String method __________ returns a String with uppercase letters.

What is the primary reason for the lack of nomenclature that has hindered the investigation and prosecution of computer-related crime?

a. the emergence of wireless technology b. the vast number of viruses and worms unleashed upon the Internet c. the reluctance of the Supreme Court to interpret emerging laws d. the huge increase in seemingly average individuals who are willing to become first-time criminals

Answer the following statements true (T) or false (F)

1. A set of I/O modules is a key element of a computer system. 2. An I/O module must recognize one unique address for each peripheral it controls. 3. I/O channels are commonly seen on microcomputers, whereas I/O controllers are used on mainframes. 4. It is the responsibility of the processor to periodically check the status of the I/O module until it finds that the operation is complete. 5. With isolated I/O there is a single address space for memory locations and I/O devices.