Justify the existence of programming languages to precisely communicate instructions?

What computer network component allows data transfers from one computer to another through a telephone line?

Apython programming question: assume s is a string of lower case characters. write a program that prints the number of times the string 'bob' occurs in s. for example, if s = 'azcbobobegghakl', then your program should print number of times bob occurs is: 2

Each row in a database is a set of unique information called a(n) ? a.) table. b.) record. c.) object. d.) field.