Computer (Mp Patwari ) with Ramesh sir


COMPUTER Related Abbreviation(Full Form)

A

ALU - Arithmetic logic unit

ACPI - Advanced Configuration and Power Interface

AC - Alternating Current

AM - Amplitude Modulated

AMD - Advanced Micro Devices, Inc.

AMD - Advanced Micro Devices, Inc.

AMI - American Megatrends Inc.

ANSI - American National Standards Institute

API - Application Program Interface

APIC - Advanced Programmable Interrupt Controller

APM - Advanced Power Management

ASCII - American Standard Code for Information Interchange

ASIC - Application Specific Integrated Circuit

ASPI - Advanced SCSI ProgrammingInterface

AT - Advanced Technology

ATA - AT Bus Attachment

ATAPI - ATA Packet Interface

ATM - Asynchronous Transfer Mode

B

BBS - Bulletin Board System

BCC - Block Check Character

BSC - Binary Synchronous Communications

BSD - Berkeley Standard Distribution

BTU - British Thermal Units

BCD - Binary Coded Decimal

BIOS - Basic Input / Output System

BNC - Bayonet Nut Connector

BPS - Bytes Per Second

bps - bits Per Second

C

CAM - Computer Aided Manufacturing

CAD - Computer Aided Design

CAS - Column Address Strobe

CPU - Central Processing Unit

CPI - Clocks Per Instruction

CR - Carriage Return

CUI - Composite User Interface

CRT - Cathode Ray Tube

CRC - Cyclical Redundancy Check

CD - Carrier Detect & Compact Disc

CD-R - Compact Disc-Recordable

CD-RW - Compact Disc-ReWritable

CD-ROM - Compact disc read-only memory

CGA - Color Graphics Adapter

CHS - Cylinder Head Sector

COMPUTER - Common Oriented Machine Particularly Used for Trade Education and Research

