Input and Output devices

Way do we need IO devices

Input and output devices are necessary to transfer data and info.

Types of Output Devices

Monitor,

Types of Input Devices

keyboards

What are MICR used for

reads handwritten data. They are mostly used in Banks.

What are OMR used for

capture individual markers in multiple choice. They are used in lottery.

What is a Ergonomic Keyboard

They are asocial keyboards that are used to prevent repetitive strain injury (RSI)

What are 2 types of monitors

Cathode Ray Tube (CRT) and Liquid Crystal Display (LCD)

Way are CRT monitors good

true black

Way are LCD monitors good

low heat generations

Way are CRT monitors bad

higher heat generations

Way are LCD monitors bad

can't display true black