drives  Video Editing, CAD, Animation, Scientific, CSI, X-Ray

23.  Performs functions for computers on a network (provides a service) ◦ Hold Files ◦ Handle Email ◦ Web Site

24.  PDA / Smartphone ◦ Personal Digital Assistant ◦ AKA Pocket PC ◦ Windows, iOS, WebOS, Android, Palm OS ◦ Touch Screen ◦ Can do email, web, Office, etc.

25.  Data entering  Keyboard & Monitor  “Dumb” Terminal  Only performs functions when connected to larger system

26.  Connected to terminals  Bulk data processing  Banks, statistics  Hundreds of thousands $  Large institutions & govt.  Airlines

27.  Large & fast  Perform BIG calc’s  Volumes of data  Millions of $$$  Government  Military  Research Labs  NASA

28.  Name some…

29.  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

30.  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

31. Unit 1- Recognizing Computers