Monday 25 April 2011

Track Your Lost Mobile Phone


Something very useful for all mobile phone users. Please read.
> Here
> is an interesting fact to share.. Now a days each one
> of us carry Hi Fi Mobile devices and always fear that it may
> be stolen.

> Each mobile carries a unique IMEI i.e International Mobile
> Identity 
> No which can be used to track your mobile anywhere in the
> world.
> This is how it works!!!!!!

> 1. Dial *#06# from your mobile.

> 2.Your mobile shows a unique 15 digit.

> 3.Note down this no anywhere but except your mobile as this
> is the number which will help trace your mobile in case of a
> theft.

> 4.Once stolen you just have to mail this 15 digit IMEI no.
> to cop@vsnl.net

> 5.No need to go to police.

> 6.Your Mobile will be traced within next 24 hrs via a
> complex system of GPRS and internet..

> 7.You will find where your hand set is being operated even
> in case your number is being changed.

Thursday 21 April 2011

Protect Computer from viruses without using AntiVirus.

Yes you can protect your computer from viruses without using any antivirus at all. This sounds tricky but its very simple. Now a days most of the viruses are come through USB’s. Every time we connect USB to our system we scan it for viruses with the help of antivirus. This could be quite expensive and time consuming as well. But not everyone knows that viruses can’t be activated unless you double click open your USB through My Computer or open it when Autorun dialog box appears when you connect USB to your system. Viruses activated from usb with the help of a file named “AUTORUN.inf

wrongusb
So what are the options left to open USB drive. There is another way to open USb Drive and it’s Safe too. Always open USB drive using MY Computer and then go to the Address bar type your USb drive letter or select from a list shown below.
rightway
Now that you open USB it doesn’t mean that virus is removed from USB. It’s still in USB so now we have to remove virus and file “AUTORUN.inf“. Most of the viruses are hidden so first we have to unhide the settings in Folder Options. To do this open Folder Options from Control Panel or from openMy Computer-> menu-> Tools-> Folder Options. Folder Options dialog box appears. Click on View tabas shown below. Then select option Show hidden files and folders as shown below and unselect check box of Hide protected Operating system files(Recommended). Now Click Apply and then Click OKbutton.
folderoptions
Now delete files Which are hidden and file named “AUTORUN.inf“. This will remove any virus found in the USB and its files.
lastusb

Saturday 16 April 2011

BAGAIMANA BEKALAN ELEKTRIK DIBEKALKAN KEPADA PENGGUNA?


Sistem kuasa elektrik secara umumnya merupakan satu peranti yang menukarkan dan memindahkan tenaga elektrik bagi keperluan seharian mahupun untuk pembangunan. Di antara cabaran dan dugaan yang harus diterokai oleh para jurutera kuasa meliputi;

  1. mencari punca-punca tenaga yang baru,
  2. mendapatkan dan memastikan bekalan tenaga yang mencukupi untuk masa hadapan,
  3. membekalkan tenaga yang diperlukan di mana-mana sahaja,
  4. menukarkan tenaga daripada suatu bentuk ke bentuk yang lain tanpa mencemarkan alam sekitar, dan
  5. memastikan tahap liabiliti yang tinggi untuk sistem kuasa di samping aspek penjagaan dan perlindungan ekologi global.
Suatu rangkaian sistem kuasa elektrik terdiri daripada 3 bahagian utama: stesen penjanaan, talian penghantaran dan sistem pengagihan atau lebih dikenali sebagai sistem pembahagian.


PENJANAAN: - merupakan proses pengeluaran tenaga elektrik dengan kuantiti yang banyak. Bagi tujuan ini, sebuah mesin janakuasa dipasang dan diputarkan oleh penggerak iaitu air, enjin dan sebagainya.
            Terdapat pelbagai stesen janakuasa untuk mengeluarkan tenaga elektrik. Stesen janakuasa terdiri daripada beberapa jenis mengikut cara dan kaedah menggerakkan suatu janakuasa tersebut, di antaranya ialah
ü  Stesen kuasa Stim (wap).
ü  Stesen kuasa Hidro.
ü  Stesen kuasa Diesel.
ü  Stesen kuasa Nuklear.
ü  Stesen kuasa Angin.

TALIAN PENGHANTARAN: - merupakan pautan sambungan di antara stesen-stesen penjanaan dan sistem pengagihan. Pautan dengan sistem kuasa elektrik lain dibuat melalui sambungan dalaman (interconnection).

SISTEM PENGAGIHAN: - merupakan penyambungan kesemua beban individu ke talian penghantaran di stesen-stesen pencawang (sub-station), stesen pencawang berperanan sebagai transformasi voltan dan pensuisan.
            Akhir sekali, para pengguna boleh mengutilisasikan tenaga elektrik yang dihantar pada paras voltan yang selamat digunakan.





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