1. Writing Hello World, Open you notepad and write this line

#include<stdio.h>
main(){
printf(“hello world\n”);
}

2. Save it and name the program with .c as extension.
for example hello.c

3. Compile the program using compiler, you can use and install gcc, after installation complete open command prompt and enter command below

gcc hello.c -o hello

4. The compiler will compile the program and result some file
hello.c and hello.exe

5. Now you can run the program by typing hello or hello.exe and hit enter

C program consist of function and variables .
Function contains statements that specify computing operations to be done,
Variables store values used during the computation
Main is special function, your program begins executing at the beginning of the main
Function arguments are list of values provided when calling the function, as a method to communicate data between function

If you want to try android software but you don’t have any phone that support this operating system. don’t worry you can observe and try android application/software by using Bluestack. Bluestack will enable you to install any software that usually runs / installed on android, fast and with full screen. You can get experience to play android software such as angry birds, pulse, dll.

this software comes with some features such as :

we can do some modification to bluestack to optimize blue stack application to work. this modification requires us to edit our windows registry. you may try to change some values in windows registry file that describes blue stack.

you can go there to edit its value
regedit-> HKEY_LOCAL_MACHINE\SOFTWARE\BlueStacks\Guests\Android\
each key and values represent different respond if you edit it :). before you edit these values i suggest you to backup your registry.

For your information, any application which meets android specification will be able to install here, but of course any software which requires to access some other sensor which only available on smartphone, such as accelerometer can not run properly.

A lot of font types can be used to beautify your web, your design, your ms word project. Sometime these font types are not available by default in Windows 7 or MAC, so it is better for you to look around, doing observation to choose which font that can help you this is come sites which offer us Free Download Font. Just click link below to go to download page 🙂

These are Top 10 sites that offer us Free download font

1. www.1001freefonts.com 
2. www.dafont.com
3. www.urbanfonts.com
4. www.fontyukle.net
5. www.ffonts.ne
6. www.fontspace.com
7. cooltext.com/Fonts
8. scripts.sil.org/FontDownloads
9. www.fontsquirrel.com/fonts/list/mostdownloaded
10. font.ubuntu.com

Installing font in photoshop can be done by simply download font and install it on windows.

1. Download the font you want to install
2. To download font you can google it or go to dafont.com,
3. Open .zip file, double click font file (with .ttf extension)
4. Choose yes, when installation window comes up
5. Check installed font on control panel > appearance and personalization > font
6. Run Photoshop
7. Check installed font in font option

This font will also appear in other program that enables us to write alphabet such as word processing aka MS WORD and MS Excel, enjoy 🙂

When we are sitting for to long time in front our laptop, or our monitor, our eyes are easily exhausted. for short term it may not be a problem for us, but for long term, it tend to reduce our eyes’ health. so we can use this software called eye pro. This software basically will inform you when to take a break from your laptop screen. this break is important for laptop users who work in front of monitor for more than 2 hours each day. This program is available for free download EyePro.

beside its basic function eye pro has there features :
· Short breaks with eye exercises every at preset time.
· Eye exercises shown by an eye pleasing Tweet bird.
· Screen blocking long breaks for every Pre time.
· Sound Notifications with male voice.
· Customizable parameters.
· Notifications announcing a long break coming.
· Automatic adaptability by activating “THM” mode.
· Multi-monitor system support.
· Eye Pleasing and Un-irritative Pop Ups.
· Displays Facts and tips related to eye during breaks.
· Health Meter which indicates the status of improvement due to regular use of EyePro.
· Adjust display settings with just 1 click of a button to avoid eye strains.
· Answer a simple questionnaire which estimates your present eye status and generates a suitable THM code.
· Automatic adjustment of program settings according to your current eye status by activating THM mode.
· A unique program that is done under guidance of eminent eye specialists.

To protect your eyes from laptop screen and to monitor your eyes health you can download this eye pro software for free.
here