____________ XML Invoice Specification enables business customers to exchange creditcard purchase information over the Internet in a secure standardized form.
Fill in the blank(s) with the appropriate word(s).
Visa
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Answer the following statements true (T) or false (F)
1. Every programmer must know all the details of what that programmer's team mates are doing in their projects to do the work assigned. Why? 2. Procedural abstraction involves information hiding in that only the 'contract' between the programmer using the function (the client) and author of a function is known to either. 3. Code after a return or a call to the exit function is executed will not be executed. 4. A sequence of calls to the library function rand() generates mathematically correct random number sequences. 5. It is legal to replace the prototype double totalCost(int numberParam, double priceParam); with the more terse, alternate form double totalCost(int, double);
What is one of the disadvantages of a server-based network compared to a peer-to-peer network?
A. additional costs B. decentralized data access C. difficult to expand D. less secure
The standard input stream is named ____.
A. stdin B. stdout C. instream D. ostream
Evaluate the formula of slope of a line 
using the given values of the variables. Give your answer as a fraction in lowest terms. 
What will be an ideal response?