Homework – Software

  1. Describe the function of a bootstrap loader program. (1)
  2. Briefly describe the main purpose of each function of a single-user operating system (3)
  3. Describe the purpose of each of: –
    1. Virus checker (1)
    2. Disk defragmenter (1)
  4. Explain why there is a need for standard file formats. (1)
  5. Describe the differences between a JPEG and GIF graphic. (2)
  6. Describe the types of software that are required to produce a school web site and explain why you chose these types. (2)
  7. Identify the data objects and the operations that can be performed on them in the context of a spreadsheet program. (2)
  8. When selecting an Application package to perform a certain task the software compatibility needs to be addressed. Describe the checks that need to be made for each of memory requirements, storage requirements and operating systems. (3)
  9. Computer viruses are classed by three main types, file virus, boot sector virus and macro virus. For each type describe how the virus is delivered and how it operates. (3)
  10. Describe the anti-virus technique of heuristic detection. (1)
Total Marks 20