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Thursday, 29 January 2015

File Extensions used in Computers


File Extensions


Dear Readers,

Here I am giving some important file formats of multimedia objects( like text, audio, video and so on) that 
we are commonly used.

    Image Files

    .gif  Graphics Interchange Format
    ,jpeg Joint Photographic Expert Group
    .png Portable Network Graphics
    
   Text Files

    .log: Log File
    .wpd: WordPerfect Document
    .odt OpenDocument Text Document
    .pages:  Pages Document
    .doc:  Microsoft Word Document
    .docx:  Microsoft Word Open XML Document
    .tex LaTeX Source Document
    .wps:  Microsoft Works Word Processor Document

Thursday, 8 January 2015

Typical Architecture of Memory in Computer Systems


Types of Memory 


Everybody has a big confusion about the types of memories used in computer systems. I try to explain it in easy manner through its simple architecture. I wish it will be helpful for you.



Memory Hierarchy

Monday, 5 January 2015

Short Forms of Computers

SHORT FORMS-COMPUTERS
(PART-2)

Here I am presenting more short form of computer. I Hope you all like this post.

MPEG: moving pictures experts group


GOOGLE : Global Organization Of Oriented Group Language Of Earth .

YAHOO : Yet Another Hierarchical Officious Oracle .

WINDOW : Wide Interactive Network Development for Office work Solution

COMPUTER : Common Oriented Machine Particularly United and used under Technical and Educational Research.

VIRUS : Vital Information Resources Under Siege .

UMTS : Universal Mobile Telecommunications System .

AMOLED: Active-matrix organic light-emitting diode

OLED : Organic light-emitting diode

IMEI: International Mobile Equipment Identity .

ESN: Electronic Serial Number .

UPS: uninterrupted power supply .

HDMI: High-Definition Multimedia Interface

VPN: virtual private network

APN: Access Point Name

SIM: Subscriber Identity Module

LED: Light emitting diode.

DLNA: Digital Living Network Alliance

RAM: Random access memory.

ROM: Read only memory.

VGA: Video Graphics Array

QVGA: Quarter Video Graphics Array

WVGA: Wide video graphics array.

WXGA: Wide screen Extended Graphics Array

USB: Universal serial Bus

WLAN: Wireless Local Area Network

PPI: Pixels Per Inch

LCD: Liquid Crystal Display.

HSDPA: High speed down-link packet access.

HSUPA: High-Speed Uplink Packet Access

HSPA: High Speed Packet Access

GPRS: General Packet Radio Service

EDGE: Enhanced Data Rates for Global Evolution

NFC: Near field communication

OTG: on-the-go

S-LCD: Super Liquid Crystal Display

O.S: Operating system.

SNS: Social network service

H.S: HOTSPOT

P.O.I: point of interest

GPS: Global Positioning System

DVD: Digital Video Disk / digital versatile disc

DTP: Desk top publishing.

DNSE: Digital natural sound engine .

OVI: Ohio Video Intranet

CDMA: Code Division Multiple Access

WCDMA: Wide-band Code Division Multiple Access

GSM: Global System for Mobile Communications

WI-FI: Wireless Fidelity

DIVX: Digital internet video access.

APK: authenticated public key.

J2ME: java 2 micro edition

DELL: Digital electronic link library.

ACER: Acquisition Collaboration Experimentation Reflection

RSS: Really simple syndication

TFT: thin film transistor

AMR: Adaptive Multi- Rate

IVRS: Interactive Voice Response System

HP: Hewlett Packard

Facts About Computer


Interesting Facts about Computers


Some interesting facts that you may know about computers and Internet

  • Tim Berners Lee coined the term World Wide Web (WWW) in 1990
  • TYPEWRITER is the longest word that can be made using the letters only on one row of the keyboard 
  • The sentence “ The  quick brown fox jumps over a little lazy dog”  contains all the  alphabets of the English language 
  • A plug-in is a small piece of software that adds feature to a larger piece of software 
  • Did you know that Email was already around before the World Wide Web came? 
  • Sweden has the highest percentage of internet useers, about 75 %
  • From the 247 Billion Email messages sent every day, 81% are pure spam
  • Over 1 Million domain names are registered every month
  • The first hard drive was created in 1979 by Seagate and could hold 5 MB of data