A. a software company has 4000 computers. so it needs 4000 ip addresses. assume class-full addressing. what would be the ideal class from which the company would choose its ip addresses to prevent wastage of ip addresses? how many such networks would the company need for getting 4000 addresses? how many addresses would be wasted?

When the pc version of the spreadsheet program became available, the ibm pc quickly became the top-selling personal computer?

Write a program that prompts the user to input a string. the program then uses the function substr to remove all the vowels from the string. for example, if str = "there", then after removing all the vowels, str = "thr". after removing all the vowels, output the string. your program must contain a function to remove all the vowels and a function to determine whether a character is a vowel.

In excel - calculate the actual increase/decrease from first quarter to the second quarter then subtract subtract first quarter value from second quarter total then divide result by first quarter value