Advantages of Mainframe Computers ✦ Availbility ➤ The recent mainframe systems Z series are designed to provide availability of 99.999%. ✦ Scalability ➤ The ability of a system to expand as resources, such as processors, memory, or storage are deleted. ✦ Reliability ➤ It is a measurement of the ability of a system to continue processing without failure. ➤ The "Z" in the...