8-32. 8-33. 8-34. 8-35. 8-36. 8-37. When the ST-506/412 interface is used, the controller card performs which of the following functions for disk drives? 1.  Moves  the  magnetic  head 2.  Spins  the  magnetic  disk 3. Strips off formatting and control words 4. All of the above When the ST-506/412 is used to interface a hard disk drive, which of the following cabling is required? 1.  A  34-pin  control  cable 2. A 20-pin data cable 3. Both 1 and 2 above 4.  A  shielded  coaxial  cable When the ST-506/4 12 is used to interface a floppy disk drive, which of the following cabling is required? 1.  A  34-pin  control  cable 2. A 20-pin data cable 3. Both 1 and 2 above 4.  A  shielded  coaxial  cable The enhanced small device interface can transfer data at up to which of the following rates? 1.  5  megabits  per  second 2. 24 megabits per second 3.  125  megabits  per  second 4.  1.2  gigabytes  per  second When the enhanced small device interface is used with a floppy disk drive, which of the following cabling is required? 1.  A  34-pin  control  cable 2. A 20-pin data cable 3. Both 1 and 2 above 4.  A  shielded  coaxial  cable All electronics used for the integrated drive electronics interface are located in which of the following areas? 1.  The  computer  motherboard 2. The controller card 3. The integrated CPU 4. The hard drive 8-38. The integrated drive electronics interface can handle disk drives with what maximum capacity? 1.   1   MB 2.   80   MB 3.   180MB 4. 300 MB 8-39. What is the minimum number of conductors 8-40. 8-41. 8-42. 8-43. 54 required for I/O serial data operations? 1 .    1 2 .     2 3. 37 4 .    4 During asynchronous data exchange, a frame of data must include which of the following bits at a minimum? 1. One start bit 2. One stop bit 3.  Seven  character  bits 4. All of the above During asynchronous data exchange, what is the maximum number of bits for one frame of data? 1 .     8 2 .     9 3. 10 4. 11 Compared to asynchronous data exchange, synchronous data exchange has which of the following advantages? 1. Faster speed 2. More reliability 3.  Less  electronics  required 4. Fewer bits required for each character The generally accepted standard connector for implementing an RS-232 connection has what total number of pins? 1. 12 2. 25 3. 26 4. 32