Information Technology: Inside and Outside: Book Resources Applets

Information Technology - Inside and Outside
Virtual Laboratory Applets

This page contains links to all of the applets to which the textbook refers. These applets comprise a virtual laboratory allowing experiments to be conducted with information technology without the need for specialized equipment and skills. Each applet has an accompanying audio introduction that may be launched by clicking onthe icon that follows each entry in the list below.

Number formats:

Decimal integer to Binary conversion
Binary to decimal integer conversion
Alphanumeric String conversion
ASCII code to Character conversion.
Decimal floating point to binary conversion


Sampling / Quantization / Band limitation:

Frequency Spectrum (FFT) of a signal
Sampling and Reconstruction with Sound
Quantization and Reconstruction with Sound
Bandlimiting with Sound
Bandlimited Music


Data Transmission:

Data Transmission Encoding simulation
Data Transmission simulation with noise
Bandwidth-limited Data Transmission simulation.

Noisy Data Detection simulation



Image coding and Compression:

Basic image manipulation

Image color encoding

Run Length Lossless Image Compression

Predictive and Run Length Image Compression

A lossy image compression algorithm

Image Difference compression

Median Filtering of images

Spatial resolution

Color resolution



Error Correcting Codes:

Hamming Code Example

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