CMOS - Complementary Metal-Oxide Semiconductor

CPLD - Complex Programmable Logic Device

CSR - Command Status Register

CRC - Cyclic Redundancy Check

CTS - Clear To Send

D

DVI - Digital Visual Interface

DVD - Digital Video Disc or Digital Versatile Disc

DAT - Digital Audio Tape

DC - Direct Current

DCD - Data Carrier Detect

DCE - Data Circuit-terminating Equipment

DD - Double Density

DEC - Digital Equipment Corporation

DIMM - Dual Inline Memory Module

DIP - Dual-In-line Package

DMA - Direct Memory Access

DMI - Desktop Management Interface

DOS - Disk Operating System

DPE - Data Parity Error

DRAM - Dynamic Random Access Memory

DS - Double Sided

DSP - Digital Signal Processor

DSR - Data Set Ready

DTA - Disk Transfer Area

DTC - Data Terminal Controller

DTE - Data Terminating Equipment

DTR - Data Terminal Ready

E

EBCDIC - Extended Binary Coded Decimal Interchange Code

EC - Error Check

ECC - Error Check and Correction

ECP - Enhanced Communication Port

ECU - EISA Configuration Utility

EDO - Extended Data Out RAM

EEPROM - Electrically Erasable Programmable Read Only Memory

EGA - Enhanced Graphics Adapter

EIA - Electronic Industries Association

EIDE - Enhanced Integrated Device Electronics

EISA - Enhanced Industry Standard Architecture

EMI - Electro-Magnetic Interference

EMF - Electro-Magnetic Force

EMM - Expanded Memory Manager

EMS - Expanded Memory Specification

EOF - End Of File

EOL - End Of Line

EPP - Enhanced Parallel Port

EPROM - Erasable Programmable Read Only Memory

ESCD - Extended System Configuration Data

ESD - Electro-Static Discharge

ESDI - Enhanced Small Devices Interface

F

FTP - File Transfer Protocol

FAT - File Allocation Table

FCC - Federal Communications Commission

FDD - Fixed/Floppy Disk Drive

FDDI - Fiber Distributed Data Interface

FDM - Frequency Division Multiplexing

FDX - Full-Duplex Transmission

FE - Front End

FEP - Front End Processor

FF - Form Feed

FIFO - First-In First-Out

FILO - First-In Last-Out

FM - Frequency Modulation

FPGA - Field Programmable Gate Array

FPM - Fast Page Mode RAM

FPU - Floating Point Unit

FRC - Functional Redundancy Checking

FRU - Field-Replaceable Unit

FSF - Free Software Foundation

FSK - Frequency Shifty Keying

G

GUI - Graphical user interface

GAS - Gallium Arsenide

GFLOPS - Billions of Floating Point Operations Per Second

H

HTML - Hyper Text Markup Language

HD - High Density

HDD - Hard Disk Drive

HDX - Half-Duplex Transmission

HFS - Hierarchical File System

HPFS - High Performance File System

I

IBM - International Business Machines

I/O - Input/Output

IC - Integrated Circuit

IDE - Integrated Device Electronics

IEEE - Institute of Electrical and Electronic Engineers

IMP - Interface Message Processor

IP - Internet Protocol

IPC - Inter Process Communication

IPX - Inter network Packet eXchange

IRQ - Interrupt ReQuest

ISA - Industry Standard Architecture

ISDN - Integrated Services Digital Network

ISO - International Standards Organization

ISR - Interrupt Service Routine

IVT - Interrupt Vector Table

J

JFS - Journalized File System

K

KNI - Katmai New Instructions

KVA - KiloVolt-Amps

L

LBA - Linear Block Array / Addressing

LCD - Liquid crystal display

LAN - Local area network

LOGO - Language of Graphic-Oriented

LED - Light Emitting Diode

LF - Line Feed

LIF - Low Insertion Force

LIM - Lotus/Intel/Microsofts Expanded Memory Manager

LRU - Least-Recently Used

LSB - Least Significant Byte/bit

LSI - Large Scale Integration

LUN - Logical Unit Number

LASER - Light Amplification by Stimulated Emission of Radiation

M

MAN - Metropolitan area network

MESI - Modified/Exclusive/Shared/Invalid

MIPS - Microprocessor without Interlocked Pipeline Stages

MSo - Micro Soft Office, Multi system operator

MB/Mb - Mega Bytes/bits

MBR - Master Boot Record

MCA - Micro Channel Architecture

MCGA - Multi-Color Graphics Array

MCM - Multi-Chip Module

MDRAM - Multi-bank RAM

MFLOPS - Millions of FLOating Point Operations per Second

MFM - Modified Frequency Modulated

MHz - MegaHertz

MICR - Magnetic Ink Character Recognition

MIDI - Musical Instrument Data Interface

MIMD - Multiple-Instruction Multiple-Data

MISD - Multiple-Instruction Single Data

MMX - Multi-Media Extensions

MNP - Microcom Network Protocol

MODEM - MOdulator / DEModulator

MOPS - Millions of Operations Per Second

MOS - Metal-Oxide Semiconductor

MP - Multi-Processor

MPP - Massively Parallel Processor

MPS - Multi-Processor System

MSB - Most Significant Byte/bit

MSDOS - Microsoft's Disk Operating System

MSI - Medium Scale Integration

MTBF - Mean Time Between Failure

N

N/C - No-Connect

NBS - National Bureau of Standards

NEMA - National Electrical Manufacturers Association

NFS - Network File System

NFU - Not-Frequently Used

NIC - Network Interface Card

NMI - Non-Maskable Interrupt

