What's OMR and OCR

OMR

OMR is stand for Optical Mark Recognition.

OMR is use to check the answer in the exam like multiple choice or lottery number so it easier than check by your own.

OCR 

OCR is stand for Optical Character Recognition. OCR is a software technology that scan from the books or others in to the computer.

Input and output device

Input device is to store the information in the computer like keyboards,pointing device and touch screen.
Keyboard - Is a typing device that put text into the computer.

• Things that are goods about keyboard is some of the people said it easy to use.
• Things that is bad about keyboard is there are limited for people with arm/wrist problem find that keyboard is hard to use.

Moues - Moues is a device that use to point at the icon on the monitor.

• Things that is good about mouse is one it light weight and it better than use tracker-ball it not to expensive to.
• Things that is not good about mouse is one it easy to break some of it. Second is the same problem as the keyboard people that have problem with arm/wrist find it hard to used. 

Output device is to store out the information printer,projector and monitors.

Monitor TFT 

• things that is good about the TFT monitor is there got lighter weight than CRT monitor.
• Thing that is not good about TFT monitor is the quality of the monitor is not clear or good as CRT monitor.

Projector - Projector is a device that use to show the picture or other of the computer.

• Thing that is good about is easy to see in big group of people.

• Thing that is bad about is sometime the image can be bad or fuzzy and it can be expensive.

Storage Devices and Media ...

Memory sticks - It a useful thing for people that works alot and they need to safe there work.
Thing that good about the memory stick is there got many GB so some of the people that have to use alot can chooses.It cheap to buy one.
For example : 2,4,8,16,32,64 GB

Thing that is not good about the memory stick is when it lose hard to find because some of it is to small and sometime its easy to broken.Sometime it easy to lose the works.
 
 Magnetic tapes - It a old style to record the sound and sometime use to listen to music.
Things that I like about this magnetic tapes is less expensive than the hard disk. It is a very robust technology.
Things that I don't like is it very slow. When updating, it needed another tapes to put in.

Hardware and software

Hardware is a physical components of a computer or other electronic system.

Physical mean things that you can touch like monitor,mouse and keyboard.

Software is a non physical component of a computer or the electronic system.

Non physical mean things that you can't touch like Google and words document.  

blog review

Blog U2 on this blog is about a band.
Thing that I don't like about this blog is too much writing and I think it need more pictures. I don't enjoy any thing in this blog.