What is Computer?

 Ans. Computer is a Electronic Calculating device. That can store a lot of information and data  . It's work very high speed , and controls other machine.  

Computer Fundamental  Short Question & Answer

 1. Who was the father of computer ?

Ans. Charles Babbage.

2.Where was the First use of Computer?

Ans. Philadelphia (Pennsylvania  North America)

3.Who was the father of Modern Computer?

Ans. Alan Turing.

4.Who was the father of Personal Computer?

Ans. Edward Robert.

5. Who invented CD ?

Ans. James T Russel 

6. What is UPS?

Ans An UPS is abbreviation of Uninterruptible Power Supply. is an electric apparatus that provide emergency power to a load when main power fails . It  is a type of continual power system.

7. What is Icon ?

Ans. An Icon is a graphical small symbolic picture, which represent the program and that can be run on windows.

8. What is Desktop?

Ans. After contemplating the booting, opening screen is appeared, called Desktop. The desktop is the overall work area of your screen.

9.What is Windows?  

Ans. Windows is the popular operating system for personal computer. It released by Microsoft and its version is Win 3.1, Win 95, Win 98, Win 2000, Win Me, Win XP, Vista Windows 7 etc.

10. What is Folder?

Ans. Folder is a container where you can store files or any directories or sub directories . It also called directory.

11. What is Task Bar?

Ans. It is a long bar at the bottom of the desktop. It consist date, time, notification, start button and all running programs.

12. What is Microprocessor?

Ans. Microprocessor is the brain of personal computer. It can process data under the direction of stored set of instruction known as program.

13.What is Software ?

Ans. Software is refer to the set of computer program that are loaded into a computer for its proper functioning and processing of information. 

14. What is Operating system?

Ans. The operating system is a system software that acts as an interface between the computer hardware and the user. It is the first software that loaded into the computer memory.

15. What is Program?

Ans. A Program is a set of instruction that is given to Computer to perform a specific task.     

  

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A to Z Shortcut Keys

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CTRL - A to Z Computer Shortcut Keys of MS- Word

 CRTL + A =  All Select

CRTL + B =  Bold

CRTL + C = Copy

CRTL + D = Change The Font Format

CRTL + E = Align Text Center

CRTL + F = Find

CRTL + G =  Go to Page

CRTL + H =  Replace

CRTL + I = Italic

CRTL + J =  Align Text Justify

CRTL + K =  Hyperlink

CRTL + L =  Align Text Left

CRTL + M = Indents The Paragraph

CRTL + N = New

CRTL + O =  Open

CRTL + P = Print

CRTL + Q = Remove all Formatting From a Highlighted Paragraph

CRTL + R =  Align Text Right

CRTL + S =  Save

CRTL + T =  Create a Hanging Indent

CRTL + U = Underline

CRTL + V = Paste

CRTL + W = Close

CRTL + X =  Cut

CRTL + Y = Redo

CRTL + Z = Undo

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CTRL + SHIFT  Shortcut Keys

CTRL + SHIFT + D = Double Underline

CTRL + SHIFT + + = Superscript

CTRL + +                = Subscript

CTRL + SHIFT + > = Font Increase

CTRL + SHIFT + < = Font Decrease

CTRL + SHIFT + 

Computer related Abbreviation

COMPUTER- Common Operating Machine Purposely  Use For Technology Educational Research

BASIC- Beginner All-Purpose Symbolic Instruction Code

UPS- Uninterruptible Power Supply

CPU- Central Processing Unit

ALU - Arithmetic Logical Unit

BIOS- Basic Input Output System

HDD- Hard Disk Drive

FDD- Floppy Disk drive

RAM- Random Access Memory

ROM- Read Only Memory

HTML- Hypertext Markup Language

FTP- File Transfer Protocol

HD- High Definition

3G- Third Generation

USB- Universal Serial Bus

URL- Uniform Resource Locator 

SIM- Subscriber Identification Module

OS- Operating System

BSNL- Bharat Sanchar Nigam Limited

VSNL- Videsh  Sanchar Nigam Limited

WWW- World Wide Area Network

WiFi- Wireless Fidelity 

PAN- Personal Area Network

PIN- Postal Identification Number

SMS- Short Massage Service

CC- Carbon Copy

IOS- Iphone Operatinbg System

CD- Compact Disc

DVD- Digital Versatile Disc

HVD- Holographic Versatile Disc

FAX- Far Away Xerox

CAD- Computer Added Desgin 

3D- Third Dimensional

CCTV- Closed Circuit Television 

JPEG- Joint Photographic Expert Group 

3GP- Third Generation Partnership- Project

WAN- Wide Area Network

LAN- Local Area Network

MAN- Metropolitan Area Network

VGA- Video Graphic Array

PDF- Portable Document Format

FXP- File Exchange Protocol

GIF- Graphical Interchange Format

GPS- Global Positioning System

LED- Light Emitting Diode

CRT- Cathode Ray Tube

OLED- Organic Light Emitting Diode

LCD- Liquid Crystal Display

GUI- Graphic User Interface

Kb- Kilo Byte

GB- Giga Byte

MB- Mega Byte

TB- Tera Byte

MICR- Magnetic Ink-Character Recognition

NEFT- National Electronic Fund Transfer

NSA- National Security Agency

Q. What is Input and Output Device?

 Ans. An Input device can data send to another device. But it can not data received from another device. 

Some Example of Input Device:

                                                                   Barcode Reader

Mouse, Keyboard, Joystick, Trackball, MICR, OCR, Light Pen, Webcam, Camera, Image scanner,  Touchpad, Microphone,Bar code Reader etc.

Joystick

Trackball

Output Device: 

     An Output device can data received from another device . But it can not data send to anther device.

Some Example of Output Device

    Monitor, Printer, Projector, Speaker,

 

  

 

  Main Parts of  Computer:

1. CPU- Central Processing Unit or Control Processing Unit

2.Monitor

3. UPS- Uninterruptible power supply 

4. Keyboard

5. Mouse