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COMPUTER - Coggle Diagram
COMPUTER
Unit 7
What is network
A network consists of two or more Computers that are linked in order to share resources (such us printers and CDs) exchange files or allow electronic communications. The computer s on a network may be linked through cables, cables, telephone lines, radio waves , satelites or inframed light beams.
Two very common types of computer
Local Areaa Networking (LAN?)
Local Area Network (LAN) is a network that is confined to auh relatively small Area. It is generally limited to auh geographic area such us a writing lab, school or building.
Wide Area Network(WAN)
Wide Area Network(WANs) connect network in large geographic areas. Dedicated transoceanic cabling or satelites up links may be used to connect this type of global network.
What is the Internet?
Internet is the increasingly important part of everyday life for people around the world. It is a global network of billions of computers and other electronic devices. With the internet it's possible to access almost any information, communication with any one else in the world and do much more.
What does the internet works?
Its important to realized that the internet is a global network of physical Cable , which can includes copper telephones wires, tv cables, and fiber optic cables. Even wireless connections like Wi-Fi and 3G/4G rely on these physical cables to access the internet
How to connect to the internet
Once you've set up your computer you may want to purchase home internet access so you can send and receive email, browse web, stream videos, and more.
Types of internet service
Dial up
DSL
Cable
Satelite
3G/4G
Hardware needed
Modem- once you have a computer, your really don't need much additional hardware to connect to the internet. The primary piece of hardware you need is a modem.
Dial-up- - telephone modem
DSL-DSM modem
Cable- Cable modem
Satelite- Satellite adapter
Router- A router is a hard ware device that allows you to connect several computers and other devices to a single internet connection, which is known as a home network. Many router are wireless , which allows you to create a home wireless network, commonly known as a Wi-Fi network.
What is Web?
The worldwide web usually called the web for shirt is the collection of different websites you can access through the internet. A websites is made up of related text, Image and other resources. Websites can resemble other forms of Media-like newspaper, articles of television programs or they can be interact in a way that unique to computer.
Using a web browser
A web browser is a Type of software that allows you to find and view websites on the internet, there are many different web browser, but some of the common ones include google chrome, internet explorer, safari, microsoft edge and mozilla firefox.
What is cloud ?
You may have heard people sharing terms like the cloud, cloud computing or cloud storage. But what exactly cloud? Simply put the clouds is the internet more especially, it all's of the things you can access remotely over the internet. It means stored on the internet servers instead or your computer hard drive.
Why use clouds?
Some of the main reasons to use cloud are convinces and reliability. For example you've ever used the web based email services, such us Gmail or Yahoo mail, you've already use the cloud.
Some of the most common reasons to use cloud
File storage- you can store all types of information in the cloud including files and email
File sharing- the clouds make it easy to share file with several people at the same time
Backing up data- you can also used clouds to protect your file.
What is a web app?
A web application is a computer program that utilized web browser and web technology to perform task over the internet.
Web application or web apps-that run into the cloud and donot need to bi installed on your computer, many of the most popular sites on the internet are actually web apps . You may have even used a web apps without realizing it? Lets make a look at some popular web apps.
*Facebook- facebook let's you create an Online profile and interact with your friends, profile and conversation can be updated at any time so facebook use web apps technologies to keep the information up to date.
*Pixir- pixir is an edtiting application runs in your web browser much like Adobe Photoshop,it includes many advance futures, like color correction and sharpening tool's.
*Google docs- Google docs os an office suite that runs in your browser. Much like microsoft office, you can use it. Create document, spreadsheet, presentation, and more because the file are stored in the clouds, its easy to share them with other s.
Email,
Social networking,
Chat and instant messaging,
Online media,
Every day task.
Netiqutte
Netiqutte- is a short form of network entiquette or internet entiquette. It represents the importance of proper manners and behavior online. In general netiqutte is the set professional and social etiquettes practiced and advocate in electronic communication over anay Computer network. Common guidelines include being courteous and precise , and avoiding CYBER-bullying. Netiqutte also dictates that user should obey copyright law's and avoid oversing emotions.
Hera are 14 great tips for student netiqutte.
Be accurate with factual information
Extend your good nature online
Use internet resource ethically
Promote healthy discussion.
