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Showing posts with label Computer Basic Tutorials. Show all posts
Showing posts with label Computer Basic Tutorials. Show all posts

Wednesday, July 2, 2014

Some Keyboard Shortcuts To Make Symbols - How to Make Symbol Using Keyboard

  July 02, 2014    

How to make symbols using your Computer Keyboard, to use these keyboard shortcuts open any text editor on the Computer and hold the Alt Key then type the Numbers using Numeric Keypad. So here is some important symbol keyboard shortcuts you must know.




Keyboard Shortcuts

Hold the Alt Key Then Type the Numeric


Alt + 1 = ☺ (Smile Face)
Alt + 2 = ☻ (Black Smile Face)
Alt + 3 = ♥ (Heart Symbol)
Alt + 4 = ♦ (Diamonds)
Alt + 5 = ♣ (Club)
Alt + 6 = ♠ (Spade)
Alt + 7 = • (Dot Bullet)
Alt + 13 = ♪ (Eighth Note)
Alt + 14 = ♫ (Beamed Eighth Note)
Alt + 18 = ↕ (Up Down Arrow)
Alt + 24 = ↑ (Up Arrow)
Alt + 25 = ↓ (Down Arrow)
Alt + 26 = → (Right Arrow)
Alt + 27 = ← (Left Arrow)
Alt + 29 = ↔ (Left Right Arrow)
Alt + 36 = $ (Dollar Symbol)



Keyboard Shortcuts To Make Symbols




Alt + 251 = √ (Square Root)
Alt + 0153 = ™ (Trade Mark)
Alt + 0169 = © (Copyright Symbol)
Alt + 0174 = ® (Registered Trademark)
Alt + 0176 = ° (Degree Symbol)
Alt + 0177 = ± (Plus & Minus Sign)
Alt + 0182 = ¶ (Paragraph Mark)
Alt + 0215 = × (Multiplication Sign)
Alt + 0161 = ¡ (Upside Down Exclamation Mark)
Alt + 0191 = ¿ (Upside Down Question Mark)
Alt + 8721 = ∑ (Auto Sum)

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Wednesday, September 4, 2013

How to Reduce Data Usage While On a 3G Limited Plan Internet Connection

  September 04, 2013    

Sometime you may notice that, in the case of using a 2G Internet connection with Data card/Mobile on your computer, after a half an hour browsing your total volume of data should not cross 100MB, but when you switched to 3G Internet connection your data usage will cross to 200MB.If you have 3G/2G Data card/USB Modem/Mobile you can check the total used volume of Data.


How to save 3G data usage, while having a 3G limited data plan

So here is the topic about, how you can save the data usage while surfing the Internet using a 3G data card/Mobile Phone. If you have a unlimited Data plan then not to worry about the data usage but if you have a limited data connection plan i.e. 700MB Internet Plan, 1GB or 2GB then you should little worry about data usage.




This is not trick, only an information how to control the data usage while you have a limited bandwidth or Data Plan of the Internet Plan.



How to Reduce Data Usage on a 3G Limited Internet Connection



1) Use your data card/mobile phone on the computer to check Email, Social Networks and other informative websites.

2) Disable chart option of your email or social network, because through chart it takes more data usage.

3) If you using Gmail, you can use the "Load Basic HTML" option just below right side of the loading page to reduce data usage.

4) Do not browse any video website and Play any video on the Web.

5) Do no upload large files to the Email or any other file sharing site, just upload important files.





6) Do no use any gadget on your computer which spool the information from the web i.e. Weather gadget, Currency, News Feeds etc. it update with a regular interval.

7) Do not use video calling on your computer unnecessarily using Skype or any other video calling apps.

8) If you browse the Internet through your mobile with 3G data, then it's better than to browse on a Computer. Because most of the websites have both Computer version and Mobile version of website.

9) Don't download any video, music and other files from Internet, it it's not required.


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Wednesday, March 27, 2013

Basic Networking Questions and Answers Part 2 (System Administrator and Desktop Support)

  March 27, 2013    

1. Explain AT & T color code for straight cable.

Answer-

Orange white
Orange

Green white
Blue

Blue white
Green

Brown white
Brown

2. What is the recommended CAT5 cable length between switch and PC?

Answer-

100 meters

3. Which pins are used in CAT5 cable?

Answer- 

1 , 2 , 3, 6
Pin1 = tx +
Pin2 = tx –
Pin3 = rx +
Pin6 = rx –

4. Where to use the cross cable and the straight cable?

Answer-

For Similar device the cross cable is used and if the device is not similar then the straight cable is used.

