Complete Parts and Function of Computer Keyboard

PC_Keyboard
A computer keyboard is used to enter commands of the computer like the laptop and Personal Computer. This device of a computer works as one of the main parts because it works to create a different commands that will enter by pressing different keys accordingly by the a user.

There are different keyboards, but the computer keyboard is usually designed as Qwerty with the different types like the PS/2 and the USB type keyboard. With this type, there are different parts or a major part that we need to know, including the different keys its of this major function.

  1. MAJOR FUNCTIONS OF THE KEYBOARDS- these are the 5 major functions, these are the Function keys (All F keys), Alphanumeric keys, 9 Special keys, Cursor keys (Arrow), and the numeric keypad.
  2. COMPOSITION OF ALPHANUMERIC CHARACTER- is the biggest part of PC keyboard, it is the letters from A-Z, numeric numbers from 0-9, character are symbols and punctuation, and the special keys.
  3. SYMBOLS, PUNCTUATION, AND SPECIAL KEYS BELONG TO ALPHANUMERIC CHARACTER- these are the symbols and punctuation both located in upper and lower cases. And the special keys position left, bottom, and the right side of this part.
THESE ARE BOTH SYMBOLS AND PUNCTUATION:

KEYS
NAME
FUNCTIONS
 ~
 TILDE
This serves to indicate different pronunciation like Sto. Niñ0, in mathematical numbers, it is used to describe a range property, like 220~240 volts of wall outlet standard voltage.
 `
 ACCENT GRAVE
This is used for stress vowel of the last letter of multivowel word.Accent grave
 !
 EXCLAMATORY POINT
It is used for uttering forceful feeling and also use for coding language purposes.
 @
 at sign
It's a replacement of at word and commonly use for an email address after the name or in between of email name and the email provider., ex. [email protected]
 #
 hash tag
This symbol is describing a numbers to follow and describe as no., it is also used of other social media to describe a keyword or a topic within your post. 
 $
 Currency Symbol
This is used to denote a monetary value or a money, in keyboard you will see the dollar symbol.
 %
 Percentage
It is used in mathematical operations as a division property of a whole number. It's a division of 100, example 5% can be divided into 5/100 is equal to 0.05
 ^
 Caret
This key found at the top of 6 numbers and it is used to indicate an exponent in mathematical operations.
 &
 and sign or amper sand
Use to describe the word and, the ancient name is ampersand. This is used also for a coding language like Visual Basic.
 *
 Asterisk
This used to express Mathematical operations of Multiplication instead of using X in a spreadsheet application. And also use of coding language.
 (
 Open Paren thesis
This is mainly used to separate a sentence or a word which is different to the meaning of a word or sentences. It is also for the spreadsheet application like the IF function of Microsoft Excel. 
 )
 Close Paren Thesis
This is mainly used to separate a sentence or a word which is different to the meaning of a word or sentences. It is also for the spreadsheet application like the IF function of Microsoft Excel. 
 -
 Dash
In Mathematical operations dash is the minus
 _
 Under score
It's an alternate of the space-bar key, it is used when the space-bar not in use. And in coding language, its use in creating a variable like $my_example.
 +
 plus
In Mathematical operations, it is used to add numbers. 
 =
 Equal
It's used to show a result of calculations, in a spreadsheet application, it is the first to type before the logical formula.
 {
 Curly brackets
It is used to enclose a group of statement. And in other coding language, its use to enclose a variable.
}
 Curly Brackets
It is used to enclose a group of statement. And in other coding language, its use to enclose a variable. 
 [ ]
 Square Brackets
In writing its denotes error, in Mathematical operations, it used to enclose integer numbers.
 :
 Colon
In URL it's use of the end of HTTP, and use to describe a drive of computer storage, like C:
 ;
 Semi Colon
In programming language use to describe the end of the instructions. In other use, this serves as equal or use to separate a two sentences that have a same equal. 
 |
 Pipe or Vertical Bar
It is also used to separate a combination word, in a command like MS-DOS it is used as separator.
 \
 Back Slash
In a command like MS-DOS, it is used as separator indicates as a directory or a folder. 
 "
 Double Quotation Mark
It is used to enclose a group of text that use to describe as a sentence or a quote, like the remarks. Example in MS-Excel, =if (d4>100, "very high","very low")
 '
 Single Quotation Mark
Use to quote within a quotation, ex. Philippines President said, 'I hate drugs'. In other programming language, it is used to describe lateral strings.
 <
 Less Than
Use to compare numbers that lower to other numbers in Mathematical calculations, like 5 < 10
 >
 Greater Thank 
Use to compare numbers that higher to other numbers in Mathematical calculations, like 10 > 5
 ,
Comma
Its a punctuation mark describes in programming as an operator or instruction. This is used also to indicate thousands and logical operations its used to separate logical test and the value. 
.
Period
This is used to indicate the end of sentence or a full stop of a paragraph. In MS-DOS it indicates a parent directory.
?
Question Mark
It indicates a question, need to answer. And in the browser it indicates web address.
/
Froward Slash
In Mathematical operations, it is used as division symbol and separator of an item of a command in MS-DOS.
-
MinusMathematical operations of subtractions.

