40+ Operating systems written in C programming !!

DG/UX
DDC-l
OpenVMS
Ultrix
HP-UX
Enea OSE
Google Chrome OS
Android
HP-UX 11i
z/OS



AIX (Advanced Interactive Exective)
OpenSolaris
OS/2
IBM Academic Operating System
ICL VME (Virtual Machine Entertainment)
MicroC/OS-III
WindowsNT
Windows CE
Singularity Operating System
RTXC Quadros
OS-9
Solaris
UNIX
Minix
BSD Unix
Darwin
Linux

Here is what happens in a minute of Internet in 2013:

Here is what happens in a minute of Internet in 2013:

416 Website hacking attempts are made
12 Websites are hacked
20 New victims of identity theft are recognized
157036 cases of financial loses in some way occur
5 new Wikipedia articles are created
50 new blog posts are created
70 new domains are registered
435 new email accounts are created

DIFFERENCE BETWEEN CORE I3, CORE I5, CORE I7...??

 Core i3:
* Entry level processor.
* 2-4 Cores
* 4 Threads
* Hyper-Threading ­ (efficient use of processor resources)
* 3-4 MB Cache
* 32 nm Silicon (less heat and energy)

 Core i5:
* Mid range processor.
* 2-4 Cores
* 4 Threads
* Turbo Mode (turn off core if not used)
* Hyper-Threading ­ (efficient use of processor resources)
* 3-8 MB Cache
* 32-45 nm Silicon (less heat and energy)
 Core i7:
* High end processor.
* 4 Cores
* 8 Threads
* Turbo Mode (turn off core if not used)
* Hyper-Threading ­ (efficient use of processor resources)
* 4-8 MB Cache
* 32-45 nm Silicon (less heat and energy)