A scanner is a device which transfers physical images, such as from photographs or books, into a digital format computers can read and display. There are handheld, flat-bed or feed-in types of scanner available.Know More
There are many portable and handheld scanners available on the market that drag across the surface of the document or image. The image quality from a scanner depends on many factors, including the color depth, optical resolution and density range of the scanner. Digital cameras can be used for a similar purpose; however, their poor image quality can distort the image. Smartphone apps for scanning are also available.
Enable a wireless connection by pushing a hardware button on the device and then activating the computer's wireless software on Microsoft Windows laptops. After the wireless hardware is ready, select a wireless connection from the menu of choices.Full Answer >
"OMR" stands for optical mark reader, which is a device that scans, checks and records the pencil marks on a form designed to be compatible with the device. Examples of applications for optical mark recognition technology include surveys, test questionnaires, response cards and ballotsFull Answer >
In electronics and communication terms, duty cycle refers to the operating cycle of a device or machinery that is in the "on" state intermittently. It also refers to the periodic signal in pulses sent to electronic devices to measure their properties. Duty cycles are required, especially in battery-operated electronic devices, to conserve power consumption and extend a device's useful life.Full Answer >
A quantum computer is a type of computing device that utilizes phenomena related to quantum mechanics, such as superposition and quantum entanglement, to perform processing tasks. Unlike the traditional computers that employ binary digits, quantum computers use quantum bits, or qubits, that exist in a state of quantum superposition.Full Answer >