Common GSM Codes or USSD Codes and Their Use

These are some of the common GSM service commands (or service codes), also called USSD (Unstructured Supplementary Service Data) codes and their use.

Call Redirection


*#61# To check status of redirection of all incoming calls, if there is no answer.

##002# To Cancel redirection of all calls

Call Waiting or Holding

How to Launch an html file (web page) using Autorun

Here in this post we will see how to launch a .html  file automatically from a CD or DVD using Windows AutoRun feature. If you are new to Autorun, please read this post: What is AutoRun and AutoPlay ? How to Set it ?

If you want to know more about autorun commands, please read this post: How to Make a AutoRun CD or DVD Using Autorun.inf

The open command used in tte autorun.inf file cannot launch an html file (web page ) directly. Instead, we can open the webpage through some application.

How to Launch .msi Files using Autorun from CD

In this post, we will see how to autorun a .msi file from a CD. If you are new to Autorun, please read this post: What is AutoRun and AutoPlay ? How to Set it ?
If you want to know more about autorun commands, please read this post: How to Make a AutoRun CD or DVD Using Autorun.inf

The open command supports only executable files. So, if you want to launch an msi (miscrosoft installer) file from CD automatically when it is inserted to CD drive, use the following code in the Autorun.inf file.

Relational Algebra - Selection, Projection, Joins etc

The relational algebra defines a set of operations on relations, paralleling the usual algebraic operations such as addition, subtraction etc which operate on numbers.The relational algebra operations take one or two relations (tables) as input and return a relation as output. This post we discuss the following relational operations:
  1. Selection (σ)
  2. Projection (π)
  3. Cartesian product
  4. Joins

Selection Operation (σ)

How to Make a AutoRun CD or DVD Using Autorun.inf

In this post we will see how to setup autorun on a CD or Pen drive using Autorun.inf file. If you are planning to create a CD with autorun (launch a file automatically on insertion of disc), this post will be helpful for you. If you are not much familiar with AutoRun, read the following post, to get an idea about autorun feature:  What is AutoRun or AutoPlay and How to Set it?

Now, we see how to make an autorun CD.

STLD Previous Year Question Paper 2013 for Third Semester Computer Science

Free download Previous year 2013 question paper for B.Tech degree examination of Switching Theory and Logic Design for third semester Computer science and engineering (CSE).

Subject : Switching Theory and Logic Design or STLD (3rd sem)
Course : BTech Engineering
Department: Computer Science and engineering (CS)
Semester: Third semester (s3)
University : MG university Kottayam kerala

MG University BTech Mechanical Engineering Third Semester Syllabus

The syllabus for Third semester BTech (B.Tech) Mechanical Engineering under MG University ( Mahatma Gandhi university Kottayam Kerala) is available for download in pdf format. To download it, click here

EDC Previous Year Question Paper 2013 for Third Semester Computer Science

Free download Previous year 2013 question paper for B.Tech degree examination of Electronic devices and circuits for third semester Computer science and engineering (CSE).

Subject : Electronic devices and circuits (3rd sem)
Course : BTech Engineering
Department: Computer Science and engineering (CS)
Semester: Third semester (s3)
University : MG university Kottayam kerala

Previous Year Question Paper for Principle of Management for B.Tech Courses

Free download Previous year 2014 question paper for B.Tech degree examination of Principle of management for the branches : Aeronautical Engineering, Computer science, Electrical and electronics engineering (AN, CS, EE) Fifth semester.

Subject : Principle of Management (5th sem)
Course : BTech Engineering
Department: Aeronautical Engineering, Computer Science and engineering (CS), Electrical and electronics engineering
Semester: Fifth semester (s5)
University : MG university Kottayam kerala

Computer Organisation Previous Year Question Paper 2013 for Third Semester Computer Science

Computer Organisation 2013 Previous year Question Paper for BTech third Semester Computer Science under MG university

Free Download pdf Computer Organization (CO) Previous years Questions Papers 2013 November s3 (third semester) B.Tech Computer Science exam.

Subject : Computer Organisation (3rd semester)
Course : BTech Engineering
Department: Computer Science
Semester: Third semester (s3)
University : MG university Kottayam kerala

Engineering Mathematics IV 2013 Previous Question Paper for BTech Fifth Semester under MG university

Engineering Mathematics IV 2013 Previous year Question Paper for BTech Fifth Semester under MG university

Subject : Engineering Mathematics IV (5th semester)
Course : BTech Engineering
Department: Mechanical, Civil, Electronics and communications, electrical, Aeronautical, polymer, Applied Electronics, Automobile Engineering etc. (Except for Computer Science and IT)
Semester: fifth semester (s5)
University : MG university Kottayam kerala

Fifth Semester BTech Computer Science and IT Mathematics Previous Year Question 2014

Previous year question paper 2014

Subject : Engineering Mathematics IV (EN010501 B)
Course : BTech Engineering
Department: Computer Science and Engineering and IT (Information Technology)
Semester: fifth semester (s5)
University : MG university Kottayam kerala

How to make tables using HTML code

In HTML (Hyper Text markup Language), <table> tag is used to create tables. Table is basically meant to represent data in tabular form. But people also use tables to design webpages, especially when they want to divide the web pages into some equal blocks. Now we will start with the basics of table tag. The table starts with a <table> tag and ends with the HTML tag </table>. Whatever comes in between <table> and </table> is either the data in the table or further HTML codes to design the table. These two tags help only to inform the starting and ending of the table.

How to Disable AutoRun or AutoPlay in Windows Operating Systems

Here i am writing about the methods to disable AutoRun feature in Microsoft Windows Operating Systems. To know more about AutoRun, See this post: What is AutoRun or AutoPlay and How to Set it?If you want to make an AutoRun CD or Pen Drive yourself, just visit this page: How to Make a AutoRun CD or DVD Using Autorun.inf. To disable Autotrun or Autoplay features, there are multiple methods. Methods may also be different for different versions of Windows operating system.

Disable AutoPlay on Windows 8 or 8.1

  • Open Start Menu
  • Goto PC Settings (gear icon).
  • got PC and Devices
  • Select AutoPlay
  • Click on the ON or Off Toggle button to turn it off.

What is AutoRun and AutoPlay ? How to Set it ?

AutoRun or AutoPlay is a feature of Microsoft Windows operating Systems which causes a certain file to be opened automatically when a Compact disc is inserted or a thumb drive is connected. Windows provide us some AutoPlay options to choose from. It can be chosen in the 'properties' of the CD Drive. You might have noticed that when we insert the CDs of Softwares or some movies some application will be launched automatically. In most cases, it may be one with a menu or a movie player. Such AutRuns are designed by the software vendors. Similarly, we can also design an autorun for a CD we burn or even for a pen drive.