Quiz 5.3

DIRECTIONS: Read each question carefully. Then click on the dot next to the answer that most closely fits the question. Try to answer all questions on this quiz and when you are done, click on the grade me button at the bottom.

Coverage: Sections 5.5 to 5.6

  1. What do we call a group of flip-flops that store a bit pattern or binary number?
decoder
latch
register
memory

  1. What do we call the rightmost bit of a binary number?
least significant bit
most significant bit

  1. Which digit would cause the most change in the value of the decimal number below if we changed it? 
               284396
2
8
4
6

  1. Which things are stored in a computer's main memory?
data coming from input devices
data that is currently being processed
programs
all of the above

  1. Which type of memory cannot be altered?
RAM
ROM

  1. Which kind of memory uses ultra-tiny capacitors to store a charge to indicate 1 or 0?
SRAM
DRAM
either
neither

  1. Which kind of program would most likely be stored in ROM?
bootstrap program
a user's program
the main operating system

  1. How many general purpose registers do many modern RISC computers have?
1
10
16
hundreds

  1. What is the trade-off that accompanies "capacitor memory"?
it is harder for programmers to access
it must be refreshed periodically in order to keep the stored data values
it is significantly more expensive
it cannot store as much data as its flip-flop counterpart

  1. What kind of technology does SRAM use?
flip-flops
multiplexors
ultra-tiny capacitors
none of the above