What is computer by savita
- 1. What is computerWhat is computer ?? • The name ofThe name of computer is derivedcomputer is derived from word computer.from word computer. The word computerThe word computer means calculate someans calculate so computer means thecomputer means the device which performdevice which perform calculation. It is ancalculation. It is an electronic device thatelectronic device that is use to calculate anis use to calculate an store the data.store the data.
- 2. Differences of Hardware andDifferences of Hardware and SoftwareSoftware • ComputerComputer hardware is anyhardware is any physical devicephysical device used or with yourused or with your machinemachine • Software is aSoftware is a collection of codecollection of code installed into yourinstalled into your computer hardcomputer hard drivedrive
- 3. Computer HardwareComputer Hardware • MONITOR:- T.V likeMONITOR:- T.V like screen used to showscreen used to show picture and wordspicture and words • C.P.U:- CentralC.P.U:- Central processing unit this isprocessing unit this is where most of thewhere most of the computer calculationscomputer calculations take placetake place • KEYBOARD:- This deviceKEYBOARD:- This device is used to typeis used to type information into theinformation into the computer and containscomputer and contains the numbers 0-9the numbers 0-9
- 4. Computer Input deviceComputer Input device • Input device Mouse,Input device Mouse, Keyboard , image scanner.Keyboard , image scanner.
- 5. Computer output DeviceComputer output Device • Output device = Monitor , printerOutput device = Monitor , printer
- 6. Computer output DeviceComputer output Device • Output device = Monitor , printerOutput device = Monitor , printer