Answers

1. Computer systems are a combination of hardware, software and users. Return to question 1
2. The three hardware components include:
   1. Input devices: diskettes, CD-ROMs, magnetic tape, light pens, barcode readers, microphones, digital cameras, telephone lines, other communication lines (cable, etc.).
   2. Data storage devices: diskettes, CD-ROMs, magnetic tape, disk drives.
   3. Output devices: video monitors, printers, magnetic tape, diskettes, CD-ROMs, data communication lines, telephone lines, stereo speakers.
      
      Return to question 2
3. The two reasons why large organizations set up their own intranet are to get the convenience of the Internet with the performance and security of an in-house system. Return to question 3
4. A data analyst would find spreadsheets very useful because they automatically handle tabular data. Return to question 4
5. It is important that a systems analyst consult a systems user:
   1. to identify problems in the organization's system.
   2. to determine new system requirements.
   3. to design a new system that is practical, efficient, and cost effective, and that makes the best use of the available hardware and software.
      
      Return to question 5
      
6. In Britain, by Thomas Flowers. Return to question 6
7. An Abacus. Return to question 7
8. An internal 'Intranet' network is a microcosm of the Internet set up within a large enterprise to facilitate work. Intranets are more secure and reliable than the Internet and they have "firewalls" to prevent unwanted external access. Return to question 8