School Revise · Class 9 Information Technology · Chapter 2
Code 402, Class 9. Fast, accurate typing is a key IT skill. Here we learn the keyboard, the home row and touch typing.
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Keyboarding is typing quickly and correctly. Good typing uses the home row, touch typing (typing without looking) and the right posture.
A keyboard has alphanumeric keys (letters and numbers), function keys (F1 to F12), navigation keys (arrows) and a numeric keypad. The home row keys are ASDF for the left hand and JKL; for the right, where the fingers rest.
Touch typing means typing without looking at the keys. Each finger has its own keys. A typing tutor is software that gives lessons and measures your progress.
Typing speed is measured in words per minute (WPM). Aim for speed with accuracy. Sit straight, keep wrists level and take short breaks to avoid strain.
Explore the idea by tapping. The interactive opens right here in the lesson.
home row keys.
ASDF.
touch typing.
words per minute (WPM).
ASDF for the left hand and JKL; for the right.
Typing without looking at the keyboard.
In words per minute (WPM).
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Keyboarding is fast, accurate typing. A keyboard has alphanumeric, function, navigation and numeric keys. The home row keys (ASDF and JKL;) are where fingers rest. Touch typing means typing without looking, practised with a typing tutor. Speed is measured in words per minute, and good posture avoids strain. |
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These free Class 9 Information Technology (Code 402) notes explain data entry and keyboarding, the keyboard and home row keys, touch typing, typing speed in words per minute and good posture with clear steps and practice, for CBSE students across India and the Gulf including the UAE, Saudi Arabia, Qatar, Oman, Kuwait and Bahrain.
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