Write a short note on operating system?

Answer 1

At its most basic level, programming a computer simply means telling it what to do, and this vapid-sounding definition is not even a joke. There are no other truly fundamental aspects of computer programming; everything else we talk about will simply be the details of a particular, usually artificial, mechanism for telling a computer what to do. Sometimes these mechanisms are chosen because they have been found to be convenient for programmers (people) to use; other times they have been chosen because they're easy for the computer to understand. The first hard thing about programming is to learn, become comfortable with, and accept these artificial mechanisms, whether they make ``sense'' to you or not.

In fact, you shouldn't worry if some (or even many) of the mechanisms used for programming a computer don't make sense. It doesn't make sense that the cold water faucet has to be on the right side and the hot one has to be on the left; that's just the convention we've settled on. Similarly, many computer programming mechanisms are quite arbitrary, and were chosen not because of any theoretical motivation but simply because we needed an unambiguous way to say something to a computer.

In this introduction to programming, we'll talk about several things: skills needed in programming, a simplified programming model, elements of real programming languages, computer representation of numbers, characters and strings, and compiler terminology.

Answer 2

information provided to the management for decision making with the help of computer is known as

Answer 3

Software is the set of instructions or more generally a collection of computer programs which tell the hardware how to work and perform different tasks on a computer system.

Answer 4

an operating system is a system that acts interface between the user and its hardware

Answer 5

a monitor or display is an electronic visual disply for computers

Answer 6

Adware software notes