Unit 7 Text A

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Unit 7 Text A

• OOD/OOP

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Comprehension Questions

• 1. Why are all programming languages
  theoretically equivalent?
• 2. What is the strongpoint of Assembler from
  machine code?
• 3. Which two problems have been effectivly dealt
  with after the advent of (HLLs) the high-level
  languages?

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Comprehension Questions

• 4. What is the disadvantage of Top-Down design
  methodology?
• 5. Must OOD be tied to a specific language?
• 6. How do we compare C with Assembler according
  to the author?

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1. Why are all programming languages
theoretically equivalent?

• Because they all must be translated to machine
  code beforre being executed.
• ?????????????????????

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2. What is the strongpoint of Assembler from
machine code?

• Assembler automates the tedium of working out
  op-codes and relative branch addresses in a
  program.
• ??????????????????????????????

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3. Which two problems have been effectivly dealt
with after the advent of (HLLs) the high-level
languages?

• The first problem is using these languages the
  programmer may largely ignore the details of the
  particular computer upon which her program runs.
  The second problem is the management and
  organization of code.
• ??????????????????????????????????????????????????
  ??????????

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4. What is the disadvantage of Top-Down design
methodology?

• The mothodology does not encourage Software
  Re-use.
• ?????????????????

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5. Must OOD be tied to a specific language?

• No, it is possible (and good coding practice) to
  write ADTs in any language.
• OOD ????????????,??????????????????(?????????)?

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6. How do we compare C with Assembler according
to the author?

• Assembler is very difficult while C is
  excellent for ADTS.
• ??????,?C?ADTs???????

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