What benefit is gained by placing the bottom of the stack at array index 0 when designing an array-based stack data type?
What will be an ideal response?
Placing the bottom at index 0 means that existing stack items do not have to move for push or pop
operations. The implementation of push and pop can be O(1). If the top of the stack was at index 0 and all existing elements
had to be moved to implement a push or a pop operation, then push and pop would become O(n), which is less efficient.
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What output would you expect after typing the following:
$ prog1 $ e2=20; export e2 $ e4=40 prog1 Here are two programs called prog1 and prog2: $ cat prog1 e1=100 export e1 e2=200 e3=300 prog2 $ cat prog2 echo e1=$e1 e2=$e2 e3=$e3 e4=$e4 $
The interrupt vector ________.
a) is an array of pointers to PCBs of processes generating interrupts. b) can be modified only by running processes. c) is an array of pointers to interrupt handlers. d) stores information about each interrupt that occurs.
It is illegal to hack into any system without a permission of the system's owner
Indicate whether the statement is true or false.
Investigations involving the preservation, identification, extraction, documentation, and interpretation of computer media for evidentiary and root cause analysis are known as _________.
A. digital forensics B. criminal investigation C. crime scene investigation D. e-discovery