Hardware And Software Notes Pdf

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Home About My account Contact Us. Tower PC: A computer that is upright--it looks like someone took a desktop PC and turned it on its side. Argyll College 3 First Steps with Computer Hardware Introduction To enjoy using a computer, it is not necessary to understand how it works.

Computer is an advanced electronic device that takes raw data as input from the user and processes these data under the control of set of instructions called program and gives the result output and saves output for the future use. It can process both numerical and non-numerical arithmetic and logical calculations.

Hardware refers to the physical elements of a computer. This is also sometime called the machinery or the equipment of the computer. Examples of hardware in a computer are the keyboard, the monitor, the mouse and the central processing unit.

Computer Hardware and Software Notes

Computer hardware includes the physical parts of a computer , such as the case , [1] central processing unit CPU , monitor , mouse , keyboard , computer data storage , graphics card , sound card , speakers and motherboard. By contrast, software is the set of instructions that can be stored and run by hardware. Hardware is so-termed because it is " hard " or rigid with respect to changes, whereas software is "soft" because it is easy to change. Hardware is typically directed by the software to execute any command or instruction. A combination of hardware and software forms a usable computing system, although other systems exist with only hardware.

Software is a program or an application that is installed on a computer so the computer can be used to write papers, make scrapbooks, design, presentations, create web sites, or play games What are the two categories of software? What does IPOS stand for? CategoriesofHardware TheIPOScycleistheprocessthecomputergoesthoughto receiveinput,,processthedata,outputadisplayoftheresults andstoragestoretheinformationforlateruse InputRawandunreadabledata. Mouseclick, keyboard,touchscreenetc Processinganexecutingprogram. Takestherawdata andmakesitmeaningfulturningthedatatoinformation wecanread. OutputInformation meaningfuldata thatis convertedtomeaningfulisthenoutputtoascreen, printed StorageCanbetemporary volatile orpermanent nonvolatile.

Software is a collection of instructions and data that tell the computer how to work. This is in contrast to physical hardware , from which the system is built and actually performs the work. In computer science and software engineering , computer software is all information processed by computer systems , including programs and data. Computer software includes computer programs , libraries and related non-executable data , such as online documentation or digital media. Computer hardware and software require each other and neither can be realistically used on its own.

hardware and software notes

The term hardware refers to mechanical device that makes up computer. Examples of hardware are CPU, keyboard, mouse, hard disk, etc. Computer hardware is a collection of several components working together. Some parts are essential and others are added advantages. Computer hardware is made up of CPU and peripherals as shown in image below.

About Blog Location. What is main memory in a computer? It consists of keys that are capable of inputting alphabets, numbers and special characters. Mouse is the most popular pointing device and cursor-control device having a small palm size box with a round ball at its base which senses the movement of mouse and sends corresponding signals to CPU when the mouse buttons are pressed. Computer parts can be divided into two groups, hardware and software. The computer is a two part system consisting of a body that is the hardware and a mind that is the software. Liked these Basic Computer Hardware Notes?

Computer Awareness is tested in almost every exam. One of the oft seen topics in Computers is Hardware. Basic Computer Hardware questions are easy to remember and can count for easy marks. Download as PDF for revision later. Every part of your computer is the result of years of research and development. Parts that were once hand made at a cost of thousands of man-hours are now mass produced for a fraction of a rupee.

2.3. Introduction to Computers

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Concept of Hardware and Software

Basic Computer Hardware Notes in PDF

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Computer Software. • Software – a set of programs and procedures that are intended to perform some tasks on a computer system; makes computer useful.

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