Ignore inflammatory comments by trolls
Respect as equals
You're here to learn , not dectate
Remember, your words are permanent
Pause before your Post
Make your an point in a nice way
Use anonymity responsibly
White like you speak
Good writing is good manners
Clarity is essential
Unit 1
Introduce to computer
What is computer - computer is an electronic device , operating under the control of instruction stored in its own memory, that can accept data,(input), process the data according to specified rules (process), produces results (output), and store the results (storage) for future use.
Four basic operation performed
Computer
Input
Process
Output
Storage
Type of functional units
A computer system consist of hardware has five different types of functional units
Input unit
Memory unit
Control unit
Arithmetic and logic unit
Output unit
The component of a computer
(Hardwar)
Input device s
System unit
Output device s
Storage devices
Advantages of using computers
Speed
Reliability
Consistency
Storages communication
Disadvantages of using computers
Health risk
Public safety
Violation of privacy
Impact of labor force
Unit 2
Evolution of computer system
Types of computers and it's applcation
Analog
Digital
Hybrid
Application of computer system
Computer generation
Firts generation
Example of first generation computers
The UNIVAC and ENIAC computers
Example of second generation computers
The BMI 7094 series, IBM 1400 series and CDC 164 ect.
Example of third generation computers
IBM 370, IBM system /360, UNIVAC AC 9000 ect.
Example of fourth generation computers
IBM 3033, HP 3000, PDP ± and CYBER ± 205 apple, macintosh, IBM , Pentium, ect.
Example of fifth generation computers
: e.g CRAY, PARAM-10000. IA includes robotics, neural networks , game playing, development of expert system, to
make dicision in real life situation, natural language understanding and generation.
Personal computer
Two types of personal computer
Desktop computer
Tablets computer
Moblie devices
Notebook computer
Smart phones
PDA
Ebook reader
Hand held computer
Game console
Server
Main frames
Super computer
Embedded computer
Unit 3
Computer software
Computer software-also called a program consist of a series of related construction organized for a common purposed, that tells the computer what task to perform and how to perform them
System software - consist of programs that control the operations of the computer and its devices. Two types of system are operating system and utility program.
Operating system
Utility program
Installing and running program
Application software- consist of programs designed to make users more productive and/or assist them with personal task . These includes personal information management, note taking, project management, accounting, document management, computer aided.
Word processing software
Presentation software
Spreadsheet software
Data base software
Software development
Unit 4
Basic computer skills
Getting started with your first computee
Turning on the computer
Booting up
Booted up
The keyboard and mouse
Keyboard
Mouse
Track pad
Pointer
Cursur
Using mouse
Down arrow key
Scroll wheel
Holding the mouse
Clicking
Rollover
Double clicking
Drag and drop
Using keyboard
Typing
Control key
Nabigation key
Numeric keypad
Typing text
Key name
Shift
Caps lock
Tab
Enter
Space bar
Back space
Using keyboard
Shortcuts
Window logo key
Alt+F4
Alt+Tab
Ctrl+S
Ctrl+C
Ctrl+T
Ctrl+V
Ctrl+Z
Ctrl+A
F1
+F1
Esc
Application key
Using navigation keys
Press this
Left arrow, Right arrow, up arrow, or down arrow
Home, End, Ctrl+Home
Page Up
Ctrl+End
Page down
Delete
Insert
Using numeric keypad
Three odd keys
Prtscn(or prints screen)
Srclk(or scroll lock)
Pause/Break
The desktop
Desktop
Icons
Button
Menus
Window
Unit 8
Using Email
Traditional Mail VS Email
Address
Traditional Mail is addressed with the recipient's name, street, address, city, state, or province, and zip code
For example ,it will usually look something like this Elena M. Casarosa 202 Cedar Lane Raleigth, NC 27601
Email address are always written in a standard formal, but they look quite different from traditional mail.
An email address includes a usernames , The
(at)!
symbol, and the emails providers domain usernames often includes number and shortened version of a name to create a unique email address, and will usually look something like this
emcasarosa82@gmail.com
Delivery
Traditional mail in a sealed envelope or package is delivered to a home or post office box by a mail carrier
Email is delivered electronically across the enternet,. It is received by the inbox of an email service provider like Gmail, Yahoo or Outlook.
Time
Traditional mail delivery could take anywhere between a couple of days, to a couple of weeks depending on where its being sent.
