Computer Basic Information A hand-held device for optically reading bar codes on goods, labels & shelves is Light pen Touch tablet Mouse Wand None of these Light pen Touch tablet Mouse Wand None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information The ALU of a central processing unit does the essential maths work for the computer. What does the control unit do? Monitors the flow of information Activates the output device None of these Control the printer Communicates its results Monitors the flow of information Activates the output device None of these Control the printer Communicates its results ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Which of the following best describes a computer-based information system? A system in which a computer is used to turn data into information Inputting data Processing data Performing complex mathematical calculations Data is put into the computer for processing A system in which a computer is used to turn data into information Inputting data Processing data Performing complex mathematical calculations Data is put into the computer for processing ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Programs prepared by an outside supplier & privided to a user in a machine readable form is known as Application program Application software Canned program Utility program None of these Application program Application software Canned program Utility program None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Which of the following memories needs refresh? SRAM None of these ROM DRAM All of these SRAM None of these ROM DRAM All of these ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information What is the correct association between a hardware component and a computer function? Monitor > input CPU > storage Hard disk > processing Mouse > input None of these Monitor > input CPU > storage Hard disk > processing Mouse > input None of these ANSWER DOWNLOAD EXAMIANS APP
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