1. ALU, Memory, Control Unit, Input, Output
    or ALU, Memory, Control Unit, Input/Output (P.5)
  2. CD-RW drive uses a medium-power laser beam to change pits to lands. The beam changes a spot from the amorphous state to the crystalline state.
  3. United States and Australia
  4. 1101000
  5. No.
    28*1024*8/56 = 4096 seconds = 1.14 hours.
    1. 128
    2. -0 (or 0)
    3. -127
    4. -128
    5. 1
  6. 2. Text Editor (P.169)
    1. 1011, overflow
    2. 1100, overflow
    3. 10002 (=-8)
    4. 00002 (=0)
    5. 00012 (=1)
    1. 467
    2. 1457
    3. 1217
    4. 1447
    5. 10247