Example of Similar device where cross cable is used.

Switch to switch
PC TO PC
Hub to hub
Switch to Hub
PC to router
Router to router

Example of Non-similar devices for straight cable.

PC to switch
PC to hub
Router to switch


D-Link Ethernet Switch



5. Difference between DOMAIN  and  WORK GROUP

DOMAIN 

Centralized network model                                  
Domain is controlled by DC                                 
Centralized login                                                   
Centralized user database                                      
Easy and centralized management                         
Good for large network 

WORKGROUP

Decentralized network
No centralized network
Local login
Local user database
Good for small network

6. Different type of LAN topologies.

A. Bus topology

10base2(thin net)
10base5 (thick net)

B. Star topology

10baseT (Ethernet, 10 Mbps)
10baseTX (fast Ethernet, 100 Mbps)
100baseFX (fast Ethernet with Fiber)
1000baseTX (gigabyte Ethernet, 1000 Mbps)
1000baseFX (gigabyte Ethernet with fiber)

C. WAN topologies

PSTN (public switched telephone network)
ISDN (integrated switched digital network)
Frame relay
Leased line
DSL (Digital subscriber line)

7. A short description about all 7 layers of  OSI

Application layer    = user interface and application
Presentation layer  = data conversion and transformation
Session layer         = keep data of different application separately
Transport layer      = end to end connectivity using port numbers
Network layer        = logical addressing like ip address
Data link layer       = physical addressing like MAC address
Physical layer        = physical transmission of data using 0's and 1's.

8. Difference between switch and hub?

SWITCH                                                                        HUB

a. Works at layer 2                                              Works at layer 1
b.Use MAC address for packet forwarding  Use broadcast for packet forwarding
c. Doesn’t required CSMA/CD                                 Requires CSMA/CD
d. Faster then HUB                                              Slow then switch
e. Full duplex                                                      Half duplex
f. High throughput                                               Low throughput


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Basic Networking Questions and Answers Part 1 (About TCP/IP) - Interview questions for system administrator or Desktop Support.

  March 27, 2013    

1. Explain TCP/IP classes with Range of IP address

Answer-

  • CLASS A=1 to 126
  • CLASS B=128 to 191
  • CLASS C=192 to 223
  • CLASS D=224 to 239 (Multi casting)
  • CLASS E=240 to 255 (Research)


TCP / IP


2. What is private Ip address and range of private IP ?

Answer—

Private IP address are not used in Internet or not routable in Internet. These IP address are used on private Network like inside your Office etc. The private IP also called as non-routable IP.

  • Class A=10.0.0.0 to 10.255.255.255
  • Class B=172.16.0.0 to 172.31.255.255
  • Class C=192.168.0.0 to 192.168.255.255

3. Which protocol is used by PING?

Answer-

Ping uses ICMP (Internet control management protocol)

4. What is default Gateway?

Answer—

Default gateway is the address of router or Modem.

5. What is the use of Tracert ?

Answer-

Tracert (Trace Route) is a command to find path information between source and destination. It shows No. of hops between source and destination.

6. What is subnet mask?

Answer—

Subnet mask is used to differentiate Network ID and Host ID from given IP address. The default subnet mask are as under. 

Class A= 255.0.0.0
Class B=255.255.0.0
Class C=255.255.255.0

7. What is full form of PING ?

Answer-

Packet Internet Network Gopher


Ping Loop back address


8. What is Loop back address ?

Answer-

The loop back address is 127.0.0.1, This address is used to check local TCP/IP suite on local machine.

9. What is the function of router ?

Answer—

Router is a device or PC which is used to connect two or more ip address.

10. Which protocol is used, while you access a web site?

Answer-

HTTP hyper text transmission protocol.



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Saturday, February 2, 2013

Minimum Price To Have A Desktop Computer - Basic Configuration For Desktop PC

  February 02, 2013    

      Everybody need a computer to use, whether it's for home use or to do some official task at home or for their kids to learn the basic of computer and practice. So for this you do not need a high configured computer, a basic configure is enough for normal user.

