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ICT sabs


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it's my assignment on input,output and storage devices.hope you all enjoyed

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ICT sabs

  5. 5. In computing, a keyboard is a typewriter-style device, which use arrangement of buttons or keys, to act as mechanical levers or electronic switches.We can use it when we chatting or doing assisgnment. KEYBOARD
  6. 6. WEBCAM A webcam is a video camera that feeds its image in real time to a computer or computer network.We can do a video conference call using it.
  7. 7. DIGITIZER Digitizing or digitization[1] is the representation of an object, image, sound, document or a signal (usually an analog signal) by a discrete set of its points or samples. Strictly speaking, digitizing means simply capturing an analog signal in digital form. For a document the term means to trace the document image or capture the "corners" where the lines end or change direction.
  8. 8. SCANNER In computing, an image scanner—often abbreviated to just scanner, although the term is ambiguous out of context (barcode scanner, CAT scanner, etc.)—is a device that optically scans images, printed text, handwriting, or an object, and converts it to a digital image. Commonly used in offices are variations of the desktop flatbed scanner where the document is placed on a glass window for scanning.
  9. 9. MOUSE In computing, a mouse is an input device that detects two-dimensional motion relative to a surface.We can use it to click a document ir a icon.
  10. 10. MONITOR A monitor or a display is an electronic visual display for computers. The monitor comprises the display device, circuitry and an enclosure. The monitor will show us a clear picture.
  11. 11. SPEAKER Computer speakers, or multimedia speakers, are speakers external to a computer, that disable the lower fidelity built-in speaker. We can hear sound of a music through it.
  12. 12. PRINTER In computing, a printer is a peripheral which makes a representation of an electronic document on physical media. Individual printers are designed to support local and network users at the same time.It uses to print documents and pictures.It also take lesser time in just 30 seconds, it can print more 10 pages.
  13. 13. PROJECTOR A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen.Most projectors create an image by shining a light through a small transparent lens.It uses to see movies and present a slide.Many lectures use this to present their viva
  14. 14. HEADPHONES Headphones (or "head-phones" in the early days of telephony and radio) are a pair of small loudspeakers that are designed to be held in place close to a user's ears. We can hear sounds through it.
  15. 15. DISC Disk storage is a general category of storage mechanisms where data are recorded by various electronic, magnetic, optical, or mechanical changes to a surface layer of one or more rotatingdisks.We can keep document or music inside is through burning process.
  16. 16. PENDRIVE USB flash drives are often used for the same purposes for which floppy disks or CDs were used for storage, back-up and transfer of computer files.or store their files inside it.There are many type of GB example 4GB,8GB,12GB,and16GB.the more the GB,the ore storage we can store inside.
  17. 17. MEMORY CARD A memory card or flash card is an electronic flash memory data storage device used for storing digital information. They are commonly used in many electronic devices, including digital cameras, mobile phones, laptop computers, MP3 players and video game consoles. Most of these can be diminutive, re-recordable, and can retain data without power.
  18. 18. DISKETTE A floppy disk,is used to save some documents inside it.normally,lectures or student will use it to save their documents.
  19. 19. HARD DISC A hard disk drive (HDD)[note 2] is a data storage device used for storing and retrieving digital information using rapidly rotating disks (platters) coated with magnetic material.[2] An HDD retains its data even when powered off. Data is read in a random- access manner, meaning individual blocks of data can be stored or retrieved in any order rather than sequentially. An HDD consists of one or more rigid ("hard") rapidly rotating disks (platters) withmagnetic heads arranged on a moving actuator arm to read and write data to the surfaces.
  20. 20. THANK YOU