Intro to Information Technology

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Sunday, 19 June 2011

optical-mark recognition

Posted on 05:16 by Unknown




Optical-mark recognition (OMR) is the process of capturing human-marked data from document forms such as surveys and tests.
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Optical-character recognition

Posted on 04:55 by Unknown
Optical-character recognition (OCR) is the mechanical or electronic translation of scanned images of handwritten, typewritten or printed text into machine-encoded text. It is commonly used to convert books and documents into electronic files, to computerize a record-keeping system in an office, or to publish the text on a website.

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Magnetic-ink

Posted on 04:47 by Unknown




Magnetic-ink is a character recognition technology used primarily by the banking industry to facilitate the processing of cheques. The technology allows computers to read information (such as account numbers) off printed documents.
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Laser printer

Posted on 04:20 by Unknown




A laser printer is a common type of printer that print high quality text and images on plain paper. Laser printers do not use ink but they are able to print pages faster. Laser printers typically have a resolution of 600 dpi (dots per inch) or higher.
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Ink-jet printer

Posted on 01:54 by Unknown




Ink-jet printers are most commonly used computer printer which creates digital image by propelling droplets of ink onto paper. From small inexpensive consumer models to very large professional machines, that can cost up to thousands of dollars.

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Ergonomic Keyboard

Posted on 01:46 by Unknown




An ergonomic keyboard is a computer keyboard which consider to minimize muscle strain and a host of related problems. It allows right and left hands to type at a slight angle more natural to the human form. Of course, this is much more expensive than the normal keyboard types.
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Wednesday, 15 June 2011

Input and Output

Posted on 17:41 by Unknown
Ergonomic Keyboard
Ink-jet printer
Laser printer
Magnetic-ink
Optical-character recognition
Optical-mark recognition

Secondary Storage
 Disk Caching
File Compression
File Decompression
Internet hard drive
Optical Disc Drive
Solid-state Storage
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Blog Archive

  • ▼  2011 (71)
    • ▼  June (22)
      • Network Administrator
      • Network Operating Systems
      • Server
      • Client
      • Node
      • TCP/IP
      • Bandwidth
      • Demodulation
      • Modulation
      • Chapter 9
      • Solid-state storage
      • Optical disk drive
      • Internet hard drive
      • File compression & depression
      • Disk caching
      • optical-mark recognition
      • Optical-character recognition
      • Magnetic-ink
      • Laser printer
      • Ink-jet printer
      • Ergonomic Keyboard
      • Input and Output
    • ►  May (28)
    • ►  April (21)
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