Bits being equal

Browsing the Internet I found a lecture that´s similar to one of my recent sessions with you. As we began learning how a computer represents an image, the "bit" was presented as the most basic building block of modern computing. Collections of bits are interpreted as being different kinds of information, for example: this aggregate of 8 bits (01100001) represents the letter "a", if you consider the ASCII code.  

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Photo Editing - Sharpen and pixel replacement

Photo or image editing is one of the most interesting creation techniques I ever experienced. No matter whether it is a photograph or a digital drawing, I am passionate about creating images. I usually begin with a sketch or a fast edit, just to see if the workflow I have in mind, will do or not. Most of the time, a rapid preview is enough for me to confirm whether I´m on the right track and if I actually am, hours of dedicated work are to come.

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Converting files is an easy task

A few weeks ago we were working in our audio personal presentations. Some of the students decided to use their personal device, such as cell phones or Ipods, to record their voices. Some others used the Windows Sound Recorder or even Vocaroo.com. Although the variety of devices and tools used, it was something of value for the learning process, we found a limitation. The selected streaming platform (GoEar)  allowed us to upload only MP3 files. 

The problem was, that we had created many different audio files in a variety of formats, such as: AIFF, WAV or even MP4 (come students used youtube to record presentations). What would happen if we had no other choice than uploading to GoEar? We needed a file converter, one that would be available to all students, from home or from school. I suggested zamzar.com  

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The Flubaroo experience

Google forms is a great tool for conducting online surveys. Teachers around the world are using this tool in a number of different ways, including for online quizzes for students. The advantages of gathering student information in digital form and being able to analyze that information using formulas and charts are simply undisputed.

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You sound...

This week we were engaged recording our audio personal presentations and publishing them in our blogs as the first post. 

Students ranging from 2nd. to 6th. HS years had the task to present themselves and record the audio. All students got the same short task description with few constraints as possible (personal information protection guidelines were discussed previously). A short tutorial was available only for beginners.

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Introduction to Digital Image Representation

A digital image is a numeric representation (normally binary) of a two-dimensional image. Depending on whether the image resolution is fixed, it may be of vector or raster type. By itself, the term "digital image" usually refers to raster images or bitmapped images.

Source: http://en.wikipedia.org/wiki/Digital_image

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Record your voice for presentations

I recently came across a Blog of a teacher fellow, where one post caught my interest. She asked her students to post a personal presentation in the form of an audio file, with one condition: the file should be streamed. I asked my self, how can I help those students to get it right? So, here a short tutorial on how to create the audio file, host it at GoEar and post it in a Blogger Blog.

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Youtube we learn

In the previous post, I invited the reader to see two videos. One related to the most common file management tasks, the other related to the  most common way of organizing E-mails be Gmail. Both videos present some interesting concepts to the ICT students. Now, one question arose: how do we study from a video?

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File Management

What about a debate about folders vs. labels (AKA tags)? Traditionally, files ware organized using folders, until Gmail labels came around. 

Folders are a metaphor, in a computer a folder represents the old idea of a manila folder in a office. A manila folder contains many printed documents. It is generally formed by  folding a large sheet of stiff card in half. This is the reason why a computer folder icon looks like this:

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TED about passwords

Check out this article!  

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Password strength checker

Students from the 2nd. and 4th. HS year tested their password using the to following tools !

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Secure Passwords

Creating strong passwords is easier than you think.
Here's how to create an unlimited number of strong and simple-to-remember passwords.

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