Computer Basic Information Which of the following are often used to ensure that data has been accurately input to the computer? keyboards digitizers None of these input controls light pens keyboards digitizers None of these input controls light pens ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Memories which can be read only are called ___ Vertual Memory ROM RAM DRAM Vertual Memory ROM RAM DRAM ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information An essential difference between the operating system that runs a typical desktop computer and the operating system that runs a typical PDA is that ....... the desktop OS has a graphical user interface whereas the PDA OS does not. None of these the desktop OS manages hardware resources whereas the PDA OS does not. the desktop computer has an OS whereas a PDA does not. the desktop OS can run several programs simultaneously whereas the PDA OS cannot. the desktop OS has a graphical user interface whereas the PDA OS does not. None of these the desktop OS manages hardware resources whereas the PDA OS does not. the desktop computer has an OS whereas a PDA does not. the desktop OS can run several programs simultaneously whereas the PDA OS cannot. ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information A device invented by Dr. Bobeck in 1966, for mass storage of data is Magnetic bubble storage Magnetic tape Punched paper tape Magnetic disk None of these Magnetic bubble storage Magnetic tape Punched paper tape Magnetic disk None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information What is the most common tool used to restrict access to a computer system? Computer keys User log in Access-control software Passwords Computer keys User log in Access-control software Passwords ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Which of the following holds data and processing instructions temporarily until the CPU needs it? main memory ROM None of these control unit coprocessor chips main memory ROM None of these control unit coprocessor chips ANSWER DOWNLOAD EXAMIANS APP
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