Tag Archives: Arrangements

1. Computer Systems, Computing Higher

Computer software – Arrangements

  • Description of the function of a bootstrap loader
  • Description and exemplification of the main functions of a single user operating system :
    • interpreting users commands,
    • file management,
    • memory  management,
    • input/output management,
    • resource allocation,
    • managing processes
  • Definition of a utility  program
  • Description of utility  programs including:
    • virus checker
    • disk editor
    • defragmenter
  • Description of the standard file formats for graphics files:
    • jpeg
    • gif
    • TIFF
  • Description of  a suitable selection of software to support typical tasks including:
    • production of  a multimedia catalogue
    • setting up a LAN in a school
    • development of a school website
  • Description and exemplification of software compatibility  issues
    • including memory and storage requirements
    • OS compatibility
  • Classification of viruses by type of file infected:
    • file virus
    • boot  sector virus
    • macro virus
  • Description of  the following  virus code actions :
    • replication
    • camouflage
    • watching
    • delivery
  • Distinction between
    • a virus
    • a worm
    • a Trojan horse
  • Description of anti-virus software detection techniques:
    • use of checksum
    • searching for virus signature
    • heuristic detection
    • memory  resident monitoring