NMOS - Negatively doped Metal-Oxide Semiconductor

NOP - No OPeration NRU Not-Recently Used

NOS - Network Operating System

NSF - National Science Foundation

NTFS - New Technology File System

NVRAM - NonVolatile Random Access Memory

O

OCR - Optical Character Recognition

ODI - Open Data link Interface

OEM - Original Equipment Manufacturer

OS - Operating System

OSF - Open Software Foundation

OSI - Open Systems Interconnect

P

PAL - Programmable Array Logic

PB - Push Button

PBX - Private Branch eXtender

PC - Personal Computer, Program Counter

PCB - Printed Circuit Board

PCI - Peripheral Component Interconnect

PCM - Pulse Code Modulation

PCMCIA - Personal Computer Memory Card International Association

PE - Processor Element

PFF - Page Fault Frequency

PGA - Professional Graphics Array

PGA - Pin Grid Array

PIC - Programmable Interrupt Controller

PIO - Programmed Input / Output

PIROM - Processor Information ROM

PLA - Programmable Logic Array

PLCC - Plastic Leaded Chip Carrier

PLD - Programmable Logic Devices

PLL - Phase Locked Loop

PM - Preventive Maintenance

PMOS - Positively doped Metal-Oxide Semiconductor

PnP - Plug-and-Play

POST - Power On Self Test

PPP - Point-to-Point Protocol

PQFP - Plastic Quad Flat Pack

PROM - Programmable Read Only Memory

PSTN - Public Switched Telephone Network

PSP - Program Segment Prefix

PTE - Page Table Entry

Q

QAM - Quadrature Amplitude Modulation

QFP - Quad Flat Pack

QIC - Quarter Inch Cartridge

R

RAM - Random-access memory

RAID - Redundant Arrays of Inexpensive Disks

RAMDAC - Random Access Memory Digital to Analogue Converter

RAS - Row Address Strobe

RCA - Radio Corporation of America

RCC - Routing Control Center

RDRAM - Rambus DRAM

RFC - Request For Comments

RFI - Radio Frequency Interference

RI - Ring Indicator

RISC - Reduced Instruction-Set Computer

RLL - Run Length Limited

RMS - Root Mean Squared

RMW - Read Modify Write

ROM - Read Only Memory

RPC - Remote Procedure Call

RPM - Rotations Per Minute

RTC - Real Time Clock

RTS - Request To Send

S

SAM - Sequential Access Memory

SASI - Shugart Associates Standard Interface

SCSI - Small Computer Systems Interface

SD - Single Density

SDLC - Synchronous Data Link Control

SDRAM - Synchronous Dynamic RAM

SDRAM DDR - Double Data Rate SDRAM

SDRAM BDDR - Bi-Directional Strobed DDR SDRAM

SE - Systems Engineer

SEC - Single Edge Contact

SFF - Small Form Factor

SGRAM - Synchronous Graphics RAM

SMS - Short Message Service

SIMD - Single-Instruction Multiple-Data

SIMM - Single Inline Memory Module

SIPP - Single Inline Pinned Package

SISD - Single-Instruction Single-Data

SLIP - Serial Line Internet Protocol

SMD - Surface Mount Device

SMT - Surface Mount Technology

SNA - System Network Architecture

SNR - Signal to Noise Ratio

SOL - Small Out Line

SOIC - Small Outline Integrated Circuit

SPOOL - Simultaneous Peripheral Operation On Line

SPT - Sectors Per Track

SPU - Single Processor Unit

SRAM - Static Random Access Memory

SS - Single Sided

STDM - Synchronous Time Division Multiplexing

STN - Super Twisted Nematic

STU - Streaming Tape Unit

SVGA - Super Video Graphics Array

T

TCM - Trellis Code Modulation

TCP - Transmission Control Protocol

TCP/IP - Transmission Control Protocol /Internet Protocol

TDM - Time Division Multiplexing

TI - Texas Instruments

TIA - Telecomm Industry Association

TLB - Translation-Look aside Buffer

TPI - Tracks Per Inch

TRANSISTOR - TRANSformer resISTOR

TSR - Terminate and Stay Resident

TTL - Transistor-Transistor Logic

U

UAE - Unrecoverable Application Error

UART - Universal Asynchronous Receiver Transmitter

USART - Universal Synchronous/Asynchronous Receiver/Transmitter

UDP - User Datagram Protocol

UMB - Upper Memory Block

USB - Universal Serial Bus

UNIX - A trademark used for a computer disk operating system

UPS - Uninterruptible power supply

USL - UNIX System Labs

UUCP - UNIX to UNIX Copy Program

V

VIRUS - Vital Information Resources Under Seize

VDU - Visual Display Unit

VBE - Video BIOS Extensions

VCR - Video Cassette Recorder

VESA - Video Enhanced Standards Association

VGA - Video Graphics Array

VLB - VESA Local Bus

VLIW - Very Long Instruction Word

VLSI - Very Large Scale Integration

VM - Virtual Memory

VME - Versa Module Euro-car

VRAM - Video Random Access Memory

VRT - Voltage Reduction Technology

VTR - Video Tape Recorder

W

WAN - Wide area network

WATS - Wide Area Telephone Service

WD - Western Digital

WORM - Write Once Read-Many

WRAM - Window Random Access Memory

WS - Wait State

WWW - World Wide Web

X

XGA - eXtended Graphics Array

XMS - Extended Memory Specification

XOR - Exclusive-OR

XNOR - Exclusive-NOR

XT - eXtended Technology

Z

ZIF - Zero Insertion Force


Hardware: A Physical component of the computer system is called hardware. Keyboard, monitor, mouse, printers etc. are categorized as hardware.

