Skip to main content

OMR Scanner

What is OMR Scanner?

The OMR scanner puts a shining beam of light on the document and detects the marked area from unmarked ones. This is possible because a marked area reflects more light in comparison to an unmarked area. An Optical Mark Recognition technique is use when students have appeared for objective type tests and they had to mark their answer by darkening a square or circular space by pencil. These answer sheets are directly fed to a computer for grading where OMR is use. Then users create their own forms in a word processor by using desktop OMR software and print it by a laser printer.

The process of desktop OMR software is to work with an image scanner with the help of a document feeder which produces forms once filled out. For adding marks on OMR sheets a folder inserter equipment is use. In the sequence of black dashes in sheets the marks are added and the folder inserter equipment scans in order to determine and the usage area of OMR sheets are, It normally used for conducting offline exams in exam center were candidates provided with question papers and the OMR answers sheets (Used to mark a dark circle in the answer sheets).
OMR Scanner


Labels:

Comments

Post a Comment

Popular posts from this blog

Printer

What is Printer? Another widely used output device is a printer and it is a computer peripheral device. A printer produces a hard copy of a processed text or a result. A hard copy refers to a permanent human-readable text or graphics taken on physical print media such as paper or transparency. A printer will use toner to provide a quality print on paper, a toner is a replaceable material. Once the toner gets empty we can refill it and reuse it.  Most of the printers are used for commercial purposes such as private offices, industries, government offices, photo studios, etc,. Most of the printers are used to print emails, documents, files, images, color photos, color documents, color posts, banners, advertisement posters, etc,. There are the following 5 types of printers such as dot matrix printer, inkjet printer, laser printer, dye-sublimation printer, and plotter printer this are all the printer which uses nowadays for a printing purpose. A printer is characterized by the followin...
6 comments
Read more

Interconnecting Devices

Interconnecting Devices An Interconnecting devices is a network device. It used to transfer data from one computer to other computer with the help of network devices. There are five categories of interconnecting devices are such as. Router  Hubs  Switches/Bridge  Repeater  BRouter Repeater: Now I am going to tell you the repeater is an electronic device that used to receive and send a signal. It amplifies the signal and noise. It provides transmission of the signal.  HUB (Hyper User Bus):  In this, it used to link several computers in the same network. It based on broadcasting, and it sends the data to all computers and repeats the signal which receives a signal from one port and copies to other port and traffic are high. Bridge / Switch:  In this, we can see the interconnecting devices which can divide a single network into two or more segment are called Bridge / Switch.  It has multiple ports like 2, 4, 16, and 32. The Switch main...
Post a Comment
Read more

Optical Disk Drives

What is Optical Drives? Optical Drives is a hardware device which used for reading and writing  a data in CD and DVD Disc. It uses electromagnetic waves to produce visible light spectrum which provide a read/write data process in optical disc. The CD was develop by Sony and Denon which is introduce in 1984 and the storage capacity is 650 MB. The DVD is develop by Panasonic, Sony, and Toshiba which is introduce in 1995 and the storage capacity is 4.7 GB. Types of Optical Disk Drives Some of the commonly used optical storage devices compact disks are Compact Disk Read Only Memory (CD-ROM) Compact Disk Recordable (CD-R) Compact Disk Rewritable (CD-RW) Compact Disk Digital Video Disc (DVD) Types of Optical Disk Drives Compact Disk Read Only Memory (CD-ROM) The Compact Disk Read Only Memory it contains data were computers can read but not write or erase in CD-ROM it is a type of read-only memory. In the 1990s CD-ROM was use for software and data distribution for the computer. Some ...
Post a Comment
Read more