What are system calls in simple terms?

What are system calls? They are nothing, but interrupt generated by hardware according to an instruction so that operating system is able to gain the control of processor. So, they are not a set of instructions to do a specific function in...

Shortcuts for Microsoft Excel

Microsoft Excel is a software package. It is a spreadsheet application created and designed by Microsoft Corporation. It is capable of performing calculations and creating charts. I have given below the shortcuts for Microsoft Excel. In your top of...

Microsoft Paint

Microsoft paint is a software package for creating Bitmap images, jpeg images and as well as is used to edit the images.  In File menu we have new option this option is used to create new bitmap image. Open is used to open the existing paint...

Programmers

A team of people is need to design and manage a large website. The Project manager is the head of the team. He is working with two main group of members. One group is called web developers and other group is called as web designers. The other main...

Ms-Word –Insert – Links Pane

  Ms-Word –Insert – Links Pane Hyperlink This option is used to create a link to webpage or image or an email address. Bookmark Book mark is used to create name to a particular point in the document. For example you keep your cursor in the...

Ms-Word – Insert Tab

Word is used to creating the documents. We can create many documents by using word. Some Word options Iam explaining here for your future use. The extension of word document is .doc or .docx. Ms-Word – Insert TabIn Insert tab option pages pane is...

MS Word – Font Tasking Pane

  MS Word – Font Tasking Pane Clear Formatting Button Clear formatting button is used to clear the formatting of selected text. Text Highlight color Text highlight colour is used to highlight the text likewise we highlight the text using...

Creating Document using word

  Word office button     In Windows XP Microsoft Office is available. MS Office has three tools Msword, MsExcel and Mspowerpoint. Today we are going to learn about Word office button. Before that Iam going to tell one secret. Somebody may know...

How a thread differs from a process?

In this section, I am giving you a brief idea about threads and how it differs from a process. Also I am explaining its advantages over a process. In my previous section I have given a brief idea of process and you can refer that section with the...

What is a process?

In this section, I would like to give you a simple concept about process, inter-process communication and its system calls. Also, I have tried to point out some of its differences with a program.To tell something about a process, we should know...

Can a deadlock be resolved completely?

  First of all, let me illustrate, ‘What is actually a deadlock and how it happens?’. I am taking a simple example. Suppose, there is a bridge or a passage through which only one person can pass at a single time. If two persons, A and B, both...

While reading “The Alchemist” by Paul Coelho, I came across this beautiful phrase: “There is a force that wants you to realize your destiny”. If such a force could manifest into the steady resolve I have of pursuing MS in Computer Science from your...

Compact Discs

  We all use CDs/DVDs to store our data which we can reuse whenever required. Compact Discs were made available worldwide in late 1982. These CDs have diameter of 120 millimetres which can holddigital data upto 700 MB in size. Lets see how...

OOPS concepts

Before stating you about OOPS concepts, Let me explain you why oops? I wil give out a example for this. why a teacher divides a group a maths students and other to be science, Simply your mind wil give out an answer that it wil be easy for a...

Learn Computer Science - chapter 1

Computer is an electronic device which is made up of different types of devices. These devices are made up of electronic circuits. These devices are input devices, output devices & storage devices. These devices are called Hardware. Hardware...

Computer Virus

Computer Virus 'Computer virus' is a widely used and yet highly misunderstood phrase. Let us see what a computer virus really is. A computer virus is basically a computer program and much like the micro organisms, this program is capable of...

Computer languages

Computer languages 1. FORTRAN Formula translation  is the expanded version of the language FORTRAN. Fortran is the first high level scientific language. It was developed by IBM in the year 1957. The latest form of this language id FORTRAN IV....

Computer operations

Computer opertions We could begin by ensuring that the power supply to the system is intact. Press now the switches on the monitor and the CPU and the computer has begun its function.   What the computer does first is to test its memory. This...

Computer hardware Hardware is the term used commonly to describe the components of a computer like the monitor, the keyboard, the hard disk, the floppy drive, C.P.U and the printer Computer software A computer cannot do things on its own. Its...

BASIC DIFFERENCES BETWEEN SPACE COMPLEXITY AND TIME COMPLEXITY   SPACE COMPLEXITY: The space complexity of an algorithm is the amount of memory it requires to run to completion. the space needed by a program contains the following...

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