Software: Computer programs and instructions that direct computers to perform programs.

Hardware: A Physical component of the computer system is called hardware. Keyboard, monitor, mouse, printers etc. are categorized as hardware.

Software: Computer programs and instructions that direct computers to perform programs.

 

 

 

Hardware Components

 

Monitor: It is an electronic visual display for a computer.

 

Motherboard: A motherboard is also known as the logic board, planner board and baseboard. It is the main printed board, and it allows communication between many of the crucial electronic components of the system.

 

CPU: Central processing unit mainly executes a sequence of stored programs in a computer.

 

RAM: Random Access Memory is the temporary storage of memory. All the data and programs required for running a process are stored here, until the process is over. More RAM storage space can make the computer work faster.

 

Expansion Cards: expansion cards are printed circuit boards which can be inserted into systems.

 

Optical Disk Drive: It is a disk drive that uses laser light or electromagnetic waves within or near the visible light spectrum as part of the process of reading or writing data to or from optical discs.

 

Hard Disk Drive: It is a type of disk that stores a large amount of data on an electromagnetically charged surface or set of surfaces. It is a non-volatile memory that stores data even when the power is off.

 

Basic Input Output System: BIOS prepares the software programs to load, execute and control the computer.

 

Power Supply: It supplies electrical energy to an output load or group of loads.

 

Visual Display Controller: It converts a logical representation of visual information into signals that can be used as input for a display medium.

 

Computer Bus: It is used to transfer data or power between computer components inside a computer or between computers.

Software Components

 

Virus Scanner: It’s a type of scanner is the scanner which is used to scan the virus from a security point of view of a computer.

 

Spreadsheet: Spreadsheets are an interactive application for managing and analysing data in tabular form.

 

Programming Language: This is the type of software which is used by computer programmers to develop an operating system and applications.

 

Operating System: Operating system is system software that manages computer resources and provides common services for a computer.

 

Application Software: Popular example of application software are Microsoft office suite which includes Word, Excel, and PowerPoint.

 

Word Processor: Combining the keyboard text-entry and printing functions of an electric typewriter, with a recording unit, either tape or floppy disk (as used by the Wang machine) with a simply dedicated computer processor for the editing of text.

Windows Operating System

 

Operating system definition – Operating System is widely used, a very important software and runs on the computer system.

Operating System is used to manage memory, processes of the computer and supports to computer’s hardware and software.

Operating System is used to allow for communication between user and computer system, without the complexity of users to know about the language of the computer

Internet Terms and Services

 

Flash: Flash is an embedded animation software/program that displays small animations on web pages; like the how many ducks can you shoot!

 

URL:

Uniform Resource Locator – is nothing but a web page’s address, or in other words, URL specifies the address of every file on the internet.

The protocol to be used to access the file = {http://} The IP address = {www.gmail}

The domain name = {.com} Intranet

 

 

Web Crawler

 

It is a program that visits web sites and reads their pages and other information in order to create entries for a search engine index.

 Extranet

 Gateway

 Firewall

 DNS


JJOata: It is a form of collective information in computer.

 

 Database: Database is the collection of information in which similar type of data is collected in same set/class.

 

 Binary code: The basic language of a computer. It is composed of a series of 0s and 1s.

 

 Bug: It is a programming error which prevents computer from working correctly.

 

 Cache: Cache is a component that stores data so future requests for that data can be served faster.

 

 Firewall: It is a set of software that prevents unauthorized persons from accessing certain parts of a program, database, or network.

 

 Ethernet: Protocol in the TCP/IP stack, describing how networked devices can format data for transmission to other network devices on the same network.

