Microchips helps us to make things :
1. Smaller 2. Cheaper 3. Automatic 4. Programmable
Miniaturisation - making things smaller.
Programmable device - is one of that can be programmable to do specific jobs.
Appliances using microchips :
Fax machine; VCR, Telephone; Mobile phone; Camera; TV; Microwave oven; Video camera;
Traffic lights; and etc.
1.6 Familiarity With Keyboard
The keyboard looks like a typewriter with the addition of function keys, special keys, keypads
and cursor keys.
1. Escape key - to cancel a command in progress
2. Function keys (used to simplify command entry) - to get help, to perform a function
3. Typewriter keys
3.1. Backspace key - Deleting character to the left
3.2. Tab key - Move the cursor from left to right X spaces at a time
3.3. Caps Lock - Typing capital letter continually until you press it again
3.4. Shift key - To select upper case or lower case.
3.5. Space bar - making spaces
3.6. Enter key (Typewriter usage called Carriage Return) - To start a new paragraph
3.7. End - To move the cursor to the end of the screen or line.
3.8. Home - To move the cursor to the beginning of the screen or line.
3.9. Pg Up - Go to previous page.
3.10. Pg Dn - Go to next page.
4. Alt and Ctrl keys - used with other keys to perform a function
5.Cursor-control key to move the cursor on the screen
6. Insert Key - to insert data
7.Delete Key - to delete data already entered
