February 26, 2014

Hardware Specs

Sir Tom discussed  the Hardware Specification. According to sir Tom, Hardware Specification dictates the limits and maximum capability of a hardware/device depending that will be used. He also discussed the differences of a laptop and desktop with its functions and weaknesses.

February 24, 2014

Computer System

This flow chart helped me to understand more about the Computer System: Note I made this but the info is from Sir Tom :)

Computer System has also different types:

February 23, 2014

How does data travel across the network?


Sir Tom discussed the 2 ways for data to travel across the network:
  • Data transmission- physical transfer of data over communication channel or medium such as copperwires, optical fibers, wireless channel.





  • Data-represented as electromagnetic signals(electrical voltage, radiowave, microwave, or infrared signal)

Machine Cycle= "processor cycle"

It has 3 steps:
1. fetch
2. decode
3. execute
It forms a cycle:

Binary-Decimal-Hexadecimal


Moving Information within computer

When you search the process of CPU, you find this:

Well, to help you... I made a simple way to understand it. Sir tom illustrated a flow chart like this...


February 22, 2014

Data Sources

Sir Tom discussed to us the different ways to get computer data. It is the "Original, Previously stored data, and Digitizing"

Software? What's that?

I made this to make all the readers understand the Software of computers... I don't own all the definitions...

My message to the beloved computers