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A computer can’t use initiative or apply judgment. It can’t adapt to the
unexpected and lacks the human touch.
02. How can computers be used for in healthcare?
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In healthcare computers can be used to hold patient records, in
ambulance control systems, to help in diagnosis and to help perform some
surgery.
03. When might a person be more appropriate than a computer in a commercial setting?
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A person would be more appropriate than a computer when judgement or
initiative is needed, or when an unexpected situation arises. Many people prefer
to have human contact rather than deal with impersonal computer systems.
04. List some uses of large-scale computer applications in government.
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In government computer systems are used to store public records: social
security records, vehicle registration details, criminal records, NHS records,
housing information, census records, tax records.
05. How would you ensure that your working environment was safe?
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You would make sure your workplace was safe by checking for: trailing or
insecure power leads or cables, worn or frayed power leads, overloaded power
points.
06. As an employee, what are your responsibilities towards your own safety in the workplace?
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An employee is responsible for making proper use of provisions and going
about their job in a responsible manner.
07. What precautions could you take to minimize the effect of your work on the environment?
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To protect the environment you could recycle waste paper, ink and toner
cartridges, use monitors with low power options and PCs with standby mode. You
could also save documents rather than print out hard copies.
08. What is meant by HASAW?
09. What is RSI? and How it happen?
RSI is repetitive strain injury. It happens when a user uses a computer long time in a difficult position.
10. Describe some Health and Safety precautions which should be taken when working with computers.
Check for: trailing or insecure power leads or cables, worn or frayed power leads, overloaded power points. Make sure your chair is at the correct angle for your back and your feet touch the floor, that your monitor screen is free from glare and you have regular breaks.
11. What common injuries might occur in such an environment?
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Some common injuries: back ache due to poor posture, RSI, finger aches,
Sholder aches, eye strain and trips or falls.
12. Describe a good working environment relevant to PC use.
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A good working environment would be well lit and ventilated, have glare
free VDUs, adjustable chairs and mouse mats provided. There would be provision
for breaks from the computer.
13. What do you understand by the term ergonomics?
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Ergonomics means the relationship between workers and their environment.
14. What two things can you do to save paper?
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To save paper you can recycle it and save files to disk rather than
print them.
15. How can you minimize the risk of data loss?
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You should regularly save to permanent storage and take backups in case
the computer crashes, there is a power failure, or some physical, permanent
damage to the computer. At least one set of backing store media should be kept
off site because of the risk of fire, theft or flood.
16. How can you minimize risks of data and Network security?
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Possible levels of password protection for networked files: a password
to access the PC, a user ID to access the network, a password to access the
directory or network server, a password to access the file, a password to amend
the file content.
17. What is a computer Virus?
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A computer virus is a malicious program intended to cause nuisance or
harm to other computer programs or files.
18. How can you reduce Virus threats?
install and regularly update anti-virus software, regularly scan the system scan removable disks before using them, be aware of where these disks came from save downloaded files to floppy or hard disk and scan before use be suspicious of e-mails from an unknown source, do not open anything suspicious before scanning it.
19. What is a single user license?
20. What are the advantages and disadvantages of shareware/freeware?
Either cheaper than major commercial packages or totally free. Disadvantages: shareware is either a not fully functioning version of the software, or will shut down after a trial period unless a fee is paid.
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Personal information, e.g. names, addresses, financial information, etc.
22. How personal data could be protected?
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The Data Protection Principles are conventions that must be followed by
all organisations keeping information.
23. What is Backup storage?
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Backup storage contains backed up material and is important because it
may be needed due to computer failure, damage, etc.
24. How unauthorized access to files can be prevented?
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Unauthorized access to files can be prevented by applying passwords to
every level of access.
25. Why you need to save your work time to time?
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In the event of a power cut any changes made to data and files since
they were last saved may be lost.
26. Why user IDs are used in networks?
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A user ID lets the system know that the user is entitled to access the
network and also which level of access is allowed. A password is a user’s
personal entry code to a computer, software or files.
27. What are access rights?
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Access rights are the different levels of access allowed by different
user IDs.
28. How do you mange security in your workplace?
Managing user ID/passwords; documenting the personnel responsible for each level of security; anti-virus measures specified by the security policy; penalties for breaching security policy; procedures for reporting security incidents; procedures for educating staff about their responsibilities relating to information security.
29. How can a virus enter your system?
A virus can enter a system through an e-mail attachment, floppy disk, CD or DVD, or the Internet.
30. What are virus types?
31. What is the different between a bug and a virus?
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A virus is a malicious piece of programming intended to cause harm, but
a bug is an error or fault in a piece of software code.
32. Why an anti-virus software should be regularly updated?
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Anti-virus software should be regularly updated because new viruses
appear every day.
33. Why Software copyright is important?
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Software copyright gives authors and developers of software the same
legal protection as authors of published, written and musical works.
34. What is Shareware?
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Shareware has a free trial period or a trial of a cut down version of
the program, before the fee is payable.
35. Why is it
illegal to use distribute
software?
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They are considered copyright protected and it is therefore illegal to
distribute it.
36. What is Data Protection Act means to data holders?
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For data holders, the Data Protection Act means they must ensure the
data is secure and disclosed only for legitimate purposes. They must only hold
relevant material and nothing more. The data must be accurate and up to date and
not held when it is no longer needed. The information must also be accessible to
the individual concerned.
37. Who is a typical user of a PDA?
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PDA is a
small device with internet access, is useful for a mobile worker like a
salesman.
38. Why an internal hard disk is faster than an external hard disk?
An internal hard is connected to the system internal bus hence directly accessible, external hard disk uses a peripheral to connect to the bus.
39. What is a WAN and how is it different to a LAN?
A wide area network (WAN) is a computer network that covers a broad area across metropolitan, regional, or national boundaries. WANs connect local area networks (LANs), campus area networks (CANs), or metropolitan area networks (MANs) which are usually limited to a room, building or specific area.
40. What is Unicode?
Unicode is industry standard for representing most of the world's writing systems in computers. The Unicode Standard done by the Unicode Consortium includes 107,000 characters covering 90 languages.
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