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Computer notes
Data: Raw facts and figures, like
numbers, text are called data.
Information: The meaning way data is
called information.
Instruction: It is a command given to
computer.
Program: The set of instruction
given to a computer to perform a task is called program.
Software: The set of program is
called software. Ex- addition, subtraction and multiplication makes software of
calculator.
Input: Data or information given
to the computer is called input.
Output: The result of computer is
called output.
MS WORDà
Microsoft Word
is a word processor developed by Microsoft.
It is used for creating,
editing, formatting, storing, retrieving and printing of a text document.
Microsoft Word's file
formats are denoted either by a .doc or .docx file extension.
Cursor : A cursor is an indicator used to show
the position on a computer monitor.
Save : Save is
used for saving current editing.
Save as : Save as is
used to save a document for the first time. It is also used to change the
location of the saved file in the computer.
Print Preview : Print
Preview is used to see the document
before the printout is taken.
Cut and Paste : Cut and
Paste options are used to move the data
from one part of the document to another.
Copy and Paste : Copy and
Paste options are used to make duplicate
copy of data from one part of the document to another.
Title Bar: The
bar at the top of the window that have the name of the window, is known as Title Bar.
Header and Footer : Header and
Footer option is used to display
information such as title and page number of the document.
Header is
located at the top and Footer is located at bottom of the page.
Microsoft Excelà
Microsoft Excel is a spreadsheet
application developed by
Microsoft.
Microsoft Excel's native file formats are
denoted either by a .xls or .xlsx
file extension.
Workbook: A Microsoft office
document that contains one or more
Worksheets/ Spreadsheets is known as a Workbook.
MS Excel have 3 worksheet by default.
ROW: 1,048,576
COLUMN: 16,384
Cell: The intersection of a row
and column is called a Cell.
Active Cell: The cell in which we are currently working is
known as Active Cell.
Cell
Address:
The letter and number of the intersecting column and row is
the Cell
Address.
Microsoft
PowerPointà
Microsoft
PowerPoint is
a slide show presentation program
developed by Microsoft.
Filename extension: .ppt, .pptx
Computer shortcut Keys
Shortcut
Key:
CTRL + A =
SELECT ALL
CTRL + B =
BOLD
CTRL + C =
COPY
CTRL + D = Open
FONT Dialog
CTRL + E =
CENTER ALIGNMENT
CTRL + F =
FIND
CTRL + G =
GO TO
CTRL + H =
REPLACE
CTRL + I =
ITALIC
CTRL + J =
JUSTIFIED
CTRL + K =
HYPERLINK
CTRL + L =
LEFT ALIGNMENT
CTRL + N =
NEW FILE
CTRL + O =
OPEN
CTRL + P =
PRINT
CTRL + R =
RIGHT ALIGNMENT
CTRL + S =
SAVE
CTRL + U =
UNDERLINE
CTRL + V =
PASTE
CTRL + X =
CUT
CTRL + Y =
REDO
CTRL + Z =
UNDO
Computer full form learn
Computer Full Form:
COMPUTER
– Commonly Operated
Machine Particularly Used for Technology Education and Research
BIOS - Basic input Output
System
URL - Uniform Resource
Locator
CMOS - Complementary Metal Oxide Semi-
Conductor
SMTP
- Simple Mail Transfer Protocol
HTTP
- Hyper Text Transfer Protocol
HTML
– Hyper Text Markup Language
ARP
- Address Resolution Protocol
IP
- Internet Protocol
DHCP
- Dynamic Host Configuration Protocol
GIF
- Graphics Interchange Format
CDMA - Code Division Multiple Access
GSM
- Global System for Mobile Communication
GPS
- Global Positioning System
GUI
- Graphical User Interface
CUI
– Command User Interface
HDMI
High Definition Multimedia Interface
HDD
Hard Disc Drive
NIC
- Network Interface Card
HDTV - High Definition Television
ISP
- Internet Service Provider
JPEG
- Joint Picture Expert Group
CRT
Cathode Ray Tube
LCD
- Liquid Crystal Display
LED
- Light Emitting Diode
DSL
- Digital Subscriber Line
MAC
- Media Access Control
LAN
– Local Area Network
WAN-
Wide Area Network
CAN
- Campus Area Network
PAN
- Personal Area Network
IPV4
- Internet Protocol Version 4
IPV6 - Internet Protocol Version 6
DBMS
- Data Base Management System
MODEM
- Modulator Demodulator
RAM
- Random Access Memory
ROM
- Read Only Memory
SMPS
- Switch Mode Power Supply
OMR
- Optical Mark Reader
OCR
- Optical Character Reader
BCR
- Bar Code Reader
MICR
- Magnetic Ink Character Reader
SRAM
- Static RAM
DRAM
- Dynamic RAM
PROM
- Programmable ROM
EPROM
- Erasable Programmable ROM(UV-UltraViolet Rays)
EEPROM
- Electrically Erasable Programmable ROM
CD
- Compact Disc
DVD
- Digital Video/Versatile Disc
BRD
- Blu Ray Disc
ALU-
Arithmetic logical unit
CPU-
Central Processing Unit
PDF
- Portable Document Format
USB
- Universal Serial Bus
VIRUS
- Vital Information Resource Under Siege
WIFI
- Wireless fidelity
ARPANET
- Advanced Research Projects Agency
Network
SQL
- Structured Query Language
XML : Extensible Markup
Language
WWW : World
Wide Web
CEO : Chief Executive
Officer
Friday, October 4, 2019
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