Keyboard
Keyboarding
The computer keyboard is different from using a typewriter, though they look similar. For one, it is less tiresome to use the
computer keyboard compared to a typewriter since you do not have to punch its key as hard as you do with a typewriter
keys. The keyboard also has more keys compared to the typewriter & they can do more than just produce letters &
numbers on paper. Typewriter reflects the reality.
Difference of a keyboard & typewriter
KEYBOARD
Less tiresome & More efficient.
Looks similar to a typewriter
The keys are often lighter and require less force to press, allowing for faster and more accurate typing.
Can delete/undo mistakes
TYPEWRITER
They can’t delete/undo mistakes
Has less keys
Can only produce only letters & numbers on paper
Reflects reality, you can’t undo the thing you have done
PARTS
A.) Esc/Escape key
- Cancels the operation
B.) Function keys
- Activates commands like save, help & print
F1 - Help button
F2 - Renaming file
F3 - Save
F4 - Closed
F5 – Refresh
F6 – The URL will be selected
F7 – Check spelling/grammar
F8 – On Windows: Repairs MS Word: Selects all words
F9 – Saves
F10 – Shortcut for right click (w/shift)
F11 – Browser vid: Full Screen On Word: Save
F12 – To save document, inspector mode
C.) Print Screen Key
- Prints the contents of the screen/stores copies
D.) Scroll Lock
- Depends on the software
- Rarely used
- Sticks on the same page
E.) Indicator Key
- Shows you the status of the three toggle key: Number Lock, Caps Lock, & Scroll Lock
F.) Back Space Key
- Deletes one character to the left of the insertion point
Insertion point – blinking line
G.) Insert Key
- Switches between insert & type over mode
H.) Home Key
- Takes you to the beginning of the line
I.) Tab Key
- Can move your current typing location to the next tab ship or the next entry box
J.) Caps Lock Keys
- Capitalizes all the letters, you type when its engaged
- Does not produce symbols
K.) Shift Key
- Capitalizes letters & produces the top symbol on the keys that contain two symbols
L.) Control/CTRL
- hold down the CTRL key while pressing another key
M.) Alt Key
- hold down the ALT key while pressing on another key
N.) Enter Key
- Indicator that you have finished a command
- moves down
O.) Delete key
- deletes the characters to the right
P.) End key
- to quickly navigate to the end of a line or document without having to scroll or use the mouse. (ending)
Q.) Page Up/Pg Up Key
- to scroll upward through a document or webpage quickly. It allows users to view the content above the current
visible area without manually scrolling.
- Displays the previous screen of information
R.) Cursor Key
- to move the direction point
S.) Numeric Keypad
- Produces numbers
- allow users to input numerical values into a computer or other device
- can move the direction point depending on the status
PUBLIC HEALTH ISSUES OF EXCESSIVE USE OF TECHNOLOGY
In 1990 only people had access on the internet
EFFECTS: Heart disease, diabetes, stroke, hearing problem, sight problems
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Impact on Physical Health
Physical Inactivity – less physical activity
Eyes & Vision – due to a long time of screen exposure
Carpal tunnel syndrome - caused by pressure on the median nerve.