SPECIAL KEYS BELONG TO ALPHANUMERIC CHARACTER:


KEYS
NAME
FUNCTIONS
 TAB 
 Tabulator
 This is the indention key for the document and the tabulator of the windows.
 Caps Lock
 Capital Letter Lock
 For the capital letter of a document during writing.
 Shift
 Shift key
There are 2 shift keys, this is the use for single upper keys during writing.
 CTRL
 Control key
There are 2 control keys, use of partner specific keys to function another command, see the images above or the link here: 16 CONTROL KEYS
 Windows Logo
Flying Windows key
 This is used to open or customize the start menu of the desktop.
 ALT
 Alternate key
There are 2 ALT Keys, This is used to partner the numeric keypad and other special keys to function another specific command like the character map or other symbols of computer application.
 Spacebar
 spacebar
This is used to give a space between letters and words, or use to indent a character in a document at the specific size of 0.1 inches
Desktop Property Key
Desktop Property Key
This is used to open the backdoor command, just like as a right click of the mouse in the blank of desktop or in a template of application.
Backspace
Backspace
This is used to erase a character position at the left side.
Enter key
Enter key
Use as to accept any command.


4. 9 SPECIAL KEYS:


KEYS
NAME
FUNCTIONS
Print Screen SysRq
Print Screen System RequestThis is used to print the current screen image of computer or called screen shots.
Scroll Lock
Scroll Lock
This is used to lock all the scrolling techniques are meant to scroll the windows instead of moving the cursor.
Pause Break
Pause Break
In multimedia this is used to pause the movie and in command applications like in MS-DOS this is used to break the command.
Insert
Insert
It is used to overtype or insert a text or overwrites a text with the current location.
Home
Home
This is used to move or jump the cursor on the keyboard at the beginning of a line of a paragraph.
End
End
This is used to move or jump the cursor on the keyboard at the end of a line of a paragraph.
Page up
Page up
This is used to rolling up a page of a document going up.
Page down
Page down
This is used to rolling down a page of a document going down.
Delete
Delete
This is used to erase a character position at the right side.


5. CURSOR KEYS- These are the four arrows at the right side of your keyboard that it is used to navigate the environment or the user interface of the program or in nay games.

6. NUMERIC KEYS OR NUMERIC KEYPAD- There are two uses of this part, once the number lock is pressed. The numbers will function, and once it off (No light indicator at the top of number lock) it is used only for special keys like the cursor keys.

CONCLUSION:


In different programs of the computer there are many commands use for a command function, like the shortcuts. It is a combination of keys to make the command directly without using a mouse. Like in the Windows of closing the program automatically, the CTRL + F4. In any laptop design, the keyboard is nearly different, like the Fn keys that additional to the alphanumeric character. And the numeric keypad is attached also in this part.


Complete Parts and Function of Computer Keyboard Arnel Cartoneros 5 of 5
A computer keyboard is used to enter commands of the computer like the laptop and Personal Computer. This device of a computer works...
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About Arnel Cartoneros

Arnel is a Blog creator and writer, A founder and publisher of www.combinebasic.com and www.nuggetro.info. Part time Computer Instructor, Computer And Electronic Technician, And performing job as Biomedical Machine Specialist. I'm an avid fan of social media and very interested in Technical information and innovation.