Section 16.6
Review Questions
Bus timing
  1. Which circuit generates a series of regular pulses?
answer...
clock
  1. Where does the word synchronize come from?
answer...
it comes from several Greek words:
syn -- together chronos -- time
  1. Which mineral is often used to make computer clocks?
answer...
quartz, which is a form of silicon dioxide
  1. Suppose your computer has a clock rated at 450 MHz. What does this mean?
answer...
450 Mega-Hertz, where 1 Hertz (Hz) is one cycle per second,
thus 450 million cycles per second
  1. Hertz is a measurement of ______________
answer...
frequency
  1. What is period?
answer...
the reciprocal of frequency, it is the amount of time that one complete cycle takes
  1. In the following picture of a read operation on a simple bus, which time section is when the receiving side can safely pull data off the data wires? (A or B)
answer...
  1. What keeps values stable when they were being put onto bus wires?
answer...
flip-flops in the component that is injecting the data onto the wires
  1. Which kind of bus relies on a clock to coordinate all bus activity?
answer...
synchronous bus
  1. Complete the sketch below for a write operation on a simplified bus.
answer...