16.a small device that a user use in order to point a place on a display screen and to select one or omore actions to take from that position. A) Keyboard B) ePad C) Mouse D) ePen ANSWER: C 18.A device that portrays monitor output onto a white or silver fabric screen that is a wall or ceiling or tripod mounted. A) Monitor B) Screen Layout C) Projector D) digital LED ANSWER: C 19.is the main printed circuitbaord found in computers and other expandable systems. A) Motherboard B) Circuit Panel C) Caps Panel D) Circuit Trail ANSWER: A 20.Is a device that accepts thext and graphic output from a computer and transfers the information to documentation. A) stylus B) Projector C) Printer D) Monitor ANSWER: C 23.is the place in a computer where the operating system, application programs and data in current use are kept so that they can be quickly reached by the computer processor. A) Hard Disk Drive B) Universal Serial bus C) Random access memory D) read only memory ANSWER: C 24.converts main AC to low voltage regualted dc power for the internal components of a computer A) Power supply unit B) auto voltage regulator C) uninterruptable power supply D) all the above ANSWER: A 52.is a type of computer program that is designed to run a computers hardware and application program. A) System software B) Web Application C) Application Software D) None of the above ANSWER: A 54. a computer software designed to perform a group of coordinated functions, tasks or activities for the benefit of the user. A) All the Above B) None of the above C) Application software D) System software ANSWER: B