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why is the Harvard architecture is sometimes used in preference to the von Neumann architecture and give examples of each system

The Harvard architecture can fetch instructions while accessing data memory at the same time.The Harvard architecture is used for embedded computers and von Neumann architecture is used for desktops.
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Simplify the boolean expression ¬(A.B)+A.

¬(A.B)+A -- given in question. =(¬A+¬B)+A -- using De Morgan's Law. =¬A+¬B+A -- can remove the brackets. =1+¬B -- using identity ¬A+A = 1.=1 -- using identity 1 + anything = 1.
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Write a Pseudocode function that returns the factorial of an integer input.

--------------------------------------INPUT XY = 1 WHILE ( X > 1) Y = X * Y X = X - 1 OUTPUT Y-------------------------------It is also possible to complete this task using recursion DEF fact(n): IF (n &g...
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Give two types of management of either hardware or other resources that are performed by an operating system.

Memory Management, Processor Scheduling. Memory management allocates a specific area of memory to each application or open file while the computer is running. If the computer's RAM is not enough for a partic...
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Explain how a stack could be used in the process of evaluating an expression in Reverse Polish notation.

Starting at the left hand side of the expression push values onto stack. Each time operator reached in the expression pop the top two values off the stack and apply the operator to them, then push the new va...
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