What software can only be modified by the company that owns it?

free

open-source

proprietary

all of the above

A ___ field allows the user to select from a list of values.

What are the advantages of using a server operating system?

Get two positive integers from the user. Write code to multiply the two numbers together using only addition or subtraction. You should not use the '*' operator. Remember that x*y is simply x+x+x + ... + x, y times.

TCP is a Transport-layer protocol used to communicate between applications, but it's a lightweight Transport-layer protocol, meaning it lacks many of the reliability and flow control features of UDP.

The understanding of computer function?

Why will my headphones work with my ipod, but not on my computer?

List of the seven basic internal components found in a computer system

What is an iteration? (Select the best answer) A function that is defined but not called All the cycles of a loop added together A function that is typed out multiple times One cycle of a loop

Which is an advantage of using a flat file instead of a relational database? A flat file is easier to set up. It is easier to assign foreign keys to a flat file. A flat file reduces storage of redundant data.

Why is it important to communicate a timing protocol prior to sending messages