Classroom Technologies Module 102 By: Kimberly Squires.

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Presentation transcript:

Classroom Technologies Module 102 By: Kimberly Squires

Computer Workstations  Most classroom computers are classified into one of the following: desktop, laptop, or tablet. These are all used using the same architecture.  A large panel of integrated circuits is called the “motherboard”. It is attached to smaller specialized circuit boards.  Printers, scanners, and document cameras are all connected by a device called a universal serial bus (USB).  Computers also have something called the “brain” of the computer. It is called central processing unit which is also known as (CPU).  Above the CPU it has a cooling device because it generates a lot of heat.  (SSD) Solid-state disk- is a multilayered disk that spins like a record under a read/write head.  terabyte= 1,000,000 gigabytes or 1 billion megabytes  Petabytes= 1,000 terabytes  Cloud Computing- includes SkyDrive, icloud, Goolge, Drive, and Dropbox. This offers more storage.

Display Devices  (CRT) Cathode ray tube: was used for many decades but has recently been replaced with (LCD)liquid crystal display and (LED)light emitting diode. These technologies require less power and provide more accurate color reproduction.  The electronic whiteboard has also recently been adopted in the classrooms in the US because it allows users ti control computer screen operations with a stylus or a finger. These boards are also known as Smart boards and Promethean boards.  Video graphics array (VGA) or Digital video interconnect(DVI) adapters and High definition multimedia interface (HDMI) or DisplayPort support faster throughput, better color fidelity, and also carry an audio signal.

Continued…  Pixels are the smallest units of color that can display and represent onscreen.  Older projectors were only capable of display resolutions that used only 4:3 aspect ratio, but in newer models they can display 16:9 HD. This now allows teachers to be able to play high definition movies in the classroom and open different windows side by side.  Mirrored display is where the workstation screen is duplicated on every connected display.  Extended display is a desktop applications, where the instructor positions a different content window on each screen, which makes it easier to multitask.

Software  In an installed software there is normally 3 different categories caommonly found on instructional workstations.  Operating System (OS)- coordinates the various functions of the hardware and software components to work in concert.  Productivity software- computer programs that teachers use in their daily workflows.  App stores/freeware/trialware- Online sharing sites