Quiz 6.1

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: Section 6.1

  1. Which character encoding system is most widely used today, especially in personal computers?
EBCDIC
ASCII
CDC

  1. How big are ASCII's codewords today?
6 bits
8 bits
12 bits
32 bits

  1. If the ASCII code for L is 76, what would the ASCII code for M be?
75
77
can't tell

  1. How many bits would it take to encode "Canisius" in ASCII?
8
16
64

  1. If a code system had 6-bit codewords, how many symbols could it include?
36
64
128

  1. What character or sequence of characters does FORTRAN use for "less than"?
<
-lt
.LT.

  1. Which of the following is a non-printing character in ASCII?
NUL
BEL
EOT
all of them

  1. What do we call special characters that send messages to peripherals such as printers and modems?
terminal characters
control characters
non-printing characters

  1. Was there a reason why the designers of code systems such as ASCII and EBCDIC chose certain correspondences? For example, in ASCII, 'A' is 65.
no, no reason at all
yes, a very good reason
yes, but nobody remembers it

  1. What is odd about how EBCDIC matches up letters with code numbers?
it is so arbitrary
it is just like ASCII's matching
there are breaks in the sequences