Computing A2 Cards 0.0 / 5 ? ComputingAll topicsA2/A-levelWJEC Created by: mrkhanCreated on: 18-05-16 10:10 What is meant by standardised computer languages? Undo/Back button are an example of a stack use in computers. name two others. 1 of 12 Why is disaster planning important? Describe the disadvanatge of compiling a whole program in one operation 2 of 12 Explain the Token Ring Network including how machines communicate with one another. What is meant by the term CLASS and METHOD in object oriented languages? 3 of 12 Describe one advantage of storing numbers in floating point form Describe 2 advantages of storing numbers in integer form 4 of 12 What is the purpose of Hexdecimal? What is meant by Character representation and why is it needed? 5 of 12 What should a disaster plan include to aid organisations to recover from a disaster? What is archiving? 6 of 12 Explain the Shift functions Why is archiving necessary? 7 of 12 Describe a situation where Direct Random Access Method would be suitable to use Describe a situation where Indexed Sequential Access Method would be suitable to use 8 of 12 Describe how Encryption and Decryption works Why are critical systems a highly specilised field? 9 of 12 Explain what is meant by a Distributed Database and include one advantage of this approach Describe how design validation should be carried out 10 of 12 Name the 3 Algorithm Design Methods Explain how multiprogramming systems work 11 of 12 Describe the functions of a router By using an example explain why protocols are neccessary in computer networks 12 of 12
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