d. complex instruction U 14. CISC processors are described as having: a complex instruction sets to do more work per instruction but needing less primary memory b. faster processing speed with reduced clock cycles c. more CPU cache memory than RISC d. all of these 15. An arithmetic shift operation that moves the binary digits held in a register by two spaces to the left is the same as: a. multiplying the original binary value by 2 6 dividing the original binary value by 2 c. multiplying the original binary number by 4 d. dividing the original binary value 4 16. All of the following are true regarding tape drives except: a. protects against data loss due to disk drive failures b. provides random data access c. used for offline archival data storage d. stores data bits as magnetic charges