Computer concepts Exam Questions with Complete Solutions

Computer concepts Exam Questions with Complete Solutions Wireless audio-output connections typically use Bluetooth technology. - ANSWER true Telephony, also known as Internet telephony, is the VoIP application that uses the Internet rather than traditional telephone lines to support voice communication. - ANSWER true The most widely used input devices are monitors, printers, and keyboards. - ANSWER false A magnetic card reader does not require the card to actually make contact with the reader. - ANSWER false Multitouch screens allow for interaction such as rotating graphical objects on the screen with your hand. - ANSWER true The monitor size is measured by the diagonal length of the viewing area. - ANSWER true An optical mouse uses light in order to detect movement - ANSWER true Resolution for a printer is a measure of the clarity of images produced, measured in dpi (dots per inch). - ANSWER true Digital or interactive whiteboards display a computer's desktop and can be controlled using a special pen or a finger. - ANSWER true Multifunctional devices (MFDs) are used to capture as well as play back recorded sounds. - ANSWER false Thermal printers use heat elements to produce images on heat-sensitive paper and are used at ATMs and gasoline pumps. - ANSWER true Combination keys perform a function when held down in combination with another key. - ANSWER true Unmanned aerial vehicles (UAV) are too expensive for anything but military budgets. - ANSWER false A stylus uses pressure to draw images on a screen. - ANSWER true Output devices are any hardware used to provide or to create output. - ANSWER true Secondary storage will retain data when the computer is turned off. - ANSWER true To be an effective and efficient computer user, you need to recognize the role of information technology in your personal and professional life. - ANSWER true Insurance companies are most likely to use personal computers to process information about millions of policyholders. - ANSWER false