Present time, we are so much associated with these devices that without them we would not be able to live the way we do. They play a crucial role in everybody's life. They bring a major socio-economic revolution not only in India but also in the whole world itself.
History of computers[ change change source ] The Jacquard loom was one of the first programmable devices. Definition[ change change source ] A computer is a programmable electronic device designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results of these operations, all under the control of software.
Mainframes, desktop and laptop computers, tablets and smartphones are some of the different types of computers.
An electronic machine which helps in solving problems quickly and easily. It solves problems according to instructions given to it by the computer user called programs or software. It is a digital machine that uses binary digits used in all fields.
Automation[ change change source ] Most humans have a problem with math. It is hard to remember all the steps! People made tools to help them remember where they were in a maths problem.
The other problem people have is that they have to do the same problem over and over and over again. A cashier had to make change every day in her head or with a piece of paper. That took a lot of time and made mistakes. So, people made calculators that did those same things over and over. This part of computer history is called the "history of automated calculation," which is a fancy phrase for "the history of machines that make it easy for me to do this same maths problem over and over without making mistakes.
Computer programming People did not want a machine that would do the same thing over and over again. For example, a music box is a machine that plays the same music over and over again.
Some people wanted to be able to tell their machine to do different things. For example, they wanted to tell the music box to play different music every time. They wanted to be able to program the music box- to order the music box to play different music.
This part of computer history is called the "history of programmable machines" which is a fancy phrase for "The history of machines that I can order to do different things if I know how to speak their language.
He built a mechanical theater which performed a play lasting 10 minutes and was operated by a complex system of ropes and drums.
These ropes and drums were the language of the machine- they told what the machine did and when. Some people argue that this is the first programmable machine.
Many say the "castle clock", an astronomical clock invented by Al-Jazari inis the first known programmable analog computer.Computer Essay 6 ( words) Invention of the computer has made many dreams come true even we cannot imagine our lives without computer.
Generally computer is a device used for many purposes like information storage, email, messaging, software programming, calculation, data .
Re: essay on uses and abuses of computers by Domeiner on The temporary should be tricky, to the entire, and fax enough making about the products to give us a thesis topic of what is to take. - Computers This essay will explore the history of computers, show its importance and analyse theories of future computers and their use.
Computers definition A computer defines as a device that accepts information and manipulates it . Computers are-machines that accept incoming data process them and produce outputs-depending on the users' applications.
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Read this comprehensive essay on Computers! Today’s generation could never ever imagine in their wildest dreams about the world, ages before, when there were no computers or any other technologies.
Both laptops and desktops are called personal computers, because one person at a time uses them for things like playing music, surfing the web, or playing video games. There are bigger computers that many people at a time can use.
These are called "Mainframes," and these computers do all the things that make things like the internet work.