1.00 Computer Basics 1.01 Classify computer components.

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1.00 Computer Basics 1.01 Classify computer components. Digital Literacy 1.00 Computer Basics 1.01 Classify computer components. Primary sources of information and images: GCFLearnFree.org, Microsoft Digital Learning E-Learning Site, BBC GCSE Bitesize website Clipart PublicDomainPictures.com

What are the parts and features of a computer? Essential Question: What are the parts and features of a computer? GCFLearnFree website “Computer Basics”: http://www.gcflearnfree.org/computers/computerbasics/1

Computers

What is a Computer? Click to play video A computer is an electronic device that manipulates information, or data. It can store, retrieve, process data, and produce a result. Video Link Address: http://www.youtube.com/v/7cXEOWAStq4?autoplay=1&iv_load_policy=3&fs=1

Types of Computers Desktop computer—usually sits on a desk. They are easy to upgrade and expand or add new parts. Laptop computer—often called a notebook computer because of its size, is more portable than desktops. Inform students that desktop and laptop computers are personal computers.

Types of Computers Tablet computer: uses touch-sensitive screen for typing and navigation. Ex) iPad Inform students that desktop and laptop computers are personal computers.

Types of Computers Server—the main computer on a network that provides services to other computers on a network. A server can be as small as a desktop computer or be large enough to take up an entire room! We’ll learn more about networks later…

Personal Computers Personal computers, such as desktop and laptop computers, come in two main styles: PC: Introduced by IBM in 1981. Most common personal computer. Typically includes the Microsoft Windows operating system. MAC: Introduced in 1984 by Macintosh. First widely sold personal computer with Graphical User Interface (GUI) All made by Apple Inc. Almost always use the Mac OS X operating system. Explain and provide examples of GUI. Explain: Although PC can refer to an IBM PC Compatible, the term can also be used to refer to any personal computer, including Macs.

Specialized computers Source: www.apple.com Mobile phones: can do such things as browse the Internet and playing games. Often called smartphones.

Specialized computers Game consoles: used for playing video games Some game consoles, such as the Microsoft X Box, allow you to watch television and movies, connect to social media, and many other Internet-based activities! Televisions: many TVs, called Smart TVs, have preinstalled applications that allow you to view photos and videos saved on other devices and access online content.

Hardware Computer basics: Inside a desktop computer. http://www.gcflearnfree.org/computers/computerbasics/7, video: http://www.youtube.com/watch?feature=player_embedded&v=4eNTlwnnhss

Click here to play video Hardware Hardware refers to all the physical components of a computer. It includes all devices: Input output Processing Storage http://www.gcflearnfree.org/computerbasics/1

Input Devices Input devices are used to get information into a computer. How the user communicates with the computer. Examples: Keyboard Mouse Microphone Other examples of input devices: trackball, digital pen, whiteboard What are the following input devices? webcam Barcode reader Game controller/joystick scanner Touch screen

Output Devices Output devices are used to get information from the computer. How the computer communicates with the user. Examples: Monitor Printer speakers Other examples of output devices: projector, headphones What are the following output devices? projector headphones

Processing Devices Processing devices work on the input data and generate the desired output. The most important processing device is the Central processing Unit (CPU). The CPU is the “brain” of the computer. Processor speed is measured in megahertz (MHz), millions of instructions per second, and gigahertz (GHz), billions of instructions per second. Ex) Intel, AMD

Motherboard The motherboard is a large circuit board that connects input, output, and processing devices through pathways that allow data to pass through these various components. It also contains chips that determine how, when, and where data can flow through the computer.

Storage Devices Click here to start video/activity Storage devices allow you to store (save) data for later use. Internal storage devices allow data to be stored inside the computer. Hard drive (200GB to 1TB) Allows for fastest access to data Two types of memory Random Access Memory (RAM) is temporary storage; information is lost when the computer is turned off. Read Only Memory (ROM) is long term storage. Storage website: http://www.bbc.co.uk/schools/gcsebitesize/ict/hardware/1datastoragerev1.shtml Video: http://www.bbc.co.uk/schools/gcsebitesize/ict/hardware/datastorage_act.shtml

Storage Devices External storage devices allow data to be stored outside the computer. External hard disk (1TB or more) Memory card (1GB to 32 GB) ex) SD card External drives can be large and cumbersome, but, there are also portable external drives as well.

Storage Devices Compact Disk (CD) (up to 700 MB) Compact disk-Read Only Memory (CD-ROM) is unchangeable. Compact disk-Recordable (CD-R) can add information on multiple sessions, but can not change the information added. Compact Disk Compact disk-Read and Write (CD-RW) can be changed. Digital Video Disk (DVD) (up to 4.7GB) USB/Flash drive (512 MB to 32 GB)

Storage Devices Storage Capacity terabyte Storage Capacity 1 Bit = smallest unit, either a “1” or a “0” 8 bits = 1 Byte (B) 1024 bytes = 1 Kilobyte (KB) 1024 kilobytes = 1 Megabyte (MB) 1024 megabytes = 1 Gigabyte (GB) 1024 gigabytes = 1 Terabyte (TB) gigabyte megabyte kilobyte byte bit

Click here to play video What is The Cloud? Click here to play video The cloud is all of the things you can access over the Internet. When something is “in the cloud” it means it is stored on servers on the Internet instead of on your computer. If you have web-based email, all of the emails in your inbox are stored on servers. Video Link: http://www.youtube.com/watch?feature=player_embedded&v=gu4FYSFeWqg  Here are just a few examples of services that use the cloud in different ways: Dropbox is a cloud storage service that lets you easily store and share files with other people, and it lets you access your files from a mobile device as well. Evernote lets you type notes, clip webpages, take photos, and organize all of them from your computer or mobile device. Mozy and Carbonite can automatically back up your data in case your computer is lost, stolen, or damaged.

What is The Cloud? Benefits of using the cloud: Risks: Convenience and reliability. How? Web applications (or web apps, cloud apps), which run in the cloud and do not need to be installed on your computer. Better collaboration. How? Less likely to lose your data since it is stored on servers. Risks: Someone may try to gain access to your personal data. You can access stored information from any computer with Internet connectivity. More easy to share files making it possible to collaborate over the Web.