| Short
Course Higher Tier Answers (page 362) |
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1(a)
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(i)
(ii)
(iii)
(iv)
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Modem
or ISDN adapter.
Communications software; Software from an Internet Service Provider
(ISP); We browser.
Huge global market; Cheaper because no paper catalogues are
produced; Data capture is done by the customer so fewer staff
are needed; Company can have it's premises anywhere in the world
etc.
Computer crime (false sites or criminals obtaining their credit
card details). Expensive computer equipment is needed. Incur
telephone charges when browsing. There is a risk of downloading
a virus etc. |
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(b)
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Chat;
Electronic mail; Bulletin Board Services; News; Sport; On-line
shopping etc. |
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(c)
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By
displaying wanted posters of criminals. By asking for the public's
help to solve certain crimes. To enable people to give information
direct to the police using e-mail. To show photographs of missing
persons etc. |
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(d)
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(i)
(ii) |
Radio; TV; mobile phones; Teletext etc.
Hacking. People can intercept the signal. Not all parts of the
country can receive the signal. Signal can be interrupted by
electrical storms etc. |
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2(a)
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Water
and electricity are a lethal combination so the computer must
be away from any taps/sinks. Food and drink must not be brought
into the lab. |
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(b)
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Temperature.
pH. Moisture. Pressure etc. |
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3
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Illegal
copying of programs; Access to pornographic material on the
Internet; Transfer of personal data etc. |
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4
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Advantages:
Accurate stock ordering means the stores are less likely
to run out of essential items. Prices might be cheaper as some
of the savings prodcued by the system are passed onto the customer.
Using barcodes means that there are fewer queues at the tills.
Disadvantages: Shelf labels sometimes disagree with the
price charged at the till. Older people may not understand the
system. |
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5
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The software is used to produce a plan outline of the room.
Standard parts can then be added e.g windows, radiators etc.
You can also add pre-drawn shapes such as desks, tables, workstations
etc. You can move things around. You can view the room in 3D
from different angles. You can save and print your design. |
