Which of the following memories needs refresh?

Options: DRAM B. SRAM C. ROM D. All of above

Ans:– A ,

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Middle-level managers are responsible for making the _____ decisions to allocate resources and establish controls.
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An open rectangle
Options: defines a source or destination of system data,    identifies data flow,    represents a process that transforms incoming data flow(s) into outgoing data flows,    is a data store-data at rest, or a temporary repository of data

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The MODE command of MS-DOS is used to
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What do you mean by one to many relationship between Student and Class table?
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The difference between CAD and CAM is that CAD software is directed at product design while CAM software is:
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An automatic machine that performs routine seemingly human tasks is
Options: KIPS,    AI,    PL,    Robot

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. Comments put in cells are called …..
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