Email is delivered instantly, or usually within a few minutes
Email Advantages
Productivity tools
Access to web services
Easy mail Management
Privacy
Communication with multiple people
Accessible any where at any time
Understanding the Email address
To receive emails, you will need an email account. And an email address. Also, if you want o send emails to other people, you will need to obtain thier email address, Its important to learn how to write email address correctly because if if you do not enter them exactly right your emails will not be delivered to the wrong person.
Email address are always written in a standard format that includes a user name. The
(at)
symbol , and the email provider s domain.
Creating account
Creating a Google account in needed to access Gmail because it is just one of the many service offered by Google to registered user. Setting up a Gmail account is easy. You will begin by creating a Google account , and during the quick sign up process will choose your Gmail account name.
Setting up a Gmail account
To create a Gmail address, you'll first need to create a google account Gmail will redirect you to google account sign up page . You'll need to provide some basic information like your name, birth date, gender, and location. You will also need to choose a name for adding contact and adjusting your Mail setting.
To create an account
Go to www.gmail.com
Click create account
The sign-up from will appear , follow the directions by entering the required information
Next is enter your phone number to verify your account . Google uses a two steps verification process for your security .
You will receive a text message from google . With a verification code. Enter code to complete the account verification.
Next you will see form to enter some of your personal information, like your name and birthday.
Review Google terms of service and privacy policy. Then click i agree.
Your account will be created.
Just like with any online service , its important to choose a strong passwords in other words , one that is difficult for someone else to guess.
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Email entiquette and safety
Email entiquette
Don't assume privacy
Avoid offensive comments
Don't shout
Edit your message
Reply with caution
Know your email tools
Keep it brief
Watch your tools
Watch your tone's
Use priority flags with discretion
Sign your name
Unit 6
Understanding and Working
PowerPoint Basics
PowerPoint 2013 is a presentation software that allows you to create dynamic slide presentations. Slideshows can include animation, narration, images, videos, and much more.
Opening PowerPoint 2013
When you open PowerPoint 2013 for the first time, the Start Screen will appear. From here, you'll be able to create a new presentation, choose a template, and access your recently edited presentations.
From the Start Screen, locate and select Blank Presentation.
A new presentation will appear.
Getting to know PowerPoint 2013
PowerPoint 2013 is similar to PowerPoint 2010. If you've previously used PowerPoint 2010, PowerPoint 2013 should feel familiar. But if you are new to PowerPoint or have more experience with older versions, you should first take some time to become familiar with the PowerPoint 2013 interface
Quick Access
Toolbar
Ribbon
Slide Pane
Scroll
Navigatio n Pane
Number Indicator
Slide View
Zoom Control
bar
Working with the PowerPoint environment
If you've previously used PowerPoint 2010 or 2007, PowerPoint 2013 will feel familiar. It continues to use features like the Ribbon and the Quick Access toolbar—where you will find commands to perform common tasks in PowerPoint—as well as Backstage view.
Creating and Opening Presentations
PowerPoint files are called presentations. Whenever you start a new project in PowerPoint, you'll need to create a new presentation, which can either be blank or from a template. You'll also need to know how to open an existing presentation
A new presentation will appear.
2 Select New on the left side of the window, then click Blank Presentation or choose a theme
Select the File tab to go to Backstage view.
Using templates
A template is a predesigned presentation you can use to create a new slide show quickly. Templates often include custom formatting and designs, so they can save you a lot of time and effort when starting a new project.
To create a new presentation from a template:
Click the File tab to access Backstage view.
Select New. You can click a suggested search to find templates or use the search bar to find something more specific. In our example, we'll search for Business presentations.
Select a template to review it.
A preview of the template will appear, along with additional
information on how the template can be used.
Click Create to use the selected template.
A new presentation will appear with the selected template
Saving
Whenever you create a new presentation in PowerPoint, you'll need to know how to save in order to access and edit it later. As with previous versions of PowerPoint, you can save files to your computer.
Save and Save As
PowerPoint offers two ways to save a file: Save and Save As. These options work in similar ways, with a few important differences:
Slide Basics
PowerPoint presentations are made up of a series of slides. Slides contain the information you will present to your audience. This might include text, pictures, and charts. Before you start creating presentations, you'll need to know the basics of working with slides and slide layouts.
Text Basics
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