Computer Basic Information Which of the following are often used to ensure that data has been accurately input to the computer? light pens keyboards digitizers None of these input controls light pens keyboards digitizers None of these input controls ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information The ability of an operating system to control the activities of multiple programs at the same time is called ......... multi-processing None of these multi-paging multitasking multi-operating multi-processing None of these multi-paging multitasking multi-operating ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information In MODEMS None of these A digital signal changes some characteristic of a carrier wave Digital signal is amplified Several digital signals are multiplexed All of these None of these A digital signal changes some characteristic of a carrier wave Digital signal is amplified Several digital signals are multiplexed All of these ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information In which year was UK's premier computing event called "The Which Computer" started? 1985 None of these 1980 1987 1986 1985 None of these 1980 1987 1986 ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information When did IBM close the last of its punched card manufacturing plant? None of these June, 1989 December, 1984 November, 1979 March, 1982 None of these June, 1989 December, 1984 November, 1979 March, 1982 ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information A computer port is used to? Donwload files Communicate with other computer peripherals Communicate with hard disks None of these Donwload files Communicate with other computer peripherals Communicate with hard disks None of these ANSWER DOWNLOAD EXAMIANS APP
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