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Browsing Category "Computer - Device Intro"
  • Keyboard - Introduction

    By Adhyan Guruji → Thursday, September 24, 2020

     

    Keyboard





    The Keyboard Divided into 5 Parts. Keyboard Contains 102 to 112 Keys

    1.      Function Keys (F1 to F12) = 12 Function Keys

    2.      Typing Pad Keys (A to Z with 0 to 9 Digit Keys)

    3.      Numeric Pad Keys ( 1 to 10 , Num Lock , + , - , * , / , Enter) set of 17 Keys

    4.      Control Keys ( Direction Arrows = {Left , Down, UP and Right} , Delete , Insert ,  Page up , Page Down, Home , End, Pause-Break, Control(Ctrl), Alternate (Alt), Escape (Esc))

    5.      Special Purpose Keys (Caps Lock, Num Lock, Tab , Space Bar, Print Screen, Enter and  Shift)

    Keyboard Symbols Name

    ~

    tilde

    `

    back quote

    !

    exclamation

    @

    at

    #

    pound/hash

    $

    dollar

    %

    percent

    ^

    caret

    &

    and/ ampersand

    *

    asterisk

    ( )

    parenthesis

    [ ]

    bracket

    { }

    curly braces

    -

    minus/ hyphen

    _

    underscore

    =

    equal

    :

    colon

    ;

    semicolon

    /

    slash/forward slash

    \

    backslash

    |

    pipe/bar

    +

    plus

    < 

    less than

    > 

    greater than

    ,

    comma

    .

    period / full stop / dot

    apostrophe / single quote

    ?

    question mark

    double quote

     

    Special Purpose Keys Use

    Enter ¿

    Go to the next Line after press Enter Key

    Space Bar  

    Space after word e.g. Hello spacebar students (1 Character Space)

    TAB  

    Maximum space between Word (5 Character Space) / Set Tab

    Shift Ý

    Pressing Shift Key We can Write Upper case Letter or Insert Symbols

    Backspace ¬

    Delete one by one character from left side (If Mistakes in word)

    Window Key used for open Program or Run Program (Using Key + R)

    Scroll Lock

    In Excel, Scroll lock used for Lock Screen and Move page with up/Down Arrows Keys)

    Print Screen

    Capture screen shot of present screen

    Home

    Go to the beginning of current line (cursor) if used with Ctrl Go to the beginning 1st line of page

    End

    Go to the end of current line (cursor) if used with Ctrl Go to the end last line of page

    Pageup

    Move page one by one up side

    Page down

    Move page one by one down side

    Insert

    Override the current line (Mostly used in Programming)

    Delete

    Delete one by one character from Right side

  • Fundamental of Computer - Devices Introduction

    By Adhyan Guruji →

     

    Computer Devices

    The device that is used to put information into a computer or to obtain information.

                                          


    Input-output Device


       

    There are 2 Types of Devices

    Ø  Input device

    §  Keyboard

    §  Mouse

    §  Joystick

    §  Light pen

    §  Scanner

    §  Trackball

    §  Microphone

    §  MICR

    §  OCR

    §  Bar code scanner

    §  OMR Scanner


    Ø  Output devices

    §  Monitor (CRT/FPD)

    §  Printers

    §  Graphics Plotter

    §  Audio Speaker

    §  Headphone

    §  Projector


    Ø  Dual (Input/output) devices

    §  Touch Screen Monitor

    §  Headset

    §  Modem (internal / External)

    §  NIC

    §  Sound Card

    §  Flash Drive

    §  Disk Drive

    ·         FDD

    ·         HDD

    §  CD/DVD Drive