Computer Basic Information What is the shortcut key to "Undo" the last action in a document? Ctrl + U None of these Ctrl + Z Ctrl + X Ctrl + Y Ctrl + U None of these Ctrl + Z Ctrl + X Ctrl + Y ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information The working principles of today's computers were provided by an English mathematician Charles Babbage None of these Dr. Hollerith Donald Reach Ken Reider Charles Babbage None of these Dr. Hollerith Donald Reach Ken Reider ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Super computers are primarily useful for Mathematical-intensive scientific applications None of these All of these Data-retrieval operations Input-output intensive processing Mathematical-intensive scientific applications None of these All of these Data-retrieval operations Input-output intensive processing ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information The light pen was developed in None of these 1992 1942 1955 1976 None of these 1992 1942 1955 1976 ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information A monitor's _____ is the distance between the holes in the mask behind the screen. This helps determine how sharp the dots appear. None of these dot pitch refresh rate resolution color depth None of these dot pitch refresh rate resolution color depth ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information The latest PC keyboards use a circuit that senses the movement by the change in its capacitance. What are these keyboards called? Qwerty keyboards Capacitance keyboards Dvorak keyboards Mechanical keyboards None of these Qwerty keyboards Capacitance keyboards Dvorak keyboards Mechanical keyboards None of these ANSWER DOWNLOAD EXAMIANS APP