Question
Which of the following IPC mechanisms allows two
unrelated processes to communicate by mapping a region of physical memory into their respective virtual address spaces?Solution
Shared memory is a highly efficient IPC mechanism where processes can directly read from and write to a common region of memory. It is suitable for both related and unrelated processes (with proper setup and synchronization).
The following pie chart shows information on the sales of a toy making company "XYZ' during the financial year 2017-18.
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A gave 40% of amount to B. B gave 60% of amount received from A to C. If amount received by C from B is Rs.288, then find the amount received by B from A.
A person spent 20% of his monthly income on food and 70% of the remaining on rent. If amount spent on rent is Rs 840, then find the amount spent on food.
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