 

 ASCII: ASCII stands for American Standard Code for Information Interchange. Computers can only understand numbers, so an ASCII code is the numerical representation of a character.

 

 Binary code: Binary code represents text and computer instructions in form of 0 & 1. It is basic language of computer.

 

 Bus: It is a pathway by which the data is transmitted.

 

 Cookie: It is a piece of information which is send by other website while using that website.

 

 Gig: It means a gigabyte which equals to 1024 megabyte.

 

 File Transfer Protocol: Network protocol used to transfer computer files between a client and server on a computer network.

 

 Fragmentation: When memory is cut in small fragments it is called fragmentation.

 

 Compressions: It is a technique that reduces the size of file.

 

 HTTP: The Hypertext Protocol is the base by which one can communicate World Wide Web.

 

 Operating System: It is a system software which manages hardware as well as software resources for computer programs.

 

 Intranet: Intranet is a private network which is accessible by the particular organization.

 

 Hypertext Markup Language (HTML): Is a markup language for describing web pages.

 

 Compile: It is a process to convert program into machine code by which the program can be executed.

 

 MIME: Multipurpose mail extension is the extension of original internet email to exchange different kind of images, videos, files etc.

 

 Root Directory: Main folder of a storage is called root directory.

 

 CMOS: It is the battery powered memory chip that

Paper Name 

Number of Questions 

Marks 

IBPS Clerk Computer knowledge 

40 

40 

IBPS PO Computer knowledge 

40 

20 

IBPS SO Computer knowledge 

50 

75 

IBPS RRB PO Computer knowledge 

40 

20 

IBPS RRB Clerk Computer knowledge 

40 

40 

 

 

Computer Awareness Syllabi Topics for various IBPS Exams

 

Topics-covered-in-IBPS-exams-for-various-posts

 

 

IBPS PO Mains

 

Basics of Hardware and Software

Windows Operating System Basics

Internet Terms and Services

Basic Functionalities of MS-Office (MS-Word, MS-Excel, MS-PowerPoint)

History of Computers

Networking and Communication

Database Basics

Basics of Hacking, Security Tools and Viruses.

 

 IBPS Clerk Mains

 

Basics of Hardware and Software

Windows Operating System Basics

Internet Terms and Services

Basic Functionalities of MS-Office (MS-Word, MS-Excel, MS-PowerPoint)

History of Computers

Networking and Communication

Database Basics

Basics of Hacking, Security Tools and Viruses.

 

 

IBPS SO Mains

 

History of Computers

Introduction of Computer

Basics of Hardware and Software

Input /Output Devices

Number System

Operating System Basics

Basic Internet Knowledge and Protocol

Basic Functionalities of MS-Office

Networking and Communication

Database Basics

Memory and Storage Device

Computer Shortcuts Key

Computer Abbreviation

 

 

IBPS RRB

 

Basic Computer Fundamentals

Basic Software & Hardware and their Functionalities

History and Future of Computers

Networking

Computer Abbreviation

Microsoft-Office

Basic Knowledge of Internet Use

Shortcut Keyset

 


Windows Operating System

 

Operating system definition – Operating System is widely used, a very important software and runs on the computer system.

Operating System is used to manage memory, processes of the computer and supports to computer’s hardware and software.

Operating System is used to allow for communication between user and computer system, without the complexity of users to know about the language of the computer.

 

Internet Terms and Services

 

Flash: Flash is an embedded animation software/program that displays small animations on web pages; like the how many ducks can you shoot!

 

URL:

Uniform Resource Locator – is nothing but a web page’s address, or in other words, URL specifies the address of every file on the internet.

The protocol to be used to access the file = {http://} The IP address = {www.gmail}

The domain name = {.com} Intranet

 

 

Web Crawler

 

It is a program that visits web sites and reads their pages and other information in order to create entries for a search engine index.

 Extranet

 Gateway

 Firewall

 DNS

 

 

 

Basic Functionalities of MS-Office

 

MS-word, MS-Excel, MS-PowerPoint

Here are some key points about this topic which are asked in IBPS Computer awareness section.

DOC is a default file extension for all word documents.

