Create an array of MY_STRING handles with 100 elements. Initialize each element of the array to NULL. Use your init_c_string function to initialize the first element of the array to the string "COPY ME!". Write a for loop that uses your assignment function to copy the first string into every other element of the array. Destroy every element of the array with a for loop calling destroy on each element but use string_insertion to print each element to the screen just before deleting it. TA CHECKPOINT 2: Demonstrate to your TA that your program has no memory leaks using valgrind. Demonstrate that by commenting out the for loop that destroys your strings you can create a memory leak big enough to hold 100 copies of the "COPY ME!" string.

Acomputer is a multipurpose device that accepts input, processes data, stores data, and produces output, all according to a series of stored . the processing unit of most modern computers is a(n) . the instructions that tell a computer how to carry out a task are referred to as computer , which are distributed as software. computers run three main types of software: software, system software, and development tools. an example of system software is a computer system, which is essentially the master controller for all the activities that a digital device performs. digital devices are constructed using tiny electronic components that represent data bits as electrical signals. the system unit houses the system board, which contains several circuits made from semiconducting materials. computers come in three popular form factors: component, , and slate. many of today's digital devices operate on battery power supplied by ion batteries. battery life and lifespan can be extended by following good battery management practices.

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Use a physical stopwatch to record the length of time it takes to run the program. calculate the difference obtained by calls to the method system.currenttimemillis() just before the start of the algorithm and just after the end of the algorithm. calculate the difference obtained by calls to the method system.currenttimemillis() at the start of the program and at the end of the program so that the elapsed time includes the display of the result. use the value returned by the method system.currenttimemillis() just after the end of the algorithm as the elapsed time.