Computer Basic Information A beam of light used to record and retrieve data on optical disks is known as None of these polarized light coloured light unpolarized concentric light laser None of these polarized light coloured light unpolarized concentric light laser ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information The first mechanical calculator was invented in None of these 1972 1658 1642 1958 None of these 1972 1658 1642 1958 ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information A pen shaped device which can sense light, and is used to point at spots on a video screen. Plotter Mouse None of these Light pen Joystick Plotter Mouse None of these Light pen Joystick ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information How many bits can be stored in the 8K RAM? 8192 4000 4096 8000 None of these 8192 4000 4096 8000 None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information A computer-controlled device for training exercises that duplicates the work environment is a: trainer duplicator COM device simulator None of these trainer duplicator COM device simulator None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information An internal storage consisting of arrays of small rings of magnetic material called ferrite is None of these Magnetic disk Optical mark reader Magnetic core Magnetic tape None of these Magnetic disk Optical mark reader Magnetic core Magnetic tape ANSWER DOWNLOAD EXAMIANS APP
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