To save an existing file with a new name or to a new location, you should use the “Save as” command.

Copy commands save to the Clipboard.

Spreadsheets are used because it does calculations automatically.

We use CTRL+E to center a paragraph.

FTP Stands for File Transfer Protocol.

 

 

Logic gates

 

A logic gate is an elementary building block of a digital circuit.

Most logic gates have two inputs and one output. Example: OR, AND, NAND, Ex-OR etc.

 

 

Logic Gate

 

History of Computers

 

1.First Generation Computer

Period: 1946-1959

 

2. Second Generation Computer

Period: 1959-1965

 

3. Third Generation Computer

Period: 1965-1971

 

4. Fourth Generation Computer

Period: 1971-1980


Networking and Communication

 

This is another important topic from which questions are asked. Here you can have a brief idea about this topic.

The Network is a collection of computers and devices connected together.

 

Types of Networks:

 

Local Area Network

Wide Area Network

Internet

Intranet

Metropolitan Area Networks

Virtual Private Network

 

Multiplexing: 

 

It is a type of method through which multiple analog messages are combined into one signal over a shared medium.

It involves one path and multiple channels.

 

Protocol: 

 

A set of rules that computer on a network use to communicate with each other are called protocol.

 

 

Databases

 

Data Base Management System is one of the important topics asked in IBPS SO exam. It is simply a 'place' where all the data are collected and stored in an organized manner.

​​​​​​​​​​​​​​Here are some basic key points which a student should know to score well in this section.

 

Data redundancy: It is like a normal dictionary, but containing metadata.

 

Data dictionary: A set of rules that computer on a network use to communicate with each other are called protocol.

 

Metadata: Contains information about all the data in the DBMS.

 

The Keys: 

Primary key is used to identify a particular or specific record (file). It is unique to a particular file.

Foreign Key makes a connection between a component (field) in one table with a component identified by a primary key.

 

Relational database:It is the kind of database model, where there are logical connections between the various files, which are kept in tables

Computer Shortcut Keys-Basic Key

Learn shortcut keys of keyboard basics in the table mentioned below:

ShortcutsWork of shortcuts
Alt + FFile menu options in the current program
Alt + EEdits options in the current program
F1Universal help (for any sort of program)
Ctrl + ASelects all text
Ctrl + XCuts the selected item
Ctrl + DelCut selected item
Ctrl + CCopy the selected item
Ctrl + InsCopy the selected item
Ctrl + VPaste the selected item
Shift + InsPaste the selected item
HomeTakes the user to the start of the current line
Ctrl + HomeGo to the beginning of the document
EndGo to the end of the current line
Ctrl + EndGo to the end of a document
Shift + HomeHighlight from the prevailing position to the start of the line
Shift + EndHighlight from the prevailing position to end of the line
Ctrl + (Left arrow)Move one term to the left at a time
Ctrl + (Right arrow)  Move one term to the right at a time  

Computer Shortcut Keys-Microsoft Windows

ShortcutsWork of shortcuts
Alt + TabSwitch between open applications
Alt + Shift + TabSwitch backwards between open applications
Alt + Print ScreenCreate a screenshot for the current program
Ctrl + Alt + DelReboot/Windows task manager
Ctrl + EscBring up the start menu
Alt + EscSwitch between applications on the taskbar
F2Rename selected icon
F3Start to find from the desktop
F4Open the drive selection when browsing
F5Refresh contents
Alt + F4Close the current open program
Ctrl + F4Close window in the program
Ctrl + Plus KeyAutomatically set widths of all columns in Windows Explorer
Alt + EnterOpen properties window of selected icon or program
Shift + F10Simulate right-click on selected item
Shift + DelDelete programs/files permanently 

