mursal ppt hardware.pptx computer software

mursal ppt hardware.pptx computer software

• 1.
  Computer Hardware
• 2.
  Computer Hardware is thephysical components of the computer, Refers to the tangible (things you can touch) components of a computer system.
• 3.
  Hardware components arefurther divided into three groups. 1. Input Devices 2. Output Devices 3. System Unit
• 4.
  An input devicelets you communicate with a computer. You can use input devices to enter information and issue commands. An output device displays information on a screen, creates printed copies or generates sound. The system unit is the part of the computer which is responsible for accepting and processing the data brought in by the input devices INPUT DEVICE OUTPUT DEVICE SYSTEM UNIT
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  INPUT DEVICES
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  Is a standardinput device of most computers. Used to type data into the computer. Keyboard
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  Mouse is a hand-clicked deviceused for pointing and moving objects Joystick is an input device which is commonly used for computer games
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  Track Ball Light Pen basicallyan upside down mouse a device used to draw, write, or issue commands when it touches a specially designed screen
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  A scanner allowsyou to scan documents, pictures, or graphics and view them on the computer. Scanner Microphone Used to input sound into a computer
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  OUTPUT DEVICES
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  Printers an output devicethat produces text and graphics on paper Inkjet Printer Laser Printer Impact Printer
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  Monitor The monitor isused to provide soft copy output.
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  Play sounds transmitted aselectrical signals from the sound card. Speaker is a type of video projector for displaying video, images or computer data on a screen or other flat surface Multimedia Projector
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  SYSTEM UNIT
• 15.
  Motherboard The motherboard isthe main circuit board of a microcomputer. It is also known as the mainboard or system board is a storage device that store billons of characters of data on a nonremovable disk hard disk
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  CPU The central processingunit carries out each instruction of the program in sequence, to perform the basic arithmetical, logical, and input/output operations of the system it supplies power from the power supply to the drive. The power cables are red, yellow and black. The yellow wire furnishes 12 volts of power, the red wire furnishes 5 volts of power, the two black wire are ground wire for each. Power Supply
• 17.
  The memory ina computer system is of two fundamental types: The main/primary memory and the secondary memory. Memory Primary Memory Secondary Memory RAM HDD
• 18.
  Floppy Disk Drive Usedto stores and retrieves information on a floppy disk. CD/DVD Drive is a device that reads information stored on a compact disc, it is a storage device that use laser technology to read data from optical disks.
• 19.
  Modem is a boardthat is plugged into a computer to give it display capabilities. enhances the computers sound generating capabilities by allowing sound to be output through speakers. A modem is a device that sends and receives data over telephone lines to and from computers. Sound Card video card
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  Thank You.