      Do you want to purchase a Desktop Computer for home? then you can get this with a price of Rs.17021 (approx) and the configuration is as below. If you do not how to assemble the computer, you should ask a professional to assemble it. The configuration belongs; beetel case with smps, Intel Motherboard, Intel celeron processor, Transcend DDR 3 4GB RAM, Seagate HDD 500GB, LG DVD Writer and Acer 15.6" LED Monitor.

Desktop Computer

Details of the Components:

Beetel Computer Casing With Smps Rs 1449

Intel DH61HO Motherboard Price Rs.3141

Intel Celeron G530 processor Rs. 2301

Key Features of Intel Celeron processor G530

  • 2 Cores
  • FCLGA1155 Socket Type
  • 64-bit Architecture
  • 2.4 GHz Clock Speed
  • Memory Type Supported: DDR3-1066

Transcend DDR3-1333 4 GB RAM (JM1333KLN-4G) Price Rs. 1400

Seagate Barracuda (ST500DM002) Hard Drive 500GB Price Rs. 3580

LG GH24NS95 DVD Writer Price Rs. 1050

Acer 15.6 inch LED P166HQL Monitor Price Rs.4100


If you go for Intel Pentium Processor G630 (FCLGA1155 Socket Type) it will be cost Rs. 3492

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Friday, February 1, 2013

2 Best Free Screen Recording Software I Have Used Ever

  February 01, 2013    

1) CamStudio

Camstudio is an open source software and it's free for personal and commercial use. CamStudio_Setup_v2.6b_r294_(build_24Oct2010) is just about 4.26 MB in size, the small software can do what you want to record on your computer screen, You can set what to record, like Region, Fixed Region, Window or Full Screen. On the Tools menu --> SWF Producer which helps you to convert AVI to Flash. CamStudio works on Windows platforms, including Vista, XP, Windows 7 and Windows 8.

CamStudio - Free Screen Recording Software
Here are just a few ways you can use this software, which given on the website:

  • You can use it to create demonstration videos for any software program
  • Or how about creating a set of videos answering your most frequently asked questions?
  • You can create video tutorials for school or college class
  • You can use it to record a recurring problem with your computer so you can show technical support people
  • You can use it to create video-based information products you can sell
  • You can even use it to record new tricks and techniques you discover on your favorite software program, before you forget them
Some Features of CamStudio:
  • Video Options
  • Cursor Options
  • Audio Options
  • Record audio from microphone
  • Record audio from speakers
  • Do not record audio
  • Minimize program on start recording
  • Hide flashing rectangle during recording
  • Capture translucent/layered windows
To download CamStudio go to http://camstudio.org

2) ezvid

ezvid is not only a Screen Recorder but also you can edit the video with the Video Editor. It is also 100% freeware screen recording software to capture desktop & browser.Instant slide show maker For Windows 7, 8, Vista, & XP. The ezvid setup is about 1.28 MB in size, when you install it will download additional files (ezvid_package.exe) which is about 172.79 MB and the version of the software is (0.9.2.0). 

ezvid - Screen Recorder and Video Editor
To download go to http://www.ezvid.com


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Tuesday, January 29, 2013

Kaspersky Antivirus For Windows Price in India

  January 29, 2013    

Kaspersky Anti-Virus 2013 1 PC 1 Year Price Rs. 270
Kaspersky Anti-Virus 2013 3 PC 1 Year Price Rs. 571
Kaspersky Internet Security 2013 1 PC 1 Year  Price Rs. 590
Kaspersky Internet Security 2013 3 PC 1 Year Price Rs. 965
Kaspersky Anti-Virus 2011 For Mac 1 Year Price Rs. 1095


Kaspersky Tablet Security 1 Tablet 1 Year Price Rs 375

Kaspersky Security Software

Kaspersky Pure 2.0 1 PC 1 Year Price Rs. 1353
Kaspersky Pure 2.0 3 PC 1 Year Price Rs. 2276
Kaspersky Pure 1.2 1 PC 1 Year Price Rs. 1121
Kaspersky Pure 1.2 3 PC 1 Year Price Rs. 2128


Kaspersky Small Office Security 5 PCs + 1 File Server 1 Year Price Rs. 5228
Kaspersky Small Office Security 10 PCs + 1 File Server 1 Year Price Rs. 6458 
Buy these Kaspersky products from Online shopping stores.

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