Computer Shortcut Keys-MS Word


ShortcutsWork of shortcuts
Ctrl + BBold highlighted selection
Ctrl + CCopy selected text
Ctrl + XCut selected text
Ctrl + NOpen new/blank document
Ctrl + OOpen options
Ctrl + POpen the print window
Ctrl + FOpen find box
Ctrl + IItalicize highlighted selection
Ctrl + KInsert link
Ctrl + UUnderline highlighted selection
Ctrl + VPaste
Ctrl + GFind and replace options
Ctrl + HFind and replace options
Ctrl + JJustify paragraph alignment
Ctrl + LAlign selected text or line to the left
Ctrl + QAlign selected paragraph to the left
Ctrl + EAlign selected text or line to the centre
Ctrl + RAlign selected text or line to the right
Ctrl + MIndent the paragraph
Ctrl + THanging indent
Ctrl + DFont options
Ctrl + Shift + FChange the font
Ctrl + Shift + >Increase selected font +1
Ctrl + ]Increase selected font +1
Ctrl + [Decrease selected font -1
Ctrl + Shift + *View or hide non printing characters
Ctrl + (Left arrow)Move one word to the left
Ctrl + (Right arrow)Move one word to the right
Ctrl + (Up arrow)Move to the beginning of the line or paragraph
Ctrl + (Down arrow)Move to the end of the paragraph
Ctrl + DelDelete the word to the right of the cursor
Ctrl + BackspaceDelete the word to the left of the cursor
Ctrl + EndMove the cursor to the end of the document
Ctrl + HomeMove the cursor to the beginning of the document
Ctrl + SpaceReset highlighted text to the default font  
Ctrl + 1Single-space lines
Ctrl + 2Double-space lines
Ctrl + 51.5-line spacing
Ctrl + Alt + 1Change text to heading 1
Ctrl + Alt + 2Change text to heading 2
Ctrl + Alt + 3Change text to heading 3
Shift + F3Change case of selected text
Shift + InsertPaste
F4Repeat the last action performed (Word 2000+)
F7Spell check selected text and/or document
Shift + F7Activate the thesaurus
F12Save as
Ctrl + SSave
Shift + F12Save
Alt + Shift + DInsert the current date
Alt + Shift + TInsert the current time
Ctrl + WClose document
Ctrl+=Set chosen text as a subscript.
Ctrl+Shift+=Set chosen text as superscript.  

Computer Shortcut Keys- MS Excel

ShortcutsWork of shortcuts
F2Edit the selected cell
F5Go to a specific cell
F7Spell check selected text and/or document
F11Create chart
Ctrl + Shift +;Enter the current time
Ctrl +;Enter the current date
Alt + Shift + F1Insert new worksheet
Shift + F3Open the Excel formula window
Shift + F5Bring up the search box
Ctrl + BBold highlighted selection
Ctrl + IItalicize highlighted selection
Ctrl + DFill
Ctrl + KInsert link
Ctrl + FOpen find and replace options
Ctrl + GOpen go-to options
Ctrl + HOpen find and replace options
Ctrl + UUnderline highlighted selection
Ctrl + YUnderline selected text
Ctrl + 5Strikethrough highlighted selection
Ctrl + OOpen options
Ctrl + NOpen new document
Ctrl + POpen print dialog box
Ctrl + ZUndo the last action
Ctrl + F9Minimize current window
Ctrl + F10Maximize currently selected window
Ctrl + F6Switch between open workbooks/windows
Ctrl + Page up & Page DownMove between Excel worksheets in the same document
Ctrl + TabMove between two or more open Excel files
Alt + =Create the formula to sum all of the above cells
Ctrl +Insert the value of the above cell into the current cell  
Ctrl + Shift + !Format number in comma format
Ctrl + Shift + $Format number in currency format
Ctrl + Shift + #Format number in date format
Ctrl + Shift + %Format number in percentage format
Ctrl + Shift + ^Format number in scientific format
Ctrl + Shift + @Format number in time format
Ctrl + (Right arrow)Move to next section of text
Ctrl + SpaceSelect entire column
Shift + SpaceSelect entire row
Ctrl + WClose document  

Computer Shortcut Keys- Powerpoint

ShortcutsWork of shortcuts
EscExit the slide show and go back to the earlier live view.
Ctrl+KEnter a hyperlink.
Ctrl+MInclude a new, blank slide after the chosen slide.
Ctrl+NOpen a new, blank slide in a different PowerPoint program window.
CTRL + DDuplicate the current slide
Ctrl+Shift+>Increases the chosen text size by one font size.
Ctrl+Shift+<Decreases the chosen text size by one font size.
CTRL + GGroup things together
F5Start presentation fro


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