Lossy compression is a type of compression that removes unnecessary components of a file to reduce the file’s size. Lossy compression is often used in multimedia files, such as still images and audio files that hold a significant amount of redundant information. Lossy compression results in a reduction of quality of the file that is …
A print server is a computer or device that is connected to one or more printers and handles all of the processes for each printer. Any computer that is connected to a printer can be considered a print server. Print servers allow the user to have a central control center for all printers in use …
A flatbed scanner is a device that is able to scan a document and then convert what it has read into digital information. Flatbed scanners are different from other types of scanner because flatbed scanners allow the user to simply lay the document down on the machine, close the lid, and scan both sides of …
An Uninterruptible Power Supply (UPS) is a device connected between the power source and a computer to ensure that electrical flow is not interrupted. UPS devices use batteries to keep the computer running for a period of time after a power failure. It is not to be confused with standby generators which do not provide …
Secure Digital (SD) memory cards are very simple to format. There are 3 main options to format the SD cards to the format needed. To successfully format an SD card, the write protection lock on the side of the card must be in the “unlock” position. SD mini and micro SD cards must be used …
A power converter is a power supply unit (PSU) that not only delivers energy to an electronic device from an electrical outlet, but also regulates the current to meet the devices specific requirements. If you have any type of sophisticated electronics such as computers, laptops, high end audio equipment, cell phones etc, the odds are …
CAS latency is short for Column Address Strobe latency. CAS latency is the time (in clock cycles) required to access a column of memory on a DRAM memory module. A CAS3 rated memory module requires 3 clock cycles to address a column of memory, where a CAS2 rated memory module can accomplish the same task …
The Universal Serial Bus (USB) interface connects peripherals in a variety of ways. These peripherals include the standard and non-standard computer mouse, keyboards, gaming controllers, scanners, printers, digital cameras, hard disks, CD/DVD-Rom drives, card media devices, music devices, speakers, and networking components. A variety of other devices that use USBs as well as devices that …
Bluetooth is a wireless communication protocol which is used to exchange information or data over short distances, with the help of fixed or mobile devices. Bluetooth wireless technology is integrated into these kinds of electronic devices to enable users to exchange information such as music, videos, and pictures wirelessly. Bluetooth technology was created in 1994 …
Inkjet printers contain hundreds of parts all working together to put millions of microscopic dots onto paper. There are five main components of an inkjet printer: print head, paper feeder, circuit board, power supply, and the case. Of these, the print head and paper feeder are the most interesting. The Print Head The print head …