Computer Basic Information In 1830, Charles Babbage disigned a machine called the Analytical Engine which he showed at the Paris Exhibition. In which year was it exhibited? 1870 None of these 1860 1820 1855 1870 None of these 1860 1820 1855 ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information What is the shortcut key to "Undo" the last action in a document? Ctrl + Y Ctrl + U None of these Ctrl + Z Ctrl + X Ctrl + Y Ctrl + U None of these Ctrl + Z Ctrl + X ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Which of the following memories must be refreshed many times per second? None of these ROM EPROM Static RAM Dynamic RAM None of these ROM EPROM Static RAM Dynamic RAM ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information A computer performs operations by comparing data items and then, depending on the results, follows predetermined course of action. What are such operations called? None of these Logical Physical Digital Sequential None of these Logical Physical Digital Sequential ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Use of icons and windows are characteristic of a .......... interface. windows-oriented graphical-user menu-driven None of these command-driven windows-oriented graphical-user menu-driven None of these command-driven ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information An advantage of overlapped processing activities is: increased processing activities for the entire system more effective use of the CPU None of these better coordination of I/O activities All listed here increased processing activities for the entire system more effective use of the CPU None of these better coordination of I/O activities All listed here ANSWER DOWNLOAD EXAMIANS APP