y and z are user-defined objects and the += operator is an overloaded member function. The operator is overloaded such that y += z adds z and y, then stores the result in y. Which of the following expressions is always equivalent to y += z?
a. y = y operator+= z
b. y.operator+=(z)
c. y = y + z
d. y operator+=(y + z)
b. y.operator+=(z)
Computer Science & Information Technology
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Bill leaves Chicago at 4:00 P.M. traveling east on Interstate 90 toward Toledo, 200 miles away. Jim leaves Toledo at the same time, traveling west toward Chicago on the same road. They pass each other at 6:00 P.M. If Bill travels at 55 miles per hour, how fast is Jim traveling?
Solve the following time-rate-distance problems using the IPO method. Ignore time zones.
Computer Science & Information Technology
The hard-disk's surface is scratched and some or all of the data is destroyed when there is a ________.
A. cylinder crash B. head crash C. sector crash D. track crash
Computer Science & Information Technology