123 of Photography.. for less than beginner

Dear readers...

I would like to share some of my limited knowledge in photography either through reading, chatting with friends, and most of the time..... trial and error.. which produce errors most of the time.  Luckily nowaday, we use digital camera and discard any error right away. Snap 10 shots, keep the best one, and delete the rest. In the old  days (macam la lama sangat).... snap photos, finish up the film rolls (24, 36 etc), take to the Kedai Gambar and a week later, we only discover where our mistake, such as shaking hand, overexpose, underexpose, non focus....or the person is not ready yet (belum posing maut)

If any of you have better knowledge, please do share with me and write comment.

• Aperture; it's the size of the opening of the lense that control the amount of light. It's just like our eye iris. It's written in f/1.4, f/2, f/2.8, f/4, f/5.6, f/8. The bigger the value i.e. f/8 the smaller the aperture. 
• Shutter speed; is the amount of time in second, that the shutter is open. Stated in 1/1000, 1/500, 1/125, 1/60, 1/30, 1/15, 1/8, 2, 4, 8 sec. The bigger the value, the longer the shutter is open.
• ISO; is the measurement of the sensitivity of the image sensor. The lower the number, the less sensitive to light and the finer the grain.  Higher ISO setting, means more sensitive to light and more noise.
• Tripod; is a must if want to night scene or low light photo, unless you have very stabil hands like Olympic Pistol shooter.
• Resolution; the highest is the better. Shoot pic using the highest resolution. If you want to reduce the quality, reduce it later by using software such as Irfanview, Picassa, etc.
• Macro mode; is when you when you take close up photo like flowers, bug etc. The focus distance is about 2-10 cm depending on camera type.
• Steady hand; Please ensure you hold the camera on both hand, to add stability, eventhough your camera is small. Don't be like Hong Kong moviestar...single handedly shoot gun while jumping and flying... this just don't work in photography. And please ensure, that only your finger push the trigger, and not your whole hand. 

Actually there's lot's of tip out there in the web...  this is one of the website that I found very useful... http://digital-photography-school.com/blog/digital-photography-tips-for-beginners/