unit 6
keyboard and mouse
I- keyboard
A set of keys that represent the letters of the alphabet, numbers and symbols ...
which are arranged on a flat board and are connected to a computer. It is the main
electronic input device
The keyboard. This is the part like a typewriter. It lets you put (or input)
words, and numbers into the computer
Most keyboards have four sections.
First, the main keyboard is at the centre of the keyboard, it has keys for each
letter and the digits 0 to 9. It also has keys for punctuation and other common
symbols. It is used for inputting all kinds of date.
Second, The function keys are at the top of the keyboard, it has keys from F1
to F12 It does not have a fixed function.
Third, The editting keys are on the right of the
keyboard, it has keys to move the cursor up and
down, left and right, it has keys for inserting and
deleting a chacracter. It is used for controling
cursor
Fourth, numeric keypad is far right, it has keys
for the digits 0 – 9, it also has keys for mathematical
operations. It is used for inputing numerical date
II- mouse
A mouse is a hardware device which
allows the user to control
a cursor to manipulate
data without complicated
commands.
The computer mouse is a hand
operated device that lets you control more
easily the location of the pointer on your

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monitor: thiết bị kiểm soát
parallel port: cổng song song
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execute /'eksikju:t/ thc hin, thi hnh,
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Exercise.
1. Dựa vào bài để hoàn thành các thông tin trên bảng
Section Location Mainkeys Mainfunction
Mainkeyboard
top Not fixed
Cursor keys
Insert, delete a character
Input numerical
date
2. Dựa vào nội dung bài đọc để hoàn thành các câu sau.
1. Move the mouse to the left and the cursor moves to the............
2. The mouse contains a a rubber coated ...............
3. There are .........axles inside the mouse and two interrupter wheels
4. When you move the mouse. The ball...........
5. There are ......... sections on the keyboard.
6. The mouse moves over a mouse...........

Page up: A key on the keyboard that a user presses to view information above
the information, that is currently visible on the screen or in the window
Insert: A key on the keyboard that is used add a word etc to a text.
Delete: A key on the keyboard that is used to
remove words, etc from the text or files from a hard disk.
to remove a letter word or line etc from a piece of text...
Home: A key on the keyboard that is used to move the cursor to the beginning
of the line or the top of the screen, but the assignment of this key is up to the
programmer
End: A key on the keyboard that is used to move the cursor to the end of a
document or page
Num lock : A key on the keyboard that a user presses to change the mode of
the numeric keypad so that it produces a number for each key pressed.
Caps lock: A key on the keyboard that a user
presses to change the keyboard from lowercase to
uppercase or from uppercase to lowercase
Tab: A key on the keyboard that is used to
enter a fixed number of blank characters in a
document
Shift: A key on the keyboard that a user
presses to enter uppercase letters or punctuation
marks.
Enter: A key on the keyboard that a user
presses to tell the operating system to execute a
command or to mark the end of a paragraph in a
word processing program.
6. Dich ra tiếng việt.
1. External devices connect to ports at the back of the computer.
2. Deffirents types of the port are used for each device. Most computers have 1
keyboard port, 1 video port, 2 serial ports, 1 parallel port, Some also have a mouse