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.
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.Learn More
Place your paper on the scanner or in the document feeder, if there are several pages. Then, select the number of copies and other settings. Print the copies and remove the originals from the copier.Full Answer >
To scan for and remove malware, start the computer in safe mode, delete temporary files, download and run Malwarebytes, and then delete anything the scanner found. It usually takes 30 to 60 minutes to complete the scan and removal.Full Answer >
"Check signal cable" and similar messages occur when a monitor detects a connected cable but cannot detect a device or video card on the other end of that cable. This usually occurs when a computer is powered down or a video card is not correctly installed.Full 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 >