Noahtech Computer Repairing And Services was set up by me and my partner Mr William Hor. We set it up on 1st of April 1996 (many people called it as April’s fool day) and the company...

I’m now writing this blog from my house and i may be late in replying your emails tomorrow due to my office internet connection may be still down tomorrow. Hopefully by tomorrow, everything will get back to...

This is the part number and standard codes for transistors. The letter “C” printed in front of the transistor is European, while 2SC is Japanese code. These code applies to “A”, “B”, “D”, “